WorldWideScience

Sample records for subject matter science

  1. Prospective Science Teachers' Subject-Matter Knowledge about Overflow Container

    Science.gov (United States)

    Ültay, Eser

    2016-01-01

    The purpose of this study was to determine prospective science teachers' subject-matter knowledge (SMK) about overflow container. This study was carried out in the form of a case study in spring term of the academic year of 2013-2014 with seven sophomore prospective science teachers who were studying at Elementary Science Teaching Department in…

  2. Do Subject Matter Knowledge, and Pedagogical Content Knowledge Constitute the Ideal Gas Law of Science Teaching?

    Science.gov (United States)

    Lederman, Norman G.; Gess-Newsome, Julie

    1992-01-01

    Describes Pedagogical Content Knowledge and focuses on the empirical research directly concerned with the relationship between science teachers' subject matter knowledge or structures and actual classroom practice. Concludes there is little evidence that a relationship exists. (PR)

  3. The role of subject-matter analysis in science didactics

    DEFF Research Database (Denmark)

    Chaiklin, Seth

    Cultural-historical theory is primarily a psychological theory about and human action and development within meaningful contexts. As a psychologically-oriented theory, it can be relevant to science education research, even if it was not been developed or elaborated specifically in relation...... to problems within science education. STEM education research can be reduced (roughly) to four major problem areas: curriculum, empirical evaluation of existing practices and conditions, didactics, and professional development, where each of these categories can be concretised further according to grade...... paper is primarily on the didactics category, and slightly on the professional development category. The purpose of this paper is to outline three significant points that have been developed within the cultural-historical tradition that have consequences for these two categories: (a) the relation...

  4. NASA’s Universe of Learning: Engaging Subject Matter Experts to Support Museum Alliance Science Briefings

    Science.gov (United States)

    Marcucci, Emma; Slivinski, Carolyn; Lawton, Brandon L.; Smith, Denise A.; Squires, Gordon K.; Biferno, Anya A.; Lestition, Kathleen; Cominsky, Lynn R.; Lee, Janice C.; Rivera, Thalia; Walker, Allyson; Spisak, Marilyn

    2018-06-01

    NASA's Universe of Learning creates and delivers science-driven, audience-driven resources and experiences designed to engage and immerse learners of all ages and backgrounds in exploring the universe for themselves. The project is a unique partnership between the Space Telescope Science Institute, Caltech/IPAC, Jet Propulsion Laboratory, Smithsonian Astrophysical Observatory, and Sonoma State University and is part of the NASA SMD Science Activation Collective. The NASA’s Universe of Learning projects pull on the expertise of subject matter experts (scientist and engineers) from across the broad range of NASA Astrophysics themes and missions. One such project, which draws strongly on the expertise of the community, is the NASA’s Universe of Learning Science Briefings, which is done in collaboration with the NASA Museum Alliance. This collaboration presents a monthly hour-long discussion on relevant NASA astrophysics topics or events to an audience composed largely of informal educators from informal learning environments. These professional learning opportunities use experts and resources within the astronomical community to support increased interest and engagement of the informal learning community in NASA Astrophysics-related concepts and events. Briefings are designed to create a foundation for this audience using (1) broad science themes, (2) special events, or (3) breaking science news. The NASA’s Universe of Learning team engages subject matter experts to be speakers and present their science at these briefings to provide a direct connection to NASA Astrophysics science and provide the audience an opportunity to interact directly with scientists and engineers involved in NASA missions. To maximize the usefulness of the Museum Alliance Science Briefings, each briefing highlights resources related to the science theme to support informal educators in incorporating science content into their venues and/or interactions with the public. During this

  5. Academic Studies, Science, and Democracy: Conceptions of Subject Matter from Harris to Thorndike

    Science.gov (United States)

    Watras, Joseph

    2009-01-01

    When Ellen Condliffe Lagemann described what she called the troubling history of education research, she claimed that, in the early years of the twentieth century, Edward Lee Thorndike's narrow model of science replaced John Dewey's more open ideas. According to Lagemann, sexism was an important reason for Thorndike's triumph. In describing the…

  6. The Effect of 7E Learning Model on Conceptual Understandings of Prospective Science Teachers on "de Broglie Matter Waves" Subject

    Science.gov (United States)

    Gorecek Baybars, Meryem; Kucukozer, Huseyin

    2018-01-01

    The object of this study is to determine the conceptual understanding that prospective Science teachers have relating "de Broglie: Matter waves" and to investigate the effect of the instruction performed, on the conceptual understanding. This study was performed at a state university located in the western part of Turkey, with the…

  7. Exploring the Relationship between Secondary Science Teachers' Subject Matter Knowledge and Knowledge of Student Conceptions While Teaching Evolution by Natural Selection

    Science.gov (United States)

    Lucero, Margaret M.; Petrosino, Anthony J.; Delgado, Cesar

    2017-01-01

    The fundamental scientific concept of evolution occurring by natural selection is home to many deeply held alternative conceptions and considered difficult to teach. Science teachers' subject matter knowledge (SMK) and the pedagogical content knowledge (PCK) component of knowledge of students' conceptions (KOSC) can be valuable resources for…

  8. A Case Study of Beginning Science Teachers' Subject Matter (SMK) and Pedagogical Content Knowledge (PCK) of Teaching Chemical Reaction in Turkey

    Science.gov (United States)

    Usak, Muhammet; Ozden, Mustafa; Eilks, Ingo

    2011-01-01

    This paper describes a case study focusing on the subject matter knowledge, pedagogical content knowledge, and beliefs about science teaching of student teachers in Turkey at the start of their university education. The topic of interest was that of teaching chemical reactions in secondary chemistry education. A written test was developed which…

  9. Changes in Dictionary Subject Matter

    DEFF Research Database (Denmark)

    Nielsen, Sandro

    2003-01-01

    The general content of the three editions of the Duden dictionary has undergone few changes. The most substantial changes are the addition of syllabification and the deletion of antonomy in respect of lemmata in the second and third editions. The concept of dictionary subject matter is questioned......, and it is argued that it is more appropriate to consider how the relationships between the classes of items interact with the function of the dictionary....

  10. The Effect of 7E Learning Model on Conceptual Understandings of Prospective Science Teachers on 'de Broglie Matter Waves' Subject

    Directory of Open Access Journals (Sweden)

    Meryem Gorecek Baybars

    2018-04-01

    Full Text Available The object of this study is to determine the conceptual understanding that prospective Science teachers have relating "de Broglie: Matter waves" and to investigate the effect of the instruction performed, on the conceptual understanding. This study was performed at a state university located in the western part of Turkey, with the Faculty of Education-Science Teaching students (2nd year / 48 individual in the academic year of 2010-2011. The study was planned as a single group pretest-posttest design. A two-step question was used in the study, prior to and after the instruction. Lessons were conducted using the 7E learning model in the instruction process. When all these results are evaluated, it can be said that the conceptual understanding of the prospective teachers regarding "de Broglie; matter waves" has been taken place. In general, when all the sections are examined, it has been observed that the prospective teachers have more alternative concepts prior to the instruction and more scientific concepts after the instruction. In this process, besides instruction, the prospective teachers have not taken any place in a different application regarding the basic concepts of quantum physics. Therefore, it has been determined that the 7E learning model used in the research and the activities included in the 7E learning model are effective in conceptual understanding.

  11. students' perception of teacher's knowledge of subject matter

    African Journals Online (AJOL)

    ALEXANDER E. TIMOTHY

    COPYRIGHT© BACHUDO SCIENCE CO. ... students' perception of teachers' knowledge of subject matter as perceived by students on reading ... percent and above in English language (WAEC,. 2007). ... to the learners. ... mathematics.

  12. A tale of three blind men on the proper subject matter of clinical science and practice: commentary on Plaud's behaviorism vs. Ilardi and Feldman's cognitive neuroscience.

    Science.gov (United States)

    Forsyth, J P; Kelly, M M

    2001-09-01

    Plaud (J Clin Psychol 57, 1089-1102, 1109-1111, 1119-1120) and Ilardi and Feldman (J Clin Psychol 57, 1067-1088, 1103-1107, 1113-1117, 1121-1124) argue for two very different approaches to clinical science and practice (i.e., behavior analysis and cognitive neuroscience, respectively). We comment on the assets and liabilities of both perspectives as presented and attempt to achieve some semblance of balance between the three protagonists embroiled in this current debate. The vision of clinical science we articulate is more ecumenical and evolutionary, rather than paradigmatic and revolutionary. As we see it, the problem clinical psychology faces is much larger than the authors let on; namely, how best to make clinical science meaningful and relevant to practitioners, consumers, the general public, and the behavioral health-care community. Clinical psychology's immediate internal problem is not pluralism with regard to subject matter, worldview, methodology, or school of thought, but pluralism in clinical psychologists' adherence to a scientific epistemology as the only legitimate form of clinical psychology. On this latter point, we still have a very long way to go. Copyright 2001 John Wiley & Sons, Inc.

  13. Subjective or objective? What matters?

    Czech Academy of Sciences Publication Activity Database

    Sunega, Petr

    2014-01-01

    Roč. 1, č. 1 (2014), s. 35-43 ISSN 2336-2839 R&D Projects: GA ČR(CZ) GAP404/12/1446 Institutional support: RVO:68378025 Keywords : comparative housing policy * globalisation Subject RIV: AO - Sociology, Demography

  14. Conditioning audience patronage using subject matters in ...

    African Journals Online (AJOL)

    Conditioning audience patronage using subject matters in Nollywood films: the example of 30 days in Atlanta. ... Abstract. Films are subject-based and when producers set out to communicate their viewpoints, some do it flamboyantly while others take the subtle path. Unlike live theatre before it, the possibility of a virile spiral ...

  15. Condensed Matter Nuclear Science

    Science.gov (United States)

    Biberian, Jean-Paul

    2006-02-01

    into characteristics of X-ray emission laser beams from solidstate cathode medium of high-current glow discharge / A. B. Karabut. Charged particles from Ti and Pd foils / L. Kowalski ... [et al.]. Cr-39 track detectors in cold fusion experiments: review and perspectives / A. S. Roussetski. Energetic particle shower in the vapor from electrolysis / R. A. Oriani and J. C. Fisher. Nuclear reactions produced in an operating electrolysis cell / R. A. Oriani and J. C. Fisher. Evidence of microscopic ball lightning in cold fusion experiments / E. H. Lewis. Neutron emission from D[symbol] gas in magnetic fields under low temperature / T. Mizuno ... [et al.]. Energetic charged particle emission from hydrogen-loaded Pd and Ti cathodes and its enhancement by He-4 implantation / A. G. Lipson ... [et al.]. H-D permeation. Observation of nuclear transmutation reactions induced by D[symbol] gas permeation through Pd complexes / Y. Iwamura ... [et al.]. Deuterium (hydrogen) flux permeating through palladium and condensed matter nuclear science / Q. M. Wei ... [et al.]. Triggering. Precursors and the fusion reactions in polarized Pd/D-D[symbol]O system: effect of an external electric field / S. Szpak, P. A. Mosier-Boss, and F. E. Gordon. Calorimetric and neutron diagnostics of liquids during laser irradiation / Yu. N. Bazhutov ... [et al.]. Anomalous neutron capture and plastic deformation of Cu and Pd cathodes during electrolysis in a weak thermalized neutron field: evidence of nuclei-lattice exchange / A. G. Lipson and G. H. Miley. H-D loading. An overview of experimental studies on H/Pd over-loading with thin Pd wires and different electrolytic solutions / A. Spallone ... [et al.] -- 3. Transmutations. Photon and particle emission, heat production, and surface transformation in Ni-H system / E. Campari ... [et al.]. Surface analysis of hydrogen-loaded nickel alloys / E. Campari ... [et al.]. Low-energy nuclear reactions and the leptonic monopole / G. Lochak and L. Urutskoev. Results

  16. Influence of subject matter discipline and science content knowledge on National Board Certified science teachers' conceptions, enactment, and goals for inquiry

    Science.gov (United States)

    Breslyn, Wayne Gene

    The present study investigated differences in the continuing development of National Board Certified Science Teachers' (NBCSTs) conceptions of inquiry across the disciplines of biology, chemistry, earth science, and physics. The central research question of the study was, "How does a NBCST's science discipline (biology, chemistry, earth science, or physics) influence their conceptions, enactment, and goals for inquiry-based teaching and learning?" A mixed methods approach was used that included an analysis of the National Board portfolio entry, Active Scientific Inquiry, for participants (n=48) achieving certification in the 2007 cohort. The portfolio entry provided detailed documentation of teachers' goals and enactment of an inquiry lesson taught in their classroom. Based on the results from portfolio analysis, participant interviews were conducted with science teachers (n=12) from the 2008 NBCST cohort who represented the science disciplines of biology, chemistry, earth science, and physics. The interviews provided a broader range of contexts to explore teachers' conceptions, enactment, and goals of inquiry. Other factors studied were disciplinary differences in NBCSTs' views of the nature of science, the relation between their science content knowledge and use of inquiry, and changes in their conceptions of inquiry as result of the NB certification process. Findings, based on a situated cognitive framework, suggested that differences exist between biology, chemistry, and earth science teachers' conceptions, enactment, and goals for inquiry. Further, individuals teaching in more than one discipline often held different conceptions of inquiry depending on the discipline in which they were teaching. Implications for the research community include being aware of disciplinary differences in studies on inquiry and exercising caution in generalizing findings across disciplines. In addition, teachers who teach in more than one discipline can highlight the contextual

  17. Subject Matter Expert Workshop to Identify Cybersecurity ...

    Science.gov (United States)

    Report In recognition of the growing need to better address cyber risk and cyber management, the U.S. Environmental Protection Agency’s (EPA) National Homeland Security Research Center (NHSRC) held a Subject Matter Expert Workshop to Identify Cybersecurity Research Gaps and Needs of the Nation’s Water and Wastewater Systems Sector on March 30th and 31st, 2016, at the Ronald Reagan Building in Washington, D.C. The workshop was designed to create a forum for subject matter experts (SMEs) to exchange ideas and address important cybersecurity challenges facing the water sector.

  18. Social science that matters

    DEFF Research Database (Denmark)

    Flyvbjerg, Bent

    2006-01-01

    Social science is headed down a dead end toward mere scientism, becoming a second-rate version of the hard sciences. We neeed to recognise and support a different kind of social science research - and so should those who demand accountability from researchers. This paper asks what kind of social...... science we - scholars, policy makers, administrators - should and should not promote in democratic societies, and how we may hold social scientists accountable to deliver what we ask them for....

  19. Science Matters Special Edition: Wildland Fire Science

    Science.gov (United States)

    EPA is applying its extensive expertise in air quality science to the study of wildland fires to help states and communities that are impacted. This issue of Science Matters newsletter highlights some of the research projects under way by EPA and partners.

  20. Does science matter?

    CERN Multimedia

    Broad, W J

    2003-01-01

    "...there are new troubles in the peculiar form of paradise that science has created, as well as new questions about whether it has the popular support to meet the future challenges of disease, pollution, security, energy, education, food, water and urban sprawl" (1 page).

  1. Primary teachers' subject matter knowledge: decimals

    Science.gov (United States)

    Ubuz, Behiye; Yayan, Betül

    2010-09-01

    The main objective of this study was to investigate primary teachers' subject matter knowledge in the domain of decimals and more elaborately to investigate their performance and difficulties in reading scale, ordering numbers, finding the nearest decimal and doing operations, such as addition and subtraction. The difficulties in these particular areas are analysed and suggestions are made regarding their causes. Further, factors that influence this knowledge were explored. The sample of the study was 63 primary teachers. A decimal concepts test including 18 tasks was administered and the total scores for the 63 primary teachers ranged from 3 to 18 with a mean and median of 12. Fifty per cent of the teachers were above the mean score. The detailed investigation of the responses revealed that the primary teachers faced similar difficulties that students and pre-service teachers faced. Discrepancy on teachers' knowledge revealed important differences based on educational level attained, but not the number of years of teaching experience and experience in teaching decimals. Some suggestions have been made regarding the implications for pre- and in-service teacher training.

  2. PCK: How Teachers Transform Subject Matter Knowledge.

    Science.gov (United States)

    Veal, William R.; van Driel, Jan; Hulshof, Hans

    2001-01-01

    Review of book on the concept of pedagogical content knowledge (PCK), including chapters reviewing an extensive body of research on the knowledge base for teaching, especially science, and the application of PCK to the design of elementary and secondary school science teacher-education programs. (PKP)

  3. A Subject Matter Expert View of Curriculum Development.

    Science.gov (United States)

    Milazzo, M. P.; Anderson, R. B.; Edgar, L. A.; Gaither, T. A.; Vaughan, R. G.

    2017-12-01

    In 2015, NASA selected for funding the PLANETS project: Planetary Learning that Advances the Nexus of Engineering, Technology, and Science. The PLANETS partnership develops planetary science and engineering curricula for out of classroom time (OST) education settings. This partnership is between planetary science Subject Matter Experts (SMEs) at the US Geological Survey (USGS), curriculum developers at the Boston Museum of Science (MOS) Engineering is Everywhere (EiE), science and engineering teacher professional development experts at Northern Arizona University (NAU) Center for Science Teaching and Learning (CSTL), and OST teacher networks across the world. For the 2016 and 2017 Fiscal Years, our focus was on creating science material for two OST modules designed for middle school students. We have begun development of a third module for elementary school students. The first model teaches about the science and engineering of the availability of water in the Solar System, finding accessible water, evaluating it for quality, treating it for impurities, initial use, a cycle of greywater treatment and re-use, and final treatment of blackwater. This module is described in more detail in the abstract by L. Edgar et al., Water in the Solar System: The Development of Science Education Curriculum Focused on Planetary Exploration (233008) The second module involves the science and engineering of remote sensing in planetary exploration. This includes discussion and activities related to the electromagnetic spectrum, spectroscopy and various remote sensing systems and techniques. In these activities and discussions, we include observation and measurement techniques and tools as well as collection and use of specific data of interest to scientists. This module is described in more detail in the abstract by R. Anderson et al., Remote Sensing Mars Landing Sites: An Out-of-School Time Planetary Science Education Activity for Middle School Students (232683) The third module

  4. Proceedings (Mathematical Sciences) SUBJECT INDEX

    Indian Academy of Sciences (India)

    R. Narasimhan (Krishtel eMaging) 1461 1996 Oct 15 13:05:22

    SUBJECT INDEX. Abel's summation formula. Analogues of Euler and Poisson summa- tion formulae. 213 ... theorems of Wiener and Lévy on absolutely convergent Fourier series. 179. Brownian motion. Probabilistic representations of solutions to the heat equation. 321. Cesáro matrix. Necessary and sufficient conditions for.

  5. Concepts of matter in science education

    CERN Document Server

    Sevian, Hannah

    2013-01-01

    Bringing together a wide collection of ideas, reviews, analyses and new research on particulate and structural concepts of matter, Concepts of Matter in Science Education informs practice from pre-school through graduate school learning and teaching and aims to inspire progress in science education. The expert contributors offer a range of reviews and critical analyses of related literature and in-depth analysis of specific issues, as well as new research. Among the themes covered are learning progressions for teaching a particle model of matter, the mental models of both students and teachers of the particulate nature of matter, educational technology, chemical reactions and chemical phenomena, chemical structure and bonding, quantum chemistry and the history and philosophy of science relating to the particulate nature of matter. The book will benefit a wide audience including classroom practitioners and student teachers at every educational level, teacher educators and researchers in science education.

  6. Using Academic Journals to Help Students Learn Subject Matter Content, Develop and Practice Critical Reasoning Skills, and Reflect on Personal Values in Food Science and Human Nutrition Classes

    Science.gov (United States)

    Iwaoka, Wayne T.; Crosetti, Lea M.

    2008-01-01

    It has been reported that students learn best when they use a wide variety of techniques to understand the information of the discipline, be it visual, auditory, discussion with others, metacognition, hands-on activities, or writing about the subject. We report in this article the use of academic journals not only as an aid for students to learn…

  7. What matters to women in science? Gender, power and bureaucracy

    Czech Academy of Sciences Publication Activity Database

    Linková, Marcela; Červinková, Alice

    2011-01-01

    Roč. 18, č. 3 (2011), s. 215-230 ISSN 1350-5068 R&D Projects: GA MŠk OK08007 Institutional research plan: CEZ:AV0Z70280505 Keywords : gender * science policy * modes of mattering Subject RIV: AO - Sociology, Demography Impact factor: 0.216, year: 2011

  8. Cortex Parcellation Associated Whole White Matter Parcellation in Individual Subjects

    Directory of Open Access Journals (Sweden)

    Patrick Schiffler

    2017-07-01

    Full Text Available The investigation of specific white matter areas is a growing field in neurological research and is typically achieved through the use of atlases. However, the definition of anatomically based regions remains challenging for the white matter and thus hinders region-specific analysis in individual subjects. In this article, we focus on creating a whole white matter parcellation method for individual subjects where these areas can be associated to cortex regions. This is done by combining cortex parcellation and fiber tracking data. By tracking fibers out of each cortex region and labeling the fibers according to their origin, we populate a candidate image. We then derive the white matter parcellation by classifying each white matter voxel according to the distribution of labels in the corresponding voxel from the candidate image. The parcellation of the white matter with the presented method is highly reliable and is not as dependent on registration as with white matter atlases. This method allows for the parcellation of the whole white matter into individual cortex region associated areas and, therefore, associates white matter alterations to cortex regions. In addition, we compare the results from the presented method to existing atlases. The areas generated by the presented method are not as sharply defined as the areas in most existing atlases; however, they are computed directly in the DWI space of the subject and, therefore, do not suffer from distortion caused by registration. The presented approach might be a promising tool for clinical and basic research to investigate modalities or system specific micro structural alterations of white matter areas in a quantitative manner.

  9. Science Is A Laughing Matter

    Science.gov (United States)

    Weissman, P. R.

    2017-12-01

    Humor can be a powerful tool in communicating science to a professional or lay audience. Humor relaxes the audience and encourages them to pay better attention, lest they miss the next funny comment or slide (and be sure that you provide it for them). Humor sends the message that the speaker is so confident in his/her material that the speaker can joke about it; this tends to deter spurious or trivial questions after the talk. But humor is not for the faint of heart. It requires planning, practice, and especially, good timing. Good humorists are always on the lookout for new material that they can use in a talk, be it a funny image, a cartoon, or a quip from a movie or from a professional comedian. But the humorist must also be a strict self-censor. Politically incorrect material can be extremely dangerous and can backfire on the speaker. Don't ever use material that insults some faction in the audience, even if that faction is not present at the moment or too stupid to notice. Don't include so much humor that the science in your talk gets lost in the laughter. Lastly, speakers who are not funny, should never attempt humor. There is nothing so damaging to a talk as poor humor that falls flat on its face. But if you have a good sense of humor, go for it. Life should be fun and so should science.

  10. 22 CFR 61.6 - Consultation with subject matter specialists.

    Science.gov (United States)

    2010-04-01

    ... FREE FLOW OF AUDIO-VISUAL MATERIALS § 61.6 Consultation with subject matter specialists. (a) The... assisting the Department in its determination of whether materials for which export certification or import authentication is sought contain widespread and gross misstatements of fact. (b) As necessary, the Department may...

  11. Does tutor subject-matter expertise influence student achievement in ...

    African Journals Online (AJOL)

    Objective. To establish whether or not tutor subject-matter expertise influences student achievement in content-based examinations in the problem-based learning (PBL) curriculum at the University of Transkei (UNITRA) Medical School. Design. A retrospective study of MB ChB III student achievement in end-of-block ...

  12. 12 CFR 791.6 - Subject matter of a meeting.

    Science.gov (United States)

    2010-01-01

    ....6 Banks and Banking NATIONAL CREDIT UNION ADMINISTRATION REGULATIONS AFFECTING THE OPERATIONS OF THE... REGULATIONS; PUBLIC OBSERVATION OF NCUA BOARD MEETINGS Rules of NCUA Board Procedure § 791.6 Subject matter of... all Office Directors and President of the Central Liquidity Facility), and Regional Directors. [61 FR...

  13. Teachers mathematical communication profile in explaining subject matter

    Science.gov (United States)

    Umami, Rohmatul; Budayasa, I. Ketut; Suwarsono, St.

    2017-12-01

    This study aimed to see a teachers mathematical communication profile in explaining a subject matter. It is a qualitative research. A high-school junior teacher (i.e., a teacher with 1- to 5-year experience) teaching mathematics at X-Social Class was selected as the subject of this study. The data was collected by observing the teachers mathematical communication in explaining a given material (i.e., the rule of sine) in class and an in-depth interview would be organized respectively. The result showed that the junior teacher explained the subject matter in systematic, complete, fluent, and centered manner. In this case, she began with reminding students on the previous material related to the current material to be learned, informing the current learning objectives, and finally delivering the subject matter. To support her explanation, the teacher also provided some related information, led the students attention into the given material by asking them particular related questions, and did not use any confusing terms. However, the study found that some of high-school teachers still used less appropriate language in explaining materials.

  14. The Knowledge Base of Subject Matter Experts in Teaching: A Case Study of a Professional Scientist as a Beginning Teacher

    Science.gov (United States)

    Diezmann, Carmel M.; Watters, James J.

    2015-01-01

    One method of addressing the shortage of science and mathematics teachers is to train scientists and other science-related professionals to become teachers. Advocates argue that as discipline experts these career changers can relate the subject matter knowledge to various contexts and applications in teaching. In this paper, through interviews and…

  15. Distinguishing medication-free subjects with unipolar disorder from subjects with bipolar disorder: state matters.

    Science.gov (United States)

    Rive, Maria M; Redlich, Ronny; Schmaal, Lianne; Marquand, André F; Dannlowski, Udo; Grotegerd, Dominik; Veltman, Dick J; Schene, Aart H; Ruhé, Henricus G

    2016-11-01

    Recent studies have indicated that pattern recognition techniques of functional magnetic resonance imaging (fMRI) data for individual classification may be valuable for distinguishing between major depressive disorder (MDD) and bipolar disorder (BD). Importantly, medication may have affected previous classification results as subjects with MDD and BD use different classes of medication. Furthermore, almost all studies have investigated only depressed subjects. Therefore, we focused on medication-free subjects. We additionally investigated whether classification would be mood state independent by including depressed and remitted subjects alike. We applied Gaussian process classifiers to investigate the discriminatory power of structural MRI (gray matter volumes of emotion regulation areas) and resting-state fMRI (resting-state networks implicated in mood disorders: default mode network [DMN], salience network [SN], and lateralized frontoparietal networks [FPNs]) in depressed (n=42) and remitted (n=49) medication-free subjects with MDD and BD. Depressed subjects with MDD and BD could be classified based on the gray matter volumes of emotion regulation areas as well as DMN functional connectivity with 69.1% prediction accuracy. Prediction accuracy using the FPNs and SN did not exceed chance level. It was not possible to discriminate between remitted subjects with MDD and BD. For the first time, we showed that medication-free subjects with MDD and BD can be differentiated based on structural MRI as well as resting-state functional connectivity. Importantly, the results indicated that research concerning diagnostic neuroimaging tools distinguishing between MDD and BD should consider mood state as only depressed subjects with MDD and BD could be correctly classified. Future studies, in larger samples are needed to investigate whether the results can be generalized to medication-naïve or first-episode subjects. © 2016 John Wiley & Sons A/S. Published by John Wiley

  16. The interrelationship between subject matter and school gardens

    DEFF Research Database (Denmark)

    Christensen, Jacob Højgaard; Wistoft, Karen

    2018-01-01

    This article maps out existing research regarding the effectiveness of integrated teaching in school gardens, i.e. including the math, languages and science subjects with their related objectives and curricula in school garden teaching and vice versa. The article is based on a literature review...... that concludes that school gardens have a predominantly positive influence on students’ learning outcome. However, there are a few school garden programmes that have the same or even a less beneficial influence on students’ learning outcome than traditional teaching. Thus, school gardens do not have...... an unequivocally positive academic learning effect. The review extracts and discusses some of the factors that are consistently emphasized in the research literature as central to ensuring successful subject integration in school gardens. Taking these as a point of departure, it is concluded that developing...

  17. Influence of tutors' subject-matter expertise on student effort and achievement in problem-based learning

    NARCIS (Netherlands)

    H.G. Schmidt (Henk); A. van der Arend (Arie); J.H.C. Moust (Jos); I. Kokx (Irma); L. Boon (Louis)

    1993-01-01

    textabstractPurpose. To investigate the effects of tutors' subject-matter expertise on students' levels of academic achievement and study effort in a problem-based health sciences curriculum. Also, to study differences in turors' behaviors and the influences of these differences on students'

  18. On the almost inconceivable misunderstandings concerning the subject of value-free social science.

    Science.gov (United States)

    Black, Donald

    2013-12-01

    A value judgment says what is good or bad, and value-free social science simply means social science free of value judgments. Yet many sociologists regard value-free social science as undesirable or impossible and readily make value judgments in the name of sociology. Often they display confusion about such matters as the meaning of value-free social science, value judgments internal and external to social science, value judgments as a subject of social science, the relevance of objectivity for value-free social science, and the difference between the human significance of social science and value-free social science. But why so many sociologists are so value-involved - and generally so unscientific - is sociologically understandable: The closest and most distant subjects attract the least scientific ideas. And during the past century sociologists have become increasingly close to their human subject. The debate about value-free social science is also part of an epistemological counterrevolution of humanists (including many sociologists) against the more scientific social scientists who invaded and threatened to expropriate the human subject during the past century. © London School of Economics and Political Science 2013.

  19. On indexes and subject matter of “global competitiveness”

    Directory of Open Access Journals (Sweden)

    A. V. Korotkov

    2017-01-01

    Full Text Available The aim of the research is to analyze the subject matter of a country’s competitiveness and to characterize statistical indexes of competitiveness known in the international practice from the perspective of a more elaborated theory of market competition. This aim follows from the identified problems. First, there are no generally accepted interpretation and joint understanding of competition and competitiveness at country level. Even the international organizations giving estimations of global competitiveness disagree on definitions of competitiveness. Secondly, there is no relation to the theory of market competition in the available source materials on competitiveness of the country without original methodology. Thirdly, well-known statistical indexes of global competitiveness do not have enough theoretical justification and differ in sets of factors. All this highlights the incompleteness of the methodology and methodological support of studying competitiveness at country level.Materials and methods. The research is based on the methodology of statistics, economic theory and marketing. The authors followed the basic principle of statistical methodology – requirement of continuous combination of qualitative and quantitative analysis, when the research begins and ends with qualitative analysis. A most important section of statistical methodology is widely used – construction of statistical indexes. In the course of the analysis, a method of statistical classifications is applied. A significant role in the present research is given to the method of generalizing and analogue method, realizing that related terms should mean similar and almost similar contents. Modeling of competition and competitiveness is widely used in the present research, which made it possible to develop a logical model of competition following from the competition theory.Results. Based on the definitions’ survey the analysis of the subject matter of global

  20. Transforming the Subject Matter: Examining the Intellectual Roots of Pedagogical Content Knowledge

    Science.gov (United States)

    Deng, Zongyi

    2007-01-01

    This article questions the basic assumptions of pedagogical content knowledge by analyzing the ideas of Jerome Bruner, Joseph Schwab, and John Dewey concerning transforming the subject matter. It argues that transforming the subject matter is not only a pedagogical but also a complex curricular task in terms of developing a school subject or a…

  1. Science That Matters: Exploring Science Learning and Teaching in Primary Schools

    Science.gov (United States)

    Fitzgerald, Angela; Smith, Kathy

    2016-01-01

    To help support primary school students to better understand why science matters, teachers must first be supported to teach science in ways that matter. In moving to this point, this paper identifies the dilemmas and tensions primary school teachers face in the teaching of science. The balance is then readdressed through a research-based…

  2. Does the Truth Matter in Science?

    Science.gov (United States)

    Lipton, Peter

    2005-01-01

    Is science in the truth business, discovering ever more about an independent and largely unobservable world? Karl Popper and Thomas Kuhn, two of the most important figures in science studies in the 20th century, gave accounts of science that are in some tension with the truth view. Their central claims about science are considered here, along with…

  3. SCIENCE WHERE CULTURE MATTERS: A NEO-CLASSICAL ...

    Indian Academy of Sciences (India)

    SCIENCE WHERE CULTURE MATTERS: A NEO-CLASSICAL APPROACH TO EXPLORE UNTAPPED BACTERIAL DIVERSITY. MILIND WATVE; Dept of Microbiology, Abasaheb Garware College, Pune. www.culturematters.org; * Life Research Foundation, Pune; * Evolvus Biotech Pvt. Ltd.,Pune ...

  4. What's the matter with Antimatter? Exhibition Science Bringing Nations Together

    CERN Multimedia

    2000-01-01

    Antimatter may be the stuff of science fiction, but to physicists it poses a serious question. Why is there not more of it around? At the Big Bang, matter and antimatter should have been created in equal amounts, yet today we seem to live in a Universe entirely made of matter. So where has all the antimatter gone?

  5. Planetary Exploration Education: As Seen From the Point of View of Subject Matter Experts

    Science.gov (United States)

    Milazzo, M. P.; Anderson, R. B.; Gaither, T. A.; Vaughan, R. G.

    2016-12-01

    Planetary Learning that Advances the Nexus of Engineering, Technology, and Science (PLANETS) was selected as one of 27 new projects to support the NASA Science Mission Directorate's Science Education Cooperative Agreement Notice. Our goal is to develop and disseminate out-of-school time (OST) curricular and related educator professional development modules that integrate planetary science, technology, and engineering. We are a partnership between planetary science Subject Matter Experts (SMEs), curriculum developers, science and engineering teacher professional development experts and OST teacher networks. The PLANETS team includes the Center for Science Teaching and Learning (CSTL) at Northern Arizona University (NAU); the U.S. Geological Survey (USGS) Astrogeology Science Center (Astrogeology), and the Boston Museum of Science (MOS). Here, we present the work and approach by the SMEs at Astrogeology. As part of this overarching project, we will create a model for improved integration of SMEs, curriculum developers, professional development experts, and educators. For the 2016 and 2017 Fiscal Years, our focus is on creating science material for two OST modules designed for middle school students. We will begin development of a third module for elementary school students in the latter part of FY2017. The first module focuses on water conservation and treatment as applied on Earth, the International Space Station, and at a fictional Mars base. This unit involves the science and engineering of finding accessible water, evaluating it for quality, treating it for impurities (i.e., dissolved and suspended), initial use, a cycle of greywater treatment and re-use, and final treatment of blackwater. The second module involves the science and engineering of remote sensing as it is related to Earth and planetary exploration. This includes discussion and activities related to the electromagnetic spectrum, spectroscopy and various remote sensing systems and techniques. In

  6. The perceived roles and functions of school science subject advisors

    African Journals Online (AJOL)

    deals with the perceived roles and functions of science subject ad- visors. .... social control, rather than effective management and professional development at school ..... authority, restrictions on travelling, lack of mobile units and sci- ence kits ...

  7. Beyond "Either-Or" Thinking: John Dewey and Confucius on Subject Matter and the Learner

    Science.gov (United States)

    Tan, Charlene

    2016-01-01

    This article compares the educational thought of John Dewey and Confucius on the nature of and relationship between subject matter and the learner. There is a common perception in the existing literature and discourse that Dewey advocates child- or learner-centred education whereas Confucius privileges subject matter via textual transmission.…

  8. SCIENCE WHERE CULTURE MATTERS: A NEO-CLASSICAL ...

    Indian Academy of Sciences (India)

    Table of contents. SCIENCE WHERE CULTURE MATTERS: A NEO-CLASSICAL APPROACH TO EXPLORE UNTAPPED BACTERIAL DIVERSITY · UNDER GRADUATE RESEARCH An alternative model of doing science · THE EXPANSE OF LIFE · HOW MANY SP. OF BACTERIA IN 1 g SOIL? TORSVIK ET AL 1990.

  9. The Particulate Nature of Matter in Science Education and in Science.

    Science.gov (United States)

    Vos, Wobbe de; Verdonk, Adri H.

    1996-01-01

    Discusses ideas about the particulate nature of matter and assesses the extent to which these represent a compromise between scientific and educational considerations. Analyzes relations between the particulate nature of matter in science and science education in an attempt to understand children's inclination to attribute all kinds of macroscopic…

  10. Citizen Science Terminology Matters: Exploring Key Terms

    NARCIS (Netherlands)

    Eitzel, M.V.; Cappadonna, Jessica L.; Santos-Lang, Chris; Duerr, Ruth Ellen; Virapongse, Arika; West, Sarah Elizabeth; Kyba, Christopher Conrad Maximillian; Bowser, Anne; Cooper, Caren Beth; Sforzi, Andrea; Metcalfe, Anya Nova; Harris, Edward S.; Thiel, Martin; Haklay, Mordechai; Ponciano, Lesandro; Roche, Joseph; Ceccaroni, Luigi; Shilling, Fraser Mark; Dörler, Daniel; Heigl, Florian; Kiessling, Tim; Davis, Brittany Y.; Jiang, Qijun

    2017-01-01

    Much can be at stake depending on the choice of words used to describe citizen science, because terminology impacts how knowledge is developed. Citizen science is a quickly evolving field that is mobilizing people’s involvement in information development, social action and justice, and large-scale

  11. Implanted muon studies in condensed matter science

    International Nuclear Information System (INIS)

    Cox, S.F.J.

    1986-12-01

    The paper reviews the broad range of applications of implanted muons in condensed matter. Muon spin rotation is discussed, along with the studies in magnetism, muonion, metals and organic radicals. A description of muon spin relaxation is also given, as well as techniques and applications appropriate to pulsed muon sources. (UK)

  12. 14 CFR 17.11 - Matters not subject to protest.

    Science.gov (United States)

    2010-01-01

    ... Acquisition: (a) FAA purchases from or through, state, local, and tribal governments and public authorities...) Other transactions which do not fall into the category of procurement contracts subject to the AMS. ...

  13. Research chief wants to make science matter

    CERN Multimedia

    König, R

    1999-01-01

    The new research chief of the European Union, Phillippe Busquin wants to move science into the heart of EU decision-taking. He would like to make European research more 'cohesive, focused, mobile and multilateral' (2 pages).

  14. Girl Scouts and Subject Matter Experts: What’s the Connection?

    Science.gov (United States)

    Harman, Pamela; Girls Scouts of Northern California, Girl Scouts USA, Astronomical Society of the Pacifica, Univeristy of Arizona, and ARIES Scientific.

    2018-01-01

    Reaching for the Stars: NASA Science for Girl Scouts (Girl Scout Stars) fosters interaction between Girl Scouts and NASA Subject Matter Experts (SMEs), disseminates NASA STEM education-related resources, and engages Girl Scouts in NASA science and programs through space science badges and summer camps.A space science badge is in development for each of the six levels of Girl Scouts: Daisies, Grades K – 1; Brownies, Grades 2 -3; Juniors, Grades 4 -5; Cadettes, Grades 6 -8; Seniors, Grades 9 -10; and Ambassadors, Grades 11 -12. Indirectly, SMEs will reach tens of thousands of girls through the badges. SETI Institute SMEs Institute and SME Co-Is located at ARIES Scientific, Astronomical Society of the Pacific, University of Arizona, and Girl Scouts of Northern California developed and modified astronomy activities for the Girl Scouts USA badge writers to finesse into the Girl Scout formats. Revisions are reviewed by SMEs for accuracy. Each badge includes a step option that encourages girls to connect with SMEs, and recommendations for volunteers.A total of 127 girls from 31 states and the District of Columbia attendedTotal Eclipse Destination Camps at three locations. SMEs led activities and tours, inspiring girls to consider STEM careers. University of Arizona (U of A) SMEs lead Astronomy Camp for Volunteers, enabling volunteers to lead and inspire Girl Scouts in their respective Girl Scout Councils. A Destination Camp for Girl Scouts was also held at U of A. Girls experience authentic astronomy, learning how to collect and analyze data.Eleven teams comprised of two Girl Scouts, a volunteer or Council Staff, and an amateur astronomer attended Astronomy Club Camp, held at NASA GSFC. SMEs delivered science content. The girls will lead the formation of astronomy clubs in their councils, and will train their successors. SMEs will present and coach the clubs during monthly webinars.This presentation will highlight success and discuss lessons learned that are applicable

  15. Student Motivation in Science Subjects in Tanzania, Including Students' Voices

    Science.gov (United States)

    Mkimbili, Selina Thomas; Ødegaard, Marianne

    2017-12-01

    Fostering and maintaining students' interest in science is an important aspect of improving science learning. The focus of this paper is to listen to and reflect on students' voices regarding the sources of motivation for science subjects among students in community secondary schools with contextual challenges in Tanzania. We conducted a group-interview study of 46 Form 3 and Form 4 Tanzanian secondary school students. The study findings reveal that the major contextual challenges to student motivation for science in the studied schools are limited resources and students' insufficient competence in the language of instruction. Our results also reveal ways to enhance student motivation for science in schools with contextual challenges; these techniques include the use of questioning techniques and discourse, students' investigations and practical work using locally available materials, study tours, more integration of classroom science into students' daily lives and the use of real-life examples in science teaching. Also we noted that students' contemporary life, culture and familiar language can be utilised as a useful resource in facilitating meaningful learning in science in the school. Students suggested that, to make science interesting to a majority of students in a Tanzanian context, science education needs to be inclusive of students' experiences, culture and contemporary daily lives. Also, science teaching and learning in the classroom need to involve learners' voices.

  16. Pharmacy students' perceptions of natural science and mathematics subjects.

    Science.gov (United States)

    Prescott, Julie; Wilson, Sarah Ellen; Wan, Kai-Wai

    2014-08-15

    To determine the level of importance pharmacy students placed on science and mathematics subjects for pursuing a career in pharmacy. Two hundred fifty-four students completed a survey instrument developed to investigate students' perceptions of the relevance of science and mathematics subjects to a career in pharmacy. Pharmacy students in all 4 years of a master of pharmacy (MPharm) degree program were invited to complete the survey instrument. Students viewed chemistry-based and biology-based subjects as relevant to a pharmacy career, whereas mathematics subjects such as physics, logarithms, statistics, and algebra were not viewed important to a career in pharmacy. Students' experience in pharmacy and year of study influenced their perceptions of subjects relevant to a pharmacy career. Pharmacy educators need to consider how they can help students recognize the importance of scientific knowledge earlier in the pharmacy curriculum.

  17. Trashing the millenium: Subjectivity and technology in cyberpunk science fiction

    Directory of Open Access Journals (Sweden)

    J. A. Sey

    1992-05-01

    Full Text Available 'Cyberpunk’ science fiction is a self-proclaimed movement within the genre which began in the 1980s. As the name suggests, it is an extrapolative form of science fiction which combines an almost obsessional interest in machines (particularly information machines with an anarchic, amoral, streetwise sensibility This paper sketches the development of the movement and seeks to make qualified claims for the radical. potential of its fiction. Of crucial importance are the ways in which human subjectivity (viewed in psychoanalytic terms interacts with 'technological subjectivity' in cyberpunk, particularly with regard to implications of these interactions for oedipalization.

  18. Rhetorical meta-language to promote the development of students' writing skills and subject matter understanding

    Science.gov (United States)

    Pelger, Susanne; Sigrell, Anders

    2016-01-01

    students' understanding of their subject matter.

  19. Reconceptualizing the Nature of Science for Science Education: Why Does it Matter?

    Science.gov (United States)

    Dagher, Zoubeida R.; Erduran, Sibel

    2016-01-01

    Two fundamental questions about science are relevant for science educators: (a) What is the nature of science? and (b) what aspects of nature of science should be taught and learned? They are fundamental because they pertain to how science gets to be framed as a school subject and determines what aspects of it are worthy of inclusion in school…

  20. NASA's Universe of Learning: The Integral Role of Research Astronomers and Other Subject Matter Experts

    Science.gov (United States)

    Lee, Janice; Universe of Learning Team

    2018-01-01

    Astronomy seeks to understand the workings of the Universe on its largest scales, and to answer fundamental questions about the story of our origins. The science of astronomy thus naturally lends itself to informal education and public outreach activities, as it broadly captures the human imagination. There are at least three overall goals for investment of resources in Astronomy E/PO: to interest students in pursuing STEM education and careers; to develop Astronomy as context for teaching more basic physical and computer science in service of US National Education Goals; to help motivate continued public support of federally funded Astronomy research and technology development. Providing a full spectrum of opportunities for the public to learn about recent Astronomy discoveries is key to achieving these societal goals. Thus, the E/PO professional community must have an understanding of recent scientific/technological results, and engage with the researchers who are creating new knowledge to explicate that knowledge to the public. It stands to reason that researchers (or “subject matter experts, SMEs”) must be involved in and remain connected to the E/PO endeavor. In this talk, I will describe how research astronomers and other SMEs play an integral role in a full range of informal education programming developed by the NASA Universe of Learning collaboration, and opportunities to get involved.

  1. Subject matter of the All-Union Coordination Conference. [USSR

    Energy Technology Data Exchange (ETDEWEB)

    Rudkevich, M.I.; Tselik, M.P.; Belkina, T.V.

    1984-06-01

    Conference on reviewing plans for new research and experimental design projects in the coking industry for 1984-85 took place on 13-17 June 1983. Participants represented the Ministry of Ferrous Metallurgy, Institute for the Chemistry of Coal and other research institutes, technical schools and coking plants. The titles of the more important papers delivered at the conference are given. Main directions in research and development, test results of new processes and technology, automation and mechanization in the industry, preparation of coal batches for coking, studies on coals from the eastern deposits, methods for evaluating blast furnace cokes, and other subject areas related to the coking and chemical industry were covered in the papers delivered at the conference. Altogether 179 on-going and new projects were discussed at the conference.

  2. The perceived roles and functions of school science subject advisors

    African Journals Online (AJOL)

    The science subject advisor can play an important role in upgrading ... literature study highlighted practices in the UK and the US that are ... South Africa has recently adopted a strate- ... (North West Province) felt that a solution to their teaching problems ..... teachers, clustering of schools, practical work, cross teaching,.

  3. Information Science and Information Systems: Conjunct Subjects Disjunct Disciplines.

    Science.gov (United States)

    Ellis, David; Allen, David; Wilson, Tom

    1999-01-01

    Examines the relationship between information science and information-systems (IS) research through analysis of the subject literature of each field and by citation and co-citation analysis of highly cited researchers in each field. Subfields of user studies and information-retrieval research were selected to represent information-science…

  4. Objective versus subjective outcome measures of biofeedback: what really matters?

    Science.gov (United States)

    Berry, Amanda; Rudick, Kristen; Richter, Meg; Zderic, Stephen

    2014-08-01

    Clinical epidemiologic studies suggest that once established, voiding dysfunction can become a lifelong condition if not treated correctly early on in life. Biofeedback is one component of a voiding retraining program to help children with voiding dysfunction. Our goal was to compare objective non-invasive urodynamic data obtained during office biofeedback sessions with patient reported voiding symptom scores. Charts of 55 children referred in 2010 for pelvic floor muscle biofeedback therapy for urinary incontinence were retrospectively reviewed. Patients with any anatomic diagnoses were excluded. Forty-seven (86%) females and eight males (14%) with a mean age of 8.2 years made up the cohort. Uroflow curves, voided volumes, and post-void residuals were recorded at each visit and served as objective data. Volumes were normalized as a percentage of expected bladder capacity according to age. The patient reported symptom score and patient reported outcome (improved, no change or worse) served as subjective measures of intervention. The primary referral diagnoses were day and night wetting in 37 (67%) and daytime incontinence in 18 (33%) children. A history of urinary tract infection (UTI) was noted in 32 (64%) patients, and 25% were maintained on antibiotic prophylaxis during the study period. Twenty-nine percent were maintained on anticholinergic medication. Patients attended an average of 2.5 biofeedback sessions. Voided volumes and post void residual volumes were unchanged, 50% of the abnormal uroflow curves normalized over the course of treatment (p biofeedback were rated an improved in 26 (47%), no change in 15 (27%), worse in three (5%) patients, and not rated in 11 patients (21%). Pelvic floor muscle biofeedback is associated with patient-reported improvement in symptoms, reduction in voiding symptom score, and normalization of uroflow curves, but these improvements are not correlated with objective parameters of voided volumes and post-void residual urine

  5. Experiential Learning of Electronics Subject Matter in Middle School Robotics Courses

    Science.gov (United States)

    Rihtaršic, David; Avsec, Stanislav; Kocijancic, Slavko

    2016-01-01

    The purpose of this paper is to investigate whether the experiential learning of electronics subject matter is effective in the middle school open learning of robotics. Electronics is often ignored in robotics courses. Since robotics courses are typically comprised of computer-related subjects, and mechanical and electrical engineering, these…

  6. Biopolitics and the `subject' of labor in science education

    Science.gov (United States)

    Bazzul, Jesse

    2017-12-01

    Viewing science education as a site of biopolitical engagement—intervention into forces that seek to define, control, and exploit life (biopower)—requires that science educators ask after how individuals and populations are governed by technologies of power. In this paper, I argue that microanalyses, the analysis of everyday practices and discourses, are integral to biopolitical engagement, are needed to examine practices that constitute subjectivities and maintain oppressive social conditions. As an example of a microanalysis I will discuss how repetitive close-ended lab/assessment tasks, as well as discourses surrounding careers in science, can work to constitute students as depoliticized, self-investing subjects of human capital. I also explore the relationship between science education, (bio)labor and its relation to biopolitics, which remains an underdeveloped area of science education. This paper, part of my doctoral work, began to take shape in 2011, shortly after the 2008 economic crisis achieved a tiny breached in the thick neoliberal stupor of everyday (educational) life.

  7. One Health in food safety and security education: Subject matter outline for a curricular framework.

    Science.gov (United States)

    Angelos, John A; Arens, Amanda L; Johnson, Heather A; Cadriel, Jessica L; Osburn, Bennie I

    2017-06-01

    Educating students in the range of subjects encompassing food safety and security as approached from a One Health perspective requires consideration of a variety of different disciplines and the interrelationships among disciplines. The Western Institute for Food Safety and Security developed a subject matter outline to accompany a previously published One Health in food safety and security curricular framework. The subject matter covered in this outline encompasses a variety of topics and disciplines related to food safety and security including effects of food production on the environment. This subject matter outline should help guide curriculum development and education in One Health in food safety and security and provides useful information for educators, researchers, students, and public policy-makers facing the inherent challenges of maintaining and/or developing safe and secure food supplies without destroying Earth's natural resources.

  8. One Health in food safety and security education: Subject matter outline for a curricular framework

    Directory of Open Access Journals (Sweden)

    John A. Angelos

    2017-06-01

    Full Text Available Educating students in the range of subjects encompassing food safety and security as approached from a One Health perspective requires consideration of a variety of different disciplines and the interrelationships among disciplines. The Western Institute for Food Safety and Security developed a subject matter outline to accompany a previously published One Health in food safety and security curricular framework. The subject matter covered in this outline encompasses a variety of topics and disciplines related to food safety and security including effects of food production on the environment. This subject matter outline should help guide curriculum development and education in One Health in food safety and security and provides useful information for educators, researchers, students, and public policy-makers facing the inherent challenges of maintaining and/or developing safe and secure food supplies without destroying Earth's natural resources.

  9. Linking Teaching in Mathematics and the Subjects of Natural Science

    DEFF Research Database (Denmark)

    Michelsen, Claus

    2017-01-01

    teaching programs. This is partly due to the lack of a framework for integrating productive ideas across the disciplines. This paper focus on how to grasp the challenges of an interdisciplinary approach to teaching in mathematics and the subjects of natural science. Based on contemporary mathematics...... and science education we design a didactical framework for interdisciplinary teaching centered on modeling activities across mathematics and the disciplines of natural science. To exemplify the potential of the framework we present a case study of an intensive in-service teacher-training program...... for mathematics and biology teachers. The teachers were presented to the didactical framework and in pairs of two, one mathematics teacher and one biology teacher; they designed and implemented interdisciplinary mathematicsbiology teaching sequences. The teachers’ reports on their development and implementation...

  10. Academic Training turns to matters of science and society

    CERN Multimedia

    2001-01-01

    Once again, CERN has opened its doors to matters of science and society. A recent academic training lecture series tackled the thorny issue of arms control. Although an issue far from normal training needs of CERN personnel, the series was well attended. Aseries of lectures about arms control at CERN? Surely some mistake! But there are many reasons why one of the world's most important physics laboratories should consider such weighty political and ethical matters - not least the concern for the issues felt by members of the CERN community. A large number of people followed the full series of lectures on arms control and disarmament by Francesco Calogero, Professor of theoretical physics at Rome's 'La Sapienza' University, demonstrating that CERN people are not only interested in purely scientific matters, but also in the implications for society. Professor Calogero, a former Secretary General of Pugwash1) and currently Chairman of the Pugwash Council, observed that, 'even if I dealt, albeit tersely, with the...

  11. Age-related changes of diffusional anisotropy in the cerebral white matter in normal subjects

    International Nuclear Information System (INIS)

    Hanyu, Haruo; Asano, Tetsuichi; Ogawa, Kimikazu; Takasaki, Masaru; Shindo, Hiroaki; Kakizaki, Dai; Abe, Kimihiko

    1997-01-01

    To investigate age-related changes of diffusional anisotropy in the cerebral white matter, we performed diffusion-weighted MRI studies in 21 normal subjects aged 25 to 96 years. The anisotropic rations (ARs), defined as the apparent diffusion coefficients perpendicular to the nerve fibers to those parallel to the nerve fibers, were significantly higher in elderly than in young subjects in the anterior and posterior white matter surrounding the lateral ventricle. Moreover, significant correlation between age and AR was found in the anterior white matter. The ventricular index (VI) measured on MRI, as a quantitative indicator of brain atrophy, was significantly higher in elderly than younger subjects, and significantly correlated with AR in the anterior white matter. Multiple regression analysis demonstrated that the VI showed the highest correlation for AR. On the other hand, there was no significant correlations between ARs in the corpus callosum and age. These results suggest that morphological changes in the myelin and axon in the white matter occur in elderly normal subjects, probably due to neuronal loss with aging. (author)

  12. Information actions in science and technology: institutionalities, agencies and subjects

    Directory of Open Access Journals (Sweden)

    Rodrigo Rabello

    Full Text Available Considering the influence of new agency forms - intervention and interaction among subjects - in the context of information intermediation, we aim to approach information actions in Science and Technology (S&T taking into consideration the institutionalities involved. For such, we assume there is an influence of a theoretical model emerging in Information Science (IS regarding current inventive and interactive form propitiated by the Web. The text is structured in two central topics bringing: i theoretical and epistemic constructions of the "information action" concept; and ii a certain interpretation oriented by the "informational action in S&T" construct, taking as its object the actions performed by IBICT (Brazilian Institute for Information in Science and Technology, directed towards excellence in information. Finally, we discuss how limitations of the "systemic model" propitiate the construction of new study objects in the model emerging in IS from theoretical innovations and counterpoints thoughts facing the diverse forms of information action, considering, for instance, the action of subjects on what concerns the validation of information in the current scenery of institutional intermediation.

  13. Piaget's epistemic subject and science education: Epistemological vs. psychological issues

    Science.gov (United States)

    Kitchener, Richard F.

    1993-06-01

    Many individuals claim that Piaget's theory of cognitive development is empirically false or substantially disconfirmed by empirical research. Although there is substance to such a claim, any such conclusion must address three increasingly problematic issues about the possibility of providing an empirical test of Piaget's genetic epistemology: (1) the empirical underdetermination of theory by empirical evidence, (2) the empirical difficulty of testing competence-type explanations, and (3) the difficulty of empirically testing epistemic norms. This is especially true of a central epistemic construct in Piaget's theory — the epistemic subject. To illustrate how similar problems of empirical testability arise in the physical sciences, I briefly examine the case of Galileo and the correlative difficulty of empirically testing Galileo's laws. I then point out some important epistemological similarities between Galileo and Piaget together with correlative changes needed in science studies methodology. I conclude that many psychologists and science educators have failed to appreciate the difficulty of falsifying Piaget's theory because they have tacitly adopted a philosophy of science at odds with the paradigm-case of Galileo.

  14. Analysis of condensed matter physics records in databases. Science and technology indicators in condensed matter physics

    International Nuclear Information System (INIS)

    Hillebrand, C.D.

    1999-05-01

    An analysis of the literature on Condensed Matter Physics, with particular emphasis on High Temperature Superconductors, was performed on the contents of the bibliographic database International Nuclear Information System (INIS). Quantitative data were obtained on various characteristics of the relevant INIS records such as subject categories, language and country of publication, publication types, etc. The analysis opens up the possibility for further studies, e.g. on international research co-operation and on publication patterns. (author)

  15. What Do Subject Matter Experts Have to Say about Participating in Education and Outreach?

    Science.gov (United States)

    Manning, Colleen; NASA's Universe of Learning Team

    2018-01-01

    NASA’s Universe of Learning partners wish to actively engage with Subject Matter Experts (scientists and engineers) throughout the design, development, and delivery of products, programs, and professional development. In order to ensure these engagement efforts aligned with the needs of Subject Matter Experts, the external evaluators conducted an online survey. The subject pool included the scientists and engineers employed at the partner organizations as well as other scientists and engineers affiliated with NASA’s Astrophysics missions and research programs. This presentation will describe scientists’/engineers’ interest in various types of education/outreach, their availability to participate in education/outreach, factors that would encourage their participation in education/outreach, and the preparation and support they have for participation in education/outreach.

  16. Dark Energy, Dark Matter and Science with Constellation-X

    Science.gov (United States)

    Cardiff, Ann Hornschemeier

    2005-01-01

    Constellation-X, with more than 100 times the collecting area of any previous spectroscopic mission operating in the 0.25-40 keV bandpass, will enable highthroughput, high spectral resolution studies of sources ranging from the most luminous accreting supermassive black holes in the Universe to the disks around young stars where planets form. This talk will review the updated Constellation-X science case, released in booklet form during summer 2005. The science areas where Constellation-X will have major impact include the exploration of the space-time geometry of black holes spanning nine orders of magnitude in mass and the nature of the dark energy and dark matter which govern the expansion and ultimate fate of the Universe. Constellation-X will also explore processes referred to as "cosmic feedback" whereby mechanical energy, radiation, and chemical elements from star formation and black holes are returned to interstellar and intergalactic medium, profoundly affecting the development of structure in the Universe, and will also probe all the important life cycles of matter, from stellar and planetary birth to stellar death via supernova to stellar endpoints in the form of accreting binaries and supernova remnants. This talk will touch upon all these areas, with particular emphasis on Constellation-X's role in the study of Dark Energy.

  17. Urban Extension: Aligning with the Needs of Urban Audiences Through Subject-Matter Centers

    Directory of Open Access Journals (Sweden)

    Brad Gaolach

    2017-06-01

    Full Text Available The educational program model is the principle approach Extension uses to deliver on its mission of “taking knowledge to the people.” However, with county-based faculty fully engaged in long-term program delivery, they may have little or no capacity to address emerging issues faced by urban communities. Urban governments often seek the research capacity of a university in addition to, or instead of, the traditional Extension programming model but sometimes turn first to other urban-serving universities. Washington State University Extension has addressed these challenges by establishing subject-matter centers. This article examines how subject-matter centers can add capacity to traditional Extension offices in order to be responsive to emerging local needs, suggesting models that other university Extension programs may use or adapt to their local communities. These models also foster more community engagement and articulate greater public value for the institution as a whole.

  18. Problems Faced By Elementary School Second Grade English Subject Matter Teachers

    Directory of Open Access Journals (Sweden)

    Belgin Bal Incebacak

    2017-11-01

    Full Text Available The objective of thisstudy isto determine the problems experienced by subject matter teachers while instructing English lessons in the second grade of elementary school. What are the problemsfaced by English subject matter teachers when they instruct in 2nd grade lessons? In this research the descriptive modeling, which is one of the qualitative research methods, was employed. In accordance with this objective, we worked with 8 subject matter teachers from 5 different schoolsinAtakum and Ilkadim districtslocated in downtown Samsun, through easily accessible case sampling. The semi-structured “English Course Interview Form’’was applied to the teachers. In the study, descriptive survey model was employed, since it was aimed to reveal the current status of qualitative research methods.According to the results obtained from the research, the content was configured and presented under 5 themes. They were categorized as: 1. the problems experienced in classroom management, 2. the problems in physical and cognitive readiness, 3. the problems experienced in the learning and teacher process, 4. the problems seen in counseling, 5. the problems experienced in assessment and evaluation. In conclusion, the teachers stated that they had problems with managing the classroom, especially with the second grade students, whom are younger than others. It is observed that the change for teaching English at a younger age has been appropriate. Our teachersstated that they required in-service training so as to adapt to this aforementioned change.

  19. Incidental white-matter foci on MRI in ''healthy'' subjects: evidence of subtle cognitive dysfunction

    International Nuclear Information System (INIS)

    Baum, K.A.; Schulte, C.; Girke, W.; Reischies, F.M.; Felix, R.

    1996-01-01

    The clinical significance of incidental white-matter foci seen on MRI is controversial. Mainly using a computer-assisted neuropsychological test battery, we tested the hypothesis that there is a clinical correlate of these foci. We studied 41 individuals aged 45-65 years with no history of neurological or psychiatric disorder, in whom no indication of central nervous system abnormalities was found on standardised neurological examination. A computer-assisted neuropsychological test battery, with the advantage of precise measuring of both time and deviation (e. g. in position memory tests), and rating scales for emotional dysfunction were administered; selected soft neurological signs were assessed. In 16 subjects (39 %) MRI showed high-signal foci in the white matter on spin-echo sequences. White-matter foci not adjacent to the lateral ventricles were found to be related to performance on immediate visual memory/visuoperceptual skills, visuomotor tracking/psychomotor speed and, to a lesser degree, learning capacity and abstract and conceptual reasoning skills. Subtle cognitive dysfunction would appear to be a clinical correlate of punctate white-matter foci on MRI of otherwise ''healty'' individuals. (orig.). With 1 fig., 2 tabs

  20. Nanoscale control of energy and matter: challenges and opportunities for plasma science

    International Nuclear Information System (INIS)

    Ostrikov, Kostya

    2013-01-01

    Multidisciplinary challenges and opportunities in the ultimate ability to achieve nanoscale control of energy and matter are discussed using an example of the Plasma Nanoscience. This is an emerging multidisciplinary research field at the cutting edge of a large number of disciplines including but not limited to physics and chemistry of plasmas and gas discharges, materials science, surface science, nanoscience and nanotechnology, solid state physics, space physics and astrophysics, photonics, optics, plasmonics, spintronics, quantum information, physical chemistry, biomedical sciences and related engineering subjects. The origin, progress and future perspectives of this research field driven by the global scientific and societal challenges, is examined. The future potential of the Plasma Nanoscience to remain as a highly topical area in the global research and technological agenda in the Age of Fundamental-Level Control for a Sustainable Future is assessed using a framework of the five Grand Challenges for Basic Energy Sciences recently mapped by the US Department of Energy. It is concluded that the ongoing research is very relevant and is expected to substantially expand to competitively contribute to the solution of all of these Grand Challenges. The approach to control energy and matter at nano- and subnanoscales is based on identifying the prevailing carriers and transfer mechanisms of the energy and matter at the spatial and temporal scales that are most relevant to any particular nanofabrication process. Strong accent is made on the competitive edge of the plasma-based nanotechnology in applications related to the major socio-economic issues (energy, food, water, health and environment) that are crucial for a sustainable development of humankind. Several important emerging topics, opportunities and multidisciplinary synergies for the Plasma Nanoscience are highlighted. The main nanosafety issues are also discussed and the environment- and human health

  1. Developing a Democratic View of Academic Subject Matters: John Dewey, William Chandler Bagley, and Boyd Henry Bode

    Science.gov (United States)

    Watras, Joseph

    2012-01-01

    In the first half of the twentieth century, the ideal of democracy influenced the conceptions people had of the academic subject matters. A common criticism was that abstract academic subjects served aristocratic societies. Although most theorists considered the academic subjects to be important, they had differing views on the conception of…

  2. Subject Matter Specialists and Organizational Effectiveness of Krishi Vigyan Kendras of Tamil Nadu and Kerala

    Directory of Open Access Journals (Sweden)

    Bimal Puthuparambil Bashir

    2017-04-01

    Full Text Available The study was undertaken with the objective of determining the socio-personal characteristics of Subject Matter Specialists (SMS of Krishi Vigyan Kendra (KVK and their relationship with organizational effectiveness. Altogether 65 SMS’ from 12 KVKs across Tamil Nadu and Kerala were selected. The study has concluded that most of respondents were middle aged with more than half of them being female. Majority of them was married, had work experience of below five years and had attended three to five trainings. Most of the respondents had high level of job satisfaction team-work and one-fourth felt a medium to high job stress. More than half of the respondents felt medium level of work load. There was a positive and significant correlation at one per cent level between job satisfaction / team work and organizational effectiveness of KVKs whereas job stress had a negative and significant correlation at five per cent level. Hence it may be concluded that team work, job satisfaction and job stress play a significant role in improving the organizational effectiveness of KVK. More emphasis must be given for team building enhance the job satisfaction level and reduce the job stress among Subject Matter Specialists of KVKs.

  3. CosmoQuest: Supporting Subject Matter Experts in Broadening the Impacts of their Work beyond their Institutional Walls.

    Science.gov (United States)

    Noel-Storr, J.; Buxner, S.; Grier, J.; Gay, P.

    2016-12-01

    CosmoQuest is a virtual research facility, which, like its physical counterparts, provides tools for scientists to acquire reduced data products (thanks to our cadre of citizen scientists working to analyze images and produce results online), and also to participate in education and outreach activities either directly through CosmoQuest activities (such as CosmoAcademy and the Educators' Zone) or with the support of CosmoQuest. Here, we present our strategies to inspire, engage and support Subject Matter Experts (SMEs - Scientists, Engineers, Technologists and Mathematicians) in activities outside of their institutions, and beyond college classroom teaching. We provide support for SMEs who are interested in increasing the impacts of their science knowledge and expertise by interacting with people online, or in other venues outside of their normal work environment. This includes a broad spectrum of opportunities for those interested in hosting webinars; running short courses for the public; using Facebook, Twitter or other social media to communicate science; or other diverse activities such as supporting an open house, science fair, or star party. As noted by Katheryn Woods-Townsend and colleagues, "...face-to-face interactions with scientists allowed students to view scientists as approachable and normal people, and to begin to understand the range of scientific areas and careers that exist. Scientists viewed the scientist-student interactions as a vehicle for science communication" (2015). As CosmoQuest fosters these relationships, it We present a framework for SMEs which combine opportunities for continuing professional development (virtually and in person at conferences) with ongoing online support, creating a dynamic professional learning network. The goal of this is to deepen SME capacity-knowledge, attitudes and behaviors-both encouraging and empowering them to connect to broader audiences in new ways.

  4. African Journals Online: General Science (broad subject range)

    African Journals Online (AJOL)

    Items 51 - 86 of 86 ... The Journal of Science and Technology (JUST) aims principally at publishing articles ... basic sciences, public health, social medicine and medical politics. .... The SWJ is a peer review on-line international journal of broad ...

  5. Glucose metabolism, gray matter structure, and memory decline in subjective memory impairment.

    Science.gov (United States)

    Scheef, Lukas; Spottke, Annika; Daerr, Moritz; Joe, Alexius; Striepens, Nadine; Kölsch, Heike; Popp, Julius; Daamen, Marcel; Gorris, Dominik; Heneka, Michael T; Boecker, Henning; Biersack, Hans J; Maier, Wolfgang; Schild, Hans H; Wagner, Michael; Jessen, Frank

    2012-09-25

    To identify biological evidence for Alzheimer disease (AD) in individuals with subjective memory impairment (SMI) and unimpaired cognitive performance and to investigate the longitudinal cognitive course in these subjects. [¹⁸F]fluoro-2-deoxyglucose PET (FDG-PET) and structural MRI were acquired in 31 subjects with SMI and 56 controls. Cognitive follow-up testing was performed (average follow-up time: 35 months). Differences in baseline brain imaging data and in memory decline were assessed between both groups. Associations of memory decline with brain imaging data were tested. The SMI group showed hypometabolism in the right precuneus and hypermetabolism in the right medial temporal lobe. Gray matter volume was reduced in the right hippocampus in the SMI group. At follow-up, subjects with SMI showed a poorer performance than controls on measures of episodic memory. Longitudinal memory decline in the SMI group was associated with reduced glucose metabolism in the right precuneus at baseline. The cross-sectional difference in 2 independent neuroimaging modalities indicates early AD pathology in SMI. The poorer memory performance at follow-up and the association of reduced longitudinal memory performance with hypometabolism in the precuneus at baseline support the concept of SMI as the earliest manifestation of AD.

  6. Habitual sleep durations and subjective sleep quality predict white matter differences in the human brain

    Directory of Open Access Journals (Sweden)

    Sakh Khalsa

    2017-06-01

    Full Text Available Self-imposed short sleep durations are increasingly commonplace in society, and have considerable health and performance implications for individuals. Reduced sleep duration over multiple nights has similar behavioural effects to those observed following acute total sleep deprivation, suggesting that lack of sleep affects brain function cumulatively. A link between habitual sleep patterns and functional connectivity has previously been observed, and the effect of sleep duration on the brain's intrinsic functional architecture may provide a link between sleep status and cognition. However, it is currently not known whether differences in habitual sleep patterns across individuals are related to changes in the brain's white matter, which underlies structural connectivity. In the present study we use diffusion–weighted imaging and a group comparison application of tract based spatial statistics (TBSS to investigate changes to fractional anisotropy (FA and mean diffusivity (MD in relation to sleep duration and quality, hypothesising that white matter metrics would be positively associated with sleep duration and quality. Diffusion weighted imaging data was acquired from a final cohort of 33 (23–29 years, 10 female, mean 25.4 years participants. Sleep patterns were assessed for a 14 day period using wrist actigraphs and sleep diaries, and subjective sleep quality with the Pittsburgh Sleep Quality Index (PSQI. Median splits based on total sleep time and PSQI were used to create groups of shorter/longer and poorer/better sleepers, whose imaging data was compared using TBSS followed by post-hoc correlation analysis in regions identified as significantly different between the groups. There were significant positive correlations between sleep duration and FA in the left orbito-frontal region and the right superior corona radiata, and significant negative correlations between sleep duration and MD in right orbito-frontal white matter and the right

  7. Doing Science that Matters to Address India's Water Crisis.

    Science.gov (United States)

    Srinivasan, V.

    2017-12-01

    Addressing water security in developing regions involves predicting water availability under unprecedented rates of population and economic growth. India is one of the most water stressed countries in the world. Despite appreciable increases in funding for water research, high quality science that is usable by stakeholders remains elusive. The absence of usable research, has been driven by notions of what is publishable in the developed world. This can be attributed to the absence of problem driven research on questions that actually matter to stakeholders, unwillingness to transcend disciplinary boundaries and the demise of a field-work research culture in favour of computer simulation. Yet the combination of rapid change, inadequate data and human modifications to watersheds poses a challenge, as researchers face a poorly constrained water resources modelling problem. Instead, what India and indeed all developing regions need is to approach the problem from first principles, identifying the most critical knowledge gaps, then prioritizing data collection using novel sensing and modelling approaches to address them. This might also necessitate consideration of underlying social and governance drivers of hydrologic change. Using examples from research in the Cauvery Basin, a highly contentious inter-state river basin, I offer some insights into framing "use-inspired" research agenda and show how the research generates not just new scientific insights but may be translated into practice.

  8. Materials science, nature and position of the subject

    Energy Technology Data Exchange (ETDEWEB)

    Jongenburger, P.

    1984-01-01

    Materials science origin, history, future developments, and its present significance in particular with regard to energy and environment are discussed. By means of the examples of cadmium and tungsten, attention is paid to exhaustion and recovery of materials.

  9. Hybrid Light-Matter States in a Molecular and Material Science Perspective.

    Science.gov (United States)

    Ebbesen, Thomas W

    2016-11-15

    The notion that light and matter states can be hybridized the way s and p orbitals are mixed is a concept that is not familiar to most chemists and material scientists. Yet it has much potential for molecular and material sciences that is just beginning to be explored. For instance, it has already been demonstrated that the rate and yield of chemical reactions can be modified and that the conductivity of organic semiconductors and nonradiative energy transfer can be enhanced through the hybridization of electronic transitions. The hybridization is not limited to electronic transitions; it can be applied for instance to vibrational transitions to selectively perturb a given bond, opening new possibilities to change the chemical reactivity landscape and to use it as a tool in (bio)molecular science and spectroscopy. Such results are not only the consequence of the new eigenstates and energies generated by the hybridization. The hybrid light-matter states also have unusual properties: they can be delocalized over a very large number of molecules (up to ca. 10 5 ), and they become dispersive or momentum-sensitive. Importantly, the hybridization occurs even in the absence of light because it is the zero-point energies of the molecular and optical transitions that generate the new light-matter states. The present work is not a review but rather an Account from the author's point of view that first introduces the reader to the underlying concepts and details of the features of hybrid light-matter states. It is shown that light-matter hybridization is quite easy to achieve: all that is needed is to place molecules or a material in a resonant optical cavity (e.g., between two parallel mirrors) under the right conditions. For vibrational strong coupling, microfluidic IR cells can be used to study the consequences for chemistry in the liquid phase. Examples of modified properties are given to demonstrate the full potential for the molecular and material sciences. Finally an

  10. Implementation of small group discussion as a teaching method in earth and space science subject

    Science.gov (United States)

    Aryani, N. P.; Supriyadi

    2018-03-01

    In Physics Department Universitas Negeri Semarang, Earth and Space Science subject is included in the curriculum of the third year of physics education students. There are various models of teaching earth and space science subject such as textbook method, lecturer, demonstrations, study tours, problem-solving method, etc. Lectures method is the most commonly used of teaching earth and space science subject. The disadvantage of this method is the lack of two ways interaction between lecturers and students. This research used small group discussion as a teaching method in Earth and Space science. The purpose of this study is to identify the conditions under which an efficient discussion may be initiated and maintained while students are investigating properties of earth and space science subjects. The results of this research show that there is an increase in student’s understanding of earth and space science subject proven through the evaluation results. In addition, during the learning process, student’s activeness also increase.

  11. Knot numbers used as labels for identifying subject matter of a khipu

    Directory of Open Access Journals (Sweden)

    Alberto Saez-Rodriguez

    2013-03-01

    Full Text Available This investigation presents a new way to look at the numerical khipu, a knotted-string recording device from Pachacamac (Peru, and the types of information it contains. In addition to celestial coordinates, khipu knots apparently pertain to an early form of double-entry accounting. This study hypothesizes that the khipu sample has the recording capacity needed to register double-entry-like accounts. After the identification of its subject matter, the khipu sample was studied in an attempt to ascertain whether the knot values could represent instructions from the Inca state administration to a local accounting center. The results indicate that the numerical information in the pairing quadrants (determined by the distribution of S- and Z-knots should be read from top to bottom along the full length of the string and can then provide certain complementary details regarding the projected corn stocks of the Inca stat

  12. component of the subject of study of environmental sciences is ...

    Indian Academy of Sciences (India)

    B S Sheshadri1 G Nagendrappa2. No.1, P R Layout, 1st Main Road, Seshadripuram, Bangalore 560 020, India. Department of Chemistry, Bangalore University, Dr Ambedkar Veedi, Bangalore 560 001, India. Resonance – Journal of Science Education. Current Issue : Vol. 23, Issue 4. Current Issue Volume 23 | Issue 4

  13. African Journals Online: General Science (broad subject range)

    African Journals Online (AJOL)

    Items 51 - 86 of 86 ... It also publishes topical reviews on science and technology in development, arts, humanities and culture. .... construction or performance evaluation of technological systems. ... Such works either demonstrate a significant new discovery or other ... Rwanda Journal, Series H: Economics and Management.

  14. Possible reasons for low scientific literacy of Slovak students in some natural science subjects

    Science.gov (United States)

    Bellová, Renata; Melicherčíková, Danica; Tomčík, Peter

    2018-04-01

    Background: The results of international studies have concluded the low level of science literacy in natural science subjects of Slovak students. These studies also showed that this state can be positively influenced by various innovations, which are implemented into the teaching process of above-mentioned subjects.

  15. How can history of science matter to scientists?

    Science.gov (United States)

    Maienschein, Jane; Laubichler, Manfred; Loettgers, Andrea

    2008-06-01

    History of science has developed into a methodologically diverse discipline, adding greatly to our understanding of the interplay between science, society, and culture. Along the way, one original impetus for the then newly emerging discipline--what George Sarton called the perspective "from the point of view of the scientist"--dropped out of fashion. This essay shows, by means of several examples, that reclaiming this interaction between science and history of science yields interesting perspectives and new insights for both science and history of science. The authors consequently suggest that historians of science also adopt this perspective as part of their methodological repertoire.

  16. Student Engagement with a Science Simulation: Aspects that Matter

    Directory of Open Access Journals (Sweden)

    Susan Rodrigues

    2011-01-01

    Full Text Available It is argued that multimedia technology affords an opportunity to better visualise complex relationships often seen in chemistry. This paper describes the influence of chemistry simulation design facets on user progress through a simulation. Three versions of an acid-base titration simulation were randomly allocated to 36 volunteers to examine their interactions with the simulation. The impact of design alterations on the total number of interactions and their patterns was analysed for the following factors: (a the place of a feature on the screen, (b alignment of the sequence of instructions, (c additional instruction before the simulation, (d interactivity of a feature. Additionally, interactions between individual factors, such as age, prior experience with science simulations and computer games, perception of the difficulty of science simulations, and general subject knowledge, on one hand, and the efficiency of using the simulation, on the other hand, were examined. The findings suggestthat: (a centrality of the position of an element significantly affects the number of interactions with the element, (b re-arranging the sequence of instructions on the screen in left-to-right order improves the following of instructions, (c providing users with additional written advice to follow numbered instructions does not have a significant impact on student behaviour, (d interactivity of a feature was found to have a strong positive correlation with the number of interactions with that feature, which warrants a caution about unnecessary interactivity that may hinder simulation efficiency. Surprisingly, neither prior knowledge of chemistry nor theage of the participants had a significant effect on either the number of interactions or the ability to follow on-screen instructions.

  17. Subjectivity

    Directory of Open Access Journals (Sweden)

    Jesús Vega Encabo

    2015-11-01

    Full Text Available In this paper, I claim that subjectivity is a way of being that is constituted through a set of practices in which the self is subject to the dangers of fictionalizing and plotting her life and self-image. I examine some ways of becoming subject through narratives and through theatrical performance before others. Through these practices, a real and active subjectivity is revealed, capable of self-knowledge and self-transformation. 

  18. Canada-United States Transboundary Particulate Matter Science Assessment 2013

    Science.gov (United States)

    This 2013 document summarizes the findings of the Canada-U.S. subcommittee on Scientific Cooperation concerning the transboundary transport of particulate matter (PM) and PM precursors between the two countries.

  19. Canada-United States Transboundary Particulate Matter Science Assessment

    Science.gov (United States)

    This 2004 document summarizes the findings of the Canada-U.S. subcommittee on Scientific Cooperation concerning the transboundary transport of particulate matter (PM) and PM precursors between the two countries.

  20. Staying in the science stream: patterns of participation in A-level science subjects in the UK.

    OpenAIRE

    Smith, Emma

    2011-01-01

    This paper describes patterns of participation and attainment in A-level physics, chemistry and biology from 1961 to 2009. The A-level has long been seen as an important gateway qualification for higher level study, particularly in the sciences. This long term overview examines how recruitment to these three subjects has changed in the context of numerous policies and initiatives that seek to retain more young people in the sciences. The results show that recruitment to the pure sciences has ...

  1. 'The body does matter': Women as embodied social subjects in Angela Carter's Nights at the Circus

    Directory of Open Access Journals (Sweden)

    Milosavljević Tatjana B.

    2017-01-01

    Full Text Available Postmodernism posed a crucial ontological challenge to reality, questioning what constitutes the real world, simultaneously interrogating the horizon of representation of this unstable reality in fiction. Feminism on the other hand equipped us with critical tools for interpreting the reality of being in the world in a gendered body, as well as with a conceptual apparatus for interpreting the manifold institutional and private oppressions of women's bodies that play out in women's daily lives and in the discourses that shape them, literary discourse being one of them. This paper argues that Angela Carter's 1984 novel Nights at the Circus, which is widely held as a postfeminist text due to its narrative commitment to transcending gender binaries, essentially uses the strategies of postmodern storytelling and characterization in order to explore women's embodied potentialities of agency i.e. their construction of subjectivity through body. We will argue that the hybrid magic realist narrative constructs Fevvers' body as a titillating postmodern performance, ontologically illusive and elusive, yet it grounds that same body in various socially effected predicaments and experiences that serve to show that even in the midst of a play of signifiers, in Patricia Waugh's words, 'the body does matter, at least to what has been the dominant perspective within British female fiction' (Waugh, 2006, p. 196. In other words, it may be argued that Carter's novel is invested in traditional second-wave feminist politics to the extent that it shows that a woman's body is an indispensable medium of being in the world with material consequences that bear on the formation of her subjectivity and possibility of agency, and through which she acts out her relationships to others and is acted upon.

  2. Supervising and Controlling Unmanned Systems: A Multi-Phase Study with Subject Matter Experts

    Science.gov (United States)

    Porat, Talya; Oron-Gilad, Tal; Rottem-Hovev, Michal; Silbiger, Jacob

    2016-01-01

    Proliferation in the use of Unmanned Aerial Systems (UASs) in civil and military operations has presented a multitude of human factors challenges; from how to bridge the gap between demand and availability of trained operators, to how to organize and present data in meaningful ways. Utilizing the Design Research Methodology (DRM), a series of closely related studies with subject matter experts (SMEs) demonstrate how the focus of research gradually shifted from “how many systems can a single operator control” to “how to distribute missions among operators and systems in an efficient way”. The first set of studies aimed to explore the modal number, i.e., how many systems can a single operator supervise and control. It was found that an experienced operator can supervise up to 15 UASs efficiently using moderate levels of automation, and control (mission and payload management) up to three systems. Once this limit was reached, a single operator's performance was compared to a team controlling the same number of systems. In general, teams led to better performances. Hence, shifting design efforts toward developing tools that support teamwork environments of multiple operators with multiple UASs (MOMU). In MOMU settings, when the tasks are similar or when areas of interest overlap, one operator seems to have an advantage over a team who needs to collaborate and coordinate. However, in all other cases, a team was advantageous over a single operator. Other findings and implications, as well as future directions for research are discussed. PMID:27252662

  3. Supervising and Controlling Unmanned Systems: A Multi-Phase Study with Subject Matter Experts.

    Science.gov (United States)

    Porat, Talya; Oron-Gilad, Tal; Rottem-Hovev, Michal; Silbiger, Jacob

    2016-01-01

    Proliferation in the use of Unmanned Aerial Systems (UASs) in civil and military operations has presented a multitude of human factors challenges; from how to bridge the gap between demand and availability of trained operators, to how to organize and present data in meaningful ways. Utilizing the Design Research Methodology (DRM), a series of closely related studies with subject matter experts (SMEs) demonstrate how the focus of research gradually shifted from "how many systems can a single operator control" to "how to distribute missions among operators and systems in an efficient way". The first set of studies aimed to explore the modal number, i.e., how many systems can a single operator supervise and control. It was found that an experienced operator can supervise up to 15 UASs efficiently using moderate levels of automation, and control (mission and payload management) up to three systems. Once this limit was reached, a single operator's performance was compared to a team controlling the same number of systems. In general, teams led to better performances. Hence, shifting design efforts toward developing tools that support teamwork environments of multiple operators with multiple UASs (MOMU). In MOMU settings, when the tasks are similar or when areas of interest overlap, one operator seems to have an advantage over a team who needs to collaborate and coordinate. However, in all other cases, a team was advantageous over a single operator. Other findings and implications, as well as future directions for research are discussed.

  4. Introduction to William Stephenson's quest for a science of subjectivity.

    Science.gov (United States)

    Good, James M M

    2010-01-01

    In this introduction to the life and work of William Stephenson my aim is to provide a general overview of the development of his thinking and, more specifically, to highlight the importance he attached to the study of single cases. I also attempt to provide a context for an understanding of the significance of his "Tribute to Melanie Klein." Some of the principal reasons for Stephenson's marginal status in the discipline of psychology will also emerge in the course of the article. I begin by outlining some of the central notions in Q-methodology. The early sections of the article trace his roots in the north of England - the setting for his schooling and university training in physics - and then outline his encounters with Charles Spearman and Cyril Burt at University College London. The subsequent section deals with his time at the University of Oxford Institute of Experimental Psychology and the wartime interruption to his career. The next few sections take us across the Atlantic and describe some of the most significant features of his work on Q-methodology. these sections also record the difficulties Stephenson experienced before he eventually secured a tenured position at the University of Missouri School of Journalism in Columbia. In the final section I attempt to situate Q-methodology in relation to some of the principal theoretical orientations in the human sciences.

  5. University Programme Preferences of High School Science Students in Singapore and Reasons that Matter in their Preferences: A Rasch analysis

    Science.gov (United States)

    Oon, Pey-Tee; Subramaniam, R.

    2015-01-01

    This study explored an under-researched area in science education-the university programmes preferred by high school students who take physical science subjects and the reasons that matter in their preferences. A total of 1,071 upper secondary and pre-university students in Singapore, who take physical science subjects among their range of subjects, participated in this study. A survey method was adopted and the Rasch model was used to analyse the data. Overall, Business Studies was ranked as the predominant choice; nonetheless, scientific programmes such as Science, Engineering, and Mathematics are generally still well liked by the students. When gender differences were examined, we found that students largely followed gender-typical programme preferences, in which males tend to incline towards Engineering while females tend to incline towards Arts and Social Sciences. Students prefer a university programme based on their individual interest and ability, with career aspiration and remuneration coming next. Interestingly, females place greater emphasis on career aspiration than males. Some implications of the study are discussed.

  6. Disciplinary Identity as Analytic Construct and Design Goal: Making Learning Sciences Matter

    Science.gov (United States)

    Carlone, Heidi B.

    2017-01-01

    Bent Flyvbjerg (2001), in his book "Making Social Science Matter: Why Social Inquiry Fails and How It Can Succeed Again," argues that social science's aims and methods are currently, and perhaps always will be, ill suited to the type of cumulative and predictive theory that characterizes inquiry and knowledge generation in the natural…

  7. Characteristics of High School Students' and Science Teachers' Cognitive Frame about Effective Teaching Method for High School Science Subject

    Science.gov (United States)

    Chung, Duk Ho; Park, Kyeong-Jin; Cho, Kyu Seong

    2016-04-01

    We investigated the cognitive frame of high school students and inservice high school science teachers about effective teaching method, and we also explored how they understood about the teaching methods suggested by the 2009 revised Science Curriculum. Data were collected from 275 high school science teachers and 275 high school students. We analyzed data in terms of the words and the cognitive frame using the Semantic Network Analysis. The results were as follows. First, the teachers perceived that an activity oriented class was the effective science class that helped improve students'' problem-solving abilities and their inquiry skills. The students had the cognitive frame that their teacher had to present relevant and enough teaching materials to students, and that they should also receive assistance from teachers in science class to better prepare for college entrance exam. Second, both students and teachers retained the cognitive frame about the efficient science class that was not reflected 2009 revised Science Curriculum exactly. Especially, neither groups connected the elements of ''convergence'' as well as ''integration'' embedded across science subject areas to their cognitive frame nor cognized the fact that many science learning contents were closed related to one another. Therefore, various professional development opportunities should be offered so that teachers succinctly comprehend the essential features and the intents of the 2009 revised Science Curriculum and thereby implement it in their science lessons effectively. Keywords : semantic network analysis, cognitive frame, teaching method, science lesson

  8. Enhancing student engagement to positively impact mathematics anxiety, confidence and achievement for interdisciplinary science subjects

    Science.gov (United States)

    Everingham, Yvette L.; Gyuris, Emma; Connolly, Sean R.

    2017-11-01

    Contemporary science educators must equip their students with the knowledge and practical know-how to connect multiple disciplines like mathematics, computing and the natural sciences to gain a richer and deeper understanding of a scientific problem. However, many biology and earth science students are prejudiced against mathematics due to negative emotions like high mathematical anxiety and low mathematical confidence. Here, we present a theoretical framework that investigates linkages between student engagement, mathematical anxiety, mathematical confidence, student achievement and subject mastery. We implement this framework in a large, first-year interdisciplinary science subject and monitor its impact over several years from 2010 to 2015. The implementation of the framework coincided with an easing of anxiety and enhanced confidence, as well as higher student satisfaction, retention and achievement. The framework offers interdisciplinary science educators greater flexibility and confidence in their approach to designing and delivering subjects that rely on mathematical concepts and practices.

  9. Evaluation of the Level of ICT Integration in Sciences Subjects at the ...

    African Journals Online (AJOL)

    Evaluation of the Level of ICT Integration in Sciences Subjects at the Namibian ... The study was informed by Rogers' theory of diffusion and adopted a qualitative ... A semi- structured interview guide and an observation schedule were used to ...

  10. Neoliberal ideology, global capitalism, and science education: engaging the question of subjectivity

    Science.gov (United States)

    Bazzul, Jesse

    2012-12-01

    This paper attempts to add to the multifaceted discussion concerning neoliberalism and globalization out of two Cultural Studies of Science Education journal issues along with the recent Journal of Research in Science Teaching devoted to these topics. However, confronting the phenomena of globalization and neoliberalism will demand greater engagement with relevant sociopolitical thought in fields typically outside the purview of science education. Drawing from thinkers Michel Foucault, Jean Baudrillard, Judith Butler, and Louis Althusser this paper attempts to extend some key ideas coming from Ken Tobin, Larry Bencze, and Lyn Carter and advocates science educators taking up notions of ideology, discourse, and subjectivity to engage globalization and neoliberalism. Subjectivity (and its constitution in science education) is considered alongside two relevant textbook examples and also in terms of its importance in formulating political and culturally relevant questions in science education.

  11. {sup 1}H and {sup 31}P magnetic resonance spectroscopic imaging of white matter signal hyperintensity areas in elderly subjects

    Energy Technology Data Exchange (ETDEWEB)

    Constans, J M [Department of Veterans Affairs Medical Center and University of California Magnetic Resonance Unit, San Francisco, CA (United States); [California Univ., San Francisco, CA (United States). Dept. of Radiology; Meyerhoff, D J [Department of Veterans Affairs Medical Center and University of California Magnetic Resonance Unit, San Francisco, CA (United States); [California Univ., San Francisco, CA (United States). Dept. of Radiology; Norman, D [California Univ., San Francisco, CA (United States). Dept. of Radiology; Fein, G [Department of Veterans Affairs Psychiatry Service, University of California, San Francisco, California (United States); [University of California, San Francisco, CA (United States). Dept. of Psychiatry; Weiner, M W [Department of Veterans Affairs Medical Center and University of California Magnetic Resonance Unit, San Francisco, CA (United States); [California Univ., San Francisco, CA (United States). Dept. of Radiology; [California Univ., San Francisco, CA (United States). Dept. of Medicine; [DVA Medical Center, Magnetic Resonance Spectroscopy Unit, San Francisco, CA (United States)

    1995-11-01

    White matter signal hyperintensities (WMSH) are commonly seen on MRI of elderly subjects. The purpose of this study was to characterize metabolic changes in the white matter of elderly subjects with extensive WMSH. We used water-suppressed proton ({sup 1}H) magnetic resonance spectroscopic imaging (MRSI) to compare six subjects with extensive WMSH with eight age-matched elderly subjects with minimal or absent WMSH, and phosphorus ({sup 31}P) MRSI to compare nine subjects with extensive WMSH and seven age-matched elderly subjects without extensive WMSH. Relative to region-matched tissue in elderly controls, extensive WMSH were associated with increased signal from choline-containing metabolites, no significant change of signal from N-acetylaspartate, and a trend to a decreased phosphomonoester (PME) resonance. These findings suggest that WMSH may be associated with an alteration of brain myelin phospholipids in the absence of axonal damage. There were no differences in energy phosphates, consistent with lack of ongoing brain ischemia. Within the group with extensive WMSH, PME resonance measures were significantly lower in WMSH than in contralateral normal-appearing white matter. These results provide information on pathophysiology of WMSH and a basis for comparison with WMSH in Alzheimer`s disease, vascular dementia, multiple sclerosis, and other diseases. (orig.). With 4 figs., 4 tabs.

  12. Developing Pre-Service Teachers' Subject Matter Knowledge of Electromagnetism by Integrating Concept Maps and Collaborative Learning

    Science.gov (United States)

    Govender, Nadaraj

    2015-01-01

    This case study explored the development of two pre-service teachers' subject matter knowledge (SMK) of electromagnetism while integrating the use of concept maps (CM) and collaborative learning (CL) strategies. The study aimed at capturing how these pre-service teachers' SMK in electromagnetism was enhanced after having been taught SMK in a…

  13. The Impact of Self-Perceived Subject Matter Knowledge on Pedagogical Decisions in EFL Grammar Teaching Practices

    Science.gov (United States)

    Sanchez, Hugo Santiago

    2014-01-01

    Recent developments in language teacher cognition research highlight the need to explore subject matter knowledge in relation to classroom practice. This study examines the impact of two foreign language teachers' knowledge about grammar upon their pedagogical decisions. The primary database consisted of classroom observations and post-lesson…

  14. Cross-sectional variations of white and grey matter in older hypertensive patients with subjective memory complaints

    Directory of Open Access Journals (Sweden)

    Ahmed Chetouani

    2018-01-01

    Altogether, our findings show that cross-sectional variations in overall white brain matter are linked to the metabolism of Alzheimer-like cortical areas and to cognitive performance in older hypertensive patients with only subjective memory complaints. Additional relationships with central BP strengthen the hypothesis of a contributing pathogenic role of hypertension.

  15. Doing Science That Matters to Address India's Water Crisis

    Indian Academy of Sciences (India)

    research, high quality science that is us- able by ... ising watersheds, I offer some methods and insights. 1. India's ... of training students to think critically about the broader ..... ecosystem service management, and sustainable de- velopment ...

  16. Computer Science Education in Secondary Schools--The Introduction of a New Compulsory Subject

    Science.gov (United States)

    Hubwieser, Peter

    2012-01-01

    In 2004 the German state of Bavaria introduced a new compulsory subject of computer science (CS) in its grammar schools ("Gymnasium"). The subject is based on a comprehensive teaching concept that was developed by the author and his colleagues during the years 1995-2000. It comprises mandatory courses in grades 6/7 for all students of…

  17. Computer science security research and human subjects: emerging considerations for research ethics boards.

    Science.gov (United States)

    Buchanan, Elizabeth; Aycock, John; Dexter, Scott; Dittrich, David; Hvizdak, Erin

    2011-06-01

    This paper explores the growing concerns with computer science research, and in particular, computer security research and its relationship with the committees that review human subjects research. It offers cases that review boards are likely to confront, and provides a context for appropriate consideration of such research, as issues of bots, clouds, and worms enter the discourse of human subjects review.

  18. Is intelligent design science, and does it matter?

    Directory of Open Access Journals (Sweden)

    P W Bateman

    2007-09-01

    Full Text Available The debate between evolution and intelligent design is usually presented by evolutionary biologists as a clash between science and non-science (creationism and religion and therefore as a sterile argument which science wins by default. Countering this is intelligent design (ID and irreducible complexity (IC which posit that the diversity and complexity of life on earth indicates the hand of a designer, although the nature of that designer is not speculated on. In doing so, proponents of� ID and IC bring the argument squarely into the scientific camp and fulfil the requirements of being science, although this is difficult� to define. Here, we discuss the claims of ID and IC to provide an alternative to evolution and propose that science can adequately deal with and refute these claims. At the same time, ID and IC fulfil an important role as foils to �scientism�� � the belief that science is the best way of answering all questions. In the final analysis, however , despite their value in the debate, ID and IC are not found to be robust or reliable enough to replace evolution as the best way of explaining the diversity of life on earth.

  19. Being in a romantic relationship is associated with reduced gray matter density in striatum and increased subjective happiness

    Directory of Open Access Journals (Sweden)

    Hiroaki Kawamichi

    2016-11-01

    Full Text Available Romantic relationship, a widespread feature of human society, is one of the most influential factors in daily life. Although stimuli related to romantic love or being in a romantic relationship commonly result in enhancement of activation or functional connectivity of the reward system, including the striatum, the structure underlying romantic relationship-related regions remain unclear. Because individual experiences can alter gray matter within the adult human brain, we hypothesized that romantic relationship is associated with structural differences in the striatum related to the positive subjective experience of being in a romantic relationship. Because intimate romantic relationships contribute to perceived subjective happiness, this subjective enhancement of happiness might be accompanied by the experience of positive events related to being in a romantic relationship. To test this hypothesis and elucidate the structure involved, we compared subjective happiness, an indirect measure of the existence of positive experiences caused by being in a romantic relationship, of participants with or without romantic partners (N = 68. Furthermore, we also conducted a voxel-based morphometry (VBM study of the effects of being in a romantic relationship (N = 113. Being in a romantic relationship was associated with greater subjective happiness and reduced gray matter density within the right dorsal striatum. These results suggest that being in a romantic relationship enhances perceived subjective happiness via positive experiences. Furthermore, the observed reduction in gray matter density in the right dorsal striatum may reflect an increase in saliency of social reward within a romantic relationship. Thus, being in a romantic relationship is associated with positive experiences and a reduction of gray matter density in the right dorsal striatum, representing a modulation of social reward.

  20. Science in Sync: Integrating Science with Literacy Provides Rewarding Learning Opportunities in Both Subjects

    Science.gov (United States)

    Wallace, Carolyn S.; Coffey, Debra

    2016-01-01

    The "Next Generation Science Standards'" ("NGSS") eight scientific and engineering practices invite teachers to develop key investigative skills while addressing important disciplinary science ideas (NGSS Lead States 2013). The "NGSS" can also provide direct links to "Common Core English Language Arts…

  1. Why technology matters as much as science in improving healthcare

    Directory of Open Access Journals (Sweden)

    Szczerba Robert J

    2012-09-01

    Full Text Available Abstract Background More than half a million new items of biomedical research are generated every year and added to Medline. How successful are we at applying this steady accumulation of scientific knowledge and so improving the practice of medicine in the USA? Discussion The conventional wisdom is that the US healthcare system is plagued by serious cost, access, safety and quality weaknesses. A comprehensive solution must involve the better translation of an abundance of clinical research into improved clinical practice. Yet the application of knowledge (i.e. technology remains far less well funded and less visible than the generation, synthesis and accumulation of knowledge (i.e. science, and the two are only weakly integrated. Worse, technology is often seen merely as an adjunct to practice, e.g. electronic health records. Several key changes are in order. A helpful first step lies in better understanding the distinction between science and technology, and their complementary strengths and limitations. The absolute level of funding for technology development must be increased as well as being more integrated with traditional science-based clinical research. In such a mission-oriented federal funding strategy, the ties between basic science research and applied research would be better emphasized and strengthened. Summary It bears repeating that only by applying the wealth of existing and future scientific knowledge can healthcare delivery and patient care ever show significant improvement.

  2. Safety Matters! Safety for Primary Science and Technology

    Science.gov (United States)

    Education in Science, 2011

    2011-01-01

    This article discusses where teachers stand from a legal point of view when pupils, who have been told to wear eye protection, take it off during the practical lesson, and an accident happens. It also discusses the disposal of dissection and other waste from animal parts used in school science. (Contains 1 footnote.)

  3. Special issue on "Frontiers in Materials Science: Condensed matters"

    Science.gov (United States)

    Hoang, Nam-Nhat; Yamamoto, Tomoyuki; Pham, Duc-Thang

    2018-03-01

    This special issue includes the editor-invited and selected papers from 3rd International Symposium on Frontiers in Materials Science (FMS2016), held in Hanoi, Vietnam, from the 28th to 30th of September 2016, which coincided with the 65th anniversary of the Faculty of Physics, Hanoi University of Education. The FMS2016 is a continuation of a series of meetings starting from 2010. A first event was a bilateral Vietnamese-German meeting in Hanoi, Vietnam, in 2010, and the second one was held in Frankfurt, Germany, in 2011. The idea at that time was to initiate interactions between scientists from both countries and to further develop the field of materials science in Southeast Asia. After these successful bilateral meetings, a next step was taken by advancing the format of the symposium into an international event. In 2013, the 1st International Symposium on Frontiers in Materials Science (FMS2013) was successfully organized in Hanoi, which followed 2nd symposium, FMS2015, in Tokyo, in 2015. The FMS2016 continues this idea of providing an international forum for physicists, material scientists and chemists for discussing their latest results and the recent developments in the important field of materials science.

  4. EPA Science Matters Newsletter: Taking Action on Climate Change

    Science.gov (United States)

    The U.S. Global Change Research Program (USGCRP) emphasizes the foundational role of science in understanding global change and its impacts on the environment. The U.S. Environmental Protection Agency is an integral and important part of that effort

  5. Designing Infographics to support teaching complex science subject: A comparison between static and animated Infographics

    Science.gov (United States)

    Hassan, Hesham Galal

    This thesis explores the proper principles and rules for creating excellent infographics that communicate information successfully and effectively. Not only does this thesis examine the creation of Infographics, it also tries to answer which format, Static or Animated Infographics, is the most effective when used as a teaching-aid framework for complex science subjects, and if compelling Infographics in the preferred format facilitate the learning experience. The methodology includes the creation of infographic using two formats (Static and Animated) of a fairly complex science subject (Phases Of The Moon), which were then tested for their efficacy as a whole, and the two formats were compared in terms of information comprehension and retention. My hypothesis predicts that the creation of an infographic using the animated format would be more effective in communicating a complex science subject (Phases Of The Moon), specifically when using 3D computer animation to visualize the topic. This would also help different types of learners to easily comprehend science subjects. Most of the animated infographics produced nowadays are created for marketing and business purposes and do not implement the analytical design principles required for creating excellent information design. I believe that science learners are still in need of more variety in their methods of learning information, and that infographics can be of great assistance. The results of this thesis study suggests that using properly designed infographics would be of great help in teaching complex science subjects that involve spatial and temporal data. This could facilitate learning science subjects and consequently impact the interest of young learners in STEM.

  6. Psychology as a Science of Subject and Comportment, beyond the Mind and Behavior.

    Science.gov (United States)

    Pérez-Álvarez, Marino

    2018-03-01

    The turn of qualitative inquiry suggests a more open, plural conception of psychology than just the science of the mind and behavior as it is most commonly defined. Historical, ontological and epistemological binding of this conception of psychology to the positivist method of natural science may have exhausted its possibilities, and after having contributed to its prestige as a science, has now become an obstacle. It is proposed that psychology be reconceived as a science of subject and comportment in the framework of a contextual hermeneutic, social, human behavioral science. Thus, without rejecting quantitative inquiry, psychology recovers territory left aside like introspection and pre-reflective self-awareness, and reconnects with traditions marginalized from the main stream. From this perspective psychology might also recover its credibility as a human science in view of current skepticism.

  7. Urban school leadership for elementary science instruction: Identifying and activating resources in an undervalued school subject

    Science.gov (United States)

    Spillane, James P.; Diamond, John B.; Walker, Lisa J.; Halverson, Rich; Jita, Loyiso

    2001-10-01

    This article explores school leadership for elementary school science teaching in an urban setting. We examine how school leaders bring resources together to enhance science instruction when there appear to be relatively few resources available for it. From our study of 13 Chicago elementary (K-8) schools' efforts to lead instructional change in mathematics, language arts, and science education, we show how resources for leading instruction are unequally distributed across subject areas. We also explore how over time leaders in one school successfully identified and activated resources for leading change in science education. The result has been a steady, although not always certain, development of science as an instructional area in the school. We argue that leading change in science education involves the identification and activation of material resources, the development of teachers' and school leaders' human capital, and the development and use of social capital.

  8. Analyzing Subject Disciplines of Knowledge Originality and Knowledge Generality for Library & Information Science

    Directory of Open Access Journals (Sweden)

    Mu-Hsuan Huang

    2007-12-01

    Full Text Available This study used bibliometric methods to analyze subject disciplines of knowledge originality and knowledge generality for Library and Information Science (LIS by using citing and cited documents from 1997 to 2006. We found that the major subject disciplines of knowledge originality and generality are still LIS, and computer science and LIS interact and influence each other closely. It is evident that number of subject disciplines of knowledge originality is higher than that of knowledge generality. The interdisciplinary characteristics of LIS are illustrated by variety areas of knowledge originality and knowledge generality. Because the number of received subject disciplines is higher than that of given subject disciplines, it suggests that LIS is an application-oriented research area. [Article content in Chinese

  9. White matter organization in cervical spinal cord relates differently to age and control of grip force in healthy subjects.

    Science.gov (United States)

    Lindberg, Påvel G; Feydy, Antoine; Maier, Marc A

    2010-03-17

    Diffusion tensor imaging (DTI) can be used to elucidate relations between CNS structure and function. We hypothesized that the degree of spinal white matter organization relates to the accuracy of control of grip force. Healthy subjects of different age were studied using DTI and visuomotor tracking of precision grip force. The latter is a prime component of manual dexterity. A regional analysis of spinal white matter [fractional anisotropy (FA)] across multiple cervical levels (C2-C3, C4-C5, and C6-C7) and in different regions of interest (left and right lateral or medial spinal cord) was performed. FA was highest at the C2-C3 level, higher on the right than the left side, and higher in the lateral than in the medial spinal cord (p level in the lateral spinal cord, in which the corticospinal tract innervates spinal circuitry controlling hand and digit muscles. FA of the medial spinal cord correlated consistently with age across all cervical levels, whereas FA of the lateral spinal cord did not. The results suggest (1) a functionally relevant specialization of lateral spinal cord white matter and (2) an increased sensitivity to age-related decline in medial spinal cord white matter in healthy subjects.

  10. Ultrasonic spectroscopy applications in condensed matter physics and materials science

    CERN Document Server

    Leisure, Robert G

    2017-01-01

    Ultrasonic spectroscopy is a technique widely used in solid-state physics, materials science, and geology that utilizes acoustic waves to determine fundamental physical properties of materials, such as their elasticity and mechanical energy dissipation. This book provides complete coverage of the main issues relevant to the design, analysis, and interpretation of ultrasonic experiments. Topics including elasticity, acoustic waves in solids, ultrasonic loss, and the relation of elastic constants to thermodynamic potentials are covered in depth. Modern techniques and experimental methods including resonant ultrasound spectroscopy, digital pulse-echo, and picosecond ultrasound are also introduced and reviewed. This self-contained book includes extensive background theory and is accessible to students new to the field of ultrasonic spectroscopy, as well as to graduate students and researchers in physics, engineering, materials science, and geophysics.

  11. Staying in the Science Stream: Patterns of Participation in A-Level Science Subjects in the UK

    Science.gov (United States)

    Smith, Emma

    2011-01-01

    This paper describes patterns of participation and attainment in A-level physics, chemistry and biology from 1961 to 2009. The A level has long been seen as an important gateway qualification for higher level study, particularly in the sciences. This long-term overview examines how recruitment to these three subjects has changed in the context of…

  12. Why public dissemination of science matters: a manifesto.

    Science.gov (United States)

    Eagleman, David M

    2013-07-24

    Communicating science to the public takes time away from busy research careers. So why would you do it? I here offer six reasons. First, we owe that understanding to the people who fund our experiments, the taxpaying public. Second, we can leverage our skills as scientists to inspire critical thinking in public and political dialog. Third, researchers are optimally positioned to stem the flow of scientific misinformation in the media. Fourth, we can explain the ways and the means by which science can (and cannot) improve law and social policy. Fifth, it is incumbent upon us to explain what science is and is not: while it is a way of thinking that upgrades our intuitions, it also comes with a deep understanding of (and tolerance for) uncertainty. Finally, we find ourselves in the pleasurable position of being able to share the raw beauty of the world around us-and in the case of neuroscience, the world inside us. I suggest that scientists are optimally stationed to increase their presence in the public sphere: our training positions us to synthesize large bodies of data, weigh the evidence, and communicate with nuance, sincerity and exactitude.

  13. The epistemic culture in an online citizen science project: Programs, antiprograms and epistemic subjects.

    Science.gov (United States)

    Kasperowski, Dick; Hillman, Thomas

    2018-05-01

    In the past decade, some areas of science have begun turning to masses of online volunteers through open calls for generating and classifying very large sets of data. The purpose of this study is to investigate the epistemic culture of a large-scale online citizen science project, the Galaxy Zoo, that turns to volunteers for the classification of images of galaxies. For this task, we chose to apply the concepts of programs and antiprograms to examine the 'essential tensions' that arise in relation to the mobilizing values of a citizen science project and the epistemic subjects and cultures that are enacted by its volunteers. Our premise is that these tensions reveal central features of the epistemic subjects and distributed cognition of epistemic cultures in these large-scale citizen science projects.

  14. Agriculture vs. social sciences: subject classification and sociological conceptualization of rural tourism in Scopus and Web of Science

    Directory of Open Access Journals (Sweden)

    Marjan HOČEVAR

    2016-12-01

    Full Text Available Agriculture and consumptive function of countryside (rural areas are connected which should be reflected in scientific research. In order to test relationships, we selected the topic of rural tourism (also agritourism, agrotourism, agricultural tourism considering sociological conceptualization (social sciences, sociology and methodological approaches of information sciences (bibliometrics, scientometrics in describing fields of science or scientific disciplines. We ascertained scatter of information in citation databases (Web of Science, Scopus, Google Scholar. Functionalities were evaluated, affecting search precision and recall in information retrieval. We mapped documents to Scopus subject areas as well as Web of Science (WOS research areas and subject categories, and related publications (journals. Databases do not differ substantially in mapping this topic. Social sciences (including economics or business occupy by far the most important place. The strongest concentration was found in tourism-related journals (consistent with power laws. Agriculture-related publications are rare, accounting for some 10 % of documents. Interdisciplinarity seems to be weak. Results point to poor inclusion of emerging social topics in agricultural research whereby agriculture may lose out in possible venues of future research.

  15. Scientific Literacy Matters: Using Literature to Meet Next Generation Science Standards and 21st Century Skills

    Directory of Open Access Journals (Sweden)

    Cynthia Tomovic

    2017-04-01

    Full Text Available Scientific literacy matters. It matters because it is vitally important to the education and development of America’s children, tomorrow's workforce, and the keepers of our future. If the future of American individual decision making, engagement in civic and cultural affairs, and valuable contributions to economic development is to be protected, it is critical that American students become more scientifically literate than they are today. Today, most Americans, including students, are considered scientifically illiterate. Recognizing the need to develop and enhance scientific literacy (also known as science literacy, science educators have worked diligently at developing new science standards, new approaches to science teaching, and new techniques aimed at engaging students in the practice of science. In this article, the use of literature is discussed as one method to augment or supplement the teaching of science. In the context of making a literature selection, a new conceptual approach is proposed that includes attention to meeting the Next Generation Science Standards while being responsive to the importance of 21st Century Skills. Additionally, a Literary Assessment Tool is shared that demonstrates how science educators can evaluate a literary selection in terms of how well it will help them to enhance scientific literacy.

  16. The influence of discovery learning model application to the higher order thinking skills student of Srijaya Negara Senior High School Palembang on the animal kingdom subject matter

    Science.gov (United States)

    Riandari, F.; Susanti, R.; Suratmi

    2018-05-01

    This study aimed to find out the information in concerning the influence of discovery learning model application to the higher order thinking skills at the tenth grade students of Srijaya Negara senior high school Palembang on the animal kingdom subject matter. The research method used was pre-experimental with one-group pretest-posttest design. The researchconducted at Srijaya Negara senior high school Palembang academic year 2016/2017. The population sample of this research was tenth grade students of natural science 2. Purposive sampling techniquewas applied in this research. Data was collected by(1) the written test, consist of pretest to determine the initial ability and posttest to determine higher order thinking skills of students after learning by using discovery learning models. (2) Questionnaire sheet, aimed to investigate the response of the students during the learning process by using discovery learning models. The t-test result indicated there was significant increasement of higher order thinking skills students. Thus, it can be concluded that the application of discovery learning modelhad a significant effect and increased to higher order thinking skills students of Srijaya Negara senior high school Palembang on the animal kingdom subject matter.

  17. 4. International conference on materials science and condensed matter physics. Abstracts

    International Nuclear Information System (INIS)

    2008-09-01

    This book includes more than 200 abstracts on various aspects of: materials processing and characterization, crystal growth methods, solid-state and crystal technology, development of condensed matter theory and modeling of materials properties, solid-state device physics, nano science and nano technology, heterostructures, superlattices, quantum wells and wires, advanced quantum physics for nano systems

  18. The Effect of Constructivist Science Teaching on 4th Grade Students' Understanding of Matter

    Science.gov (United States)

    Cakici, Yilmaz; Yavuz, Gulben

    2010-01-01

    In the last three decades, the constructivist approach has been the dominant ideology in the field of educational research. The aim of this study is to explore the effect of constructivist science teaching on the students' understanding about matter, and to compare the effectiveness of a constructivist approach over traditional teaching methods.…

  19. Earth Matters: Promoting Science Exploration through Blogs and Social Media

    Science.gov (United States)

    Ward, K.; Voiland, A. P.; Carlowicz, M. J.; Simmon, R. B.; Allen, J.; Scott, M.; Przyborski, P. D.

    2012-12-01

    NASA's Earth Observatory (EO) is a 13-year old online publication focusing on the communication of NASA Earth science research, including climate change, weather, geology, oceanography, and solar flares. We serve two primary audiences: the "attentive public"--people interested in and willing to seek out information about science, technology, and the environment--and popular media. We use the EO website (earthobservatory.nasa.gov) to host a variety of content including image-driven stories (natural events and research-based), articles featuring NASA research and, more recently, blogs that give us the ability to increase interaction with our users. For much of our site's history, our communication has been largely one way, and we have relied primarily on traditional online marketing techniques such as RSS and email listservs. As the information ecosystem evolves into one in which many users expect to play a more active role in distributing and even developing content through social media, we've experimented with various social media outlets (blogs, Twitter, Facebook, Google+, etc.) that offer new opportunities for people to interact with NASA data, scientists, and the EO editorial team. As part of our explorations, we are learning about how, and to what extent, these outlets can be used for interaction and outright promotion and how to achieve those goals with existing personnel and resources.

  20. Sociology, Basis for the Secondary-School Subject of Social Sciences

    Directory of Open Access Journals (Sweden)

    Lieke Meijs

    2009-12-01

    Full Text Available This paper reformulates the question of ‘sociology, who needs it’ in two ways, The first question we address is that of the reason why the educational system itself did not come to sociology for help in their long quest for a clear-cut content of the subject. The second question is why sociology did not adopt the orphaned subject of social studies back in 1960. The answer to the first question lies in the vulnerability of a subject that is dependent for its continued existence on the political leanings of the day. This led to a new goal for the subject almost every decade: from social education in the sixties and social and political education in the seventies, to a focus on citizenship education in the nineties. Although the objective was renamed on several occasions, the prescriptive viewpoint is recognizable in each. This perspective is difficult to reconcile with a social science content. The answer to the second questions points towards Dutch social scientists with a strong focus on academic sociology and not for critical, policy or public sociology. This choice was also made in order to win the competition with psychologists and for the discipline to get rid of the poor image it had acquired in the 1960s. The new subject social sciences, with a strong focus on science made it possible for sociology to become the pillar of this new subject.

  1. Why formal learning theory matters for cognitive science.

    Science.gov (United States)

    Fulop, Sean; Chater, Nick

    2013-01-01

    This article reviews a number of different areas in the foundations of formal learning theory. After outlining the general framework for formal models of learning, the Bayesian approach to learning is summarized. This leads to a discussion of Solomonoff's Universal Prior Distribution for Bayesian learning. Gold's model of identification in the limit is also outlined. We next discuss a number of aspects of learning theory raised in contributed papers, related to both computational and representational complexity. The article concludes with a description of how semi-supervised learning can be applied to the study of cognitive learning models. Throughout this overview, the specific points raised by our contributing authors are connected to the models and methods under review. Copyright © 2013 Cognitive Science Society, Inc.

  2. The What, Why, When, and How of Teaching the Science of Subjective Well-Being

    Science.gov (United States)

    Diener, Ed; Scollon, Christie Napa

    2014-01-01

    The field of subjective well-being (SWB), or happiness, has become a thriving area of science, with over 10,000 publications per year on the topic in recent years. Discoveries about the causes and processes involved in SWB range widely, from culture to biology to circumstances, providing instructors an opportunity to draw broadly on concepts from…

  3. A comparison of science and mathematics teachers’ interpersonal behaviour with teachers of other subjects.

    NARCIS (Netherlands)

    Brok, den P.J.; Taconis, R.; Fisher, D.; Gilmer, P.J.; Czerniak, C.M.; Osborne, J.; Kyle, W.C.

    2008-01-01

    The differences in teacher interpersonal behavior between science classes and other subject classes in secondary education are investigated using the Questionnaire on Teacher Interaction (QTI). Multilevel analysis of variance was used on an existing Dutch data set containing 44,353 students and 605

  4. A global map of science based on the ISI subject categories

    NARCIS (Netherlands)

    Leydesdorff, L.; Rafols, I

    2009-01-01

    The decomposition of scientific literature into disciplinary and subdisciplinary structures is one of the core goals of scientometrics. How can we achieve a good decomposition? The ISI subject categories classify journals included in the Science Citation Index (SCI). The aggregated journal-journal

  5. Development Of Phisyics Learning Documents Based Student's Learning Style In The Matter Of Temperature And Heat Subjects Of Class X High School

    OpenAIRE

    Resty Noriwita, Indah Resty Noriwita Indah; Nasir, Muhammad Nasir Muhammad; Ma’aruf, Zuhdi Ma’aruf Zuhdi

    2015-01-01

    This study aims to produce a learning documents physicsbased learning styles of students in the matter of temperature and heat of class subjectS X SMA valid. The subjects were learning documents that consists of a lesson plan (RPP), worksheets (LKS), medium of learning and achievement test of cognitive, affective, process, and psychomotor. Data collection instrument in this study is an instrument validity device physics-based learning students' learning styles in the matter of temperature and...

  6. Bromatological composition and dry matter digestibility of millet cultivars subjected to nitrogen doses

    Directory of Open Access Journals (Sweden)

    W.H.D. Buso

    2014-06-01

    Full Text Available The bromatological composition and in vitro dry matter digestibility of millet cultivars were assessed for different nitrogen doses and two sowing seasons in the Ceres municipality of Goiás state, Brazil. The treatments consisted of three millet cultivars (ADR-7010, ADR-500 and BRS-1501, four nitrogen (N doses (0, 50, 100 and 200kg ha-1 of N and two sowing seasons. Three replicates and a randomised block design with a 3 x 4 x 2 factorial scheme were used. Two cuttings were performed in each season when plants reached an average height of 0.70 cm. No significant interactions were observed between or among cultivars for N doses and dry matter (DM, crude protein (CP, neutral detergent fibre (NDF and acid detergent fibre (ADF contents. The DM, CP, NDF and ADF contents were significantly different between N doses. The DM and CP contents increased as the N dose increased to 100kg ha-1. The maximum DM and CP contents were 11.14 and 22.53%, respectively. The NDF and ADF contents were higher in the control treatment (60.11 and 30.01%, respectively. In addition, the lowest ADF and NDF concentrations occurred at an N dose of 50kg ha-1 (56.33 and 30.23%, respectively. The DM contents were higher for the February sowing, with an average of 10.59%. The highest CP and ADF contents were found for the December sowing (22.46 and 31.58%, respectively. No significant differences were found for millet cultivars, N doses or sowing seasons. A significant interaction was found between sowing season and millet cultivar. The BRS-1501 cultivar had a higher in vitro dry matter digestibility in the December/2010 sowing (73.88%.

  7. Learning about Measurement Uncertainties in Secondary Education: A Model of the Subject Matter

    Science.gov (United States)

    Priemer, Burkhard; Hellwig, Julia

    2018-01-01

    Estimating measurement uncertainties is important for experimental scientific work. However, this is very often neglected in school curricula and teaching practice, even though experimental work is seen as a fundamental part of teaching science. In order to call attention to the relevance of measurement uncertainties, we developed a comprehensive…

  8. Role of the epistemic subject in Piaget's genetic epistemology and its importance for science education

    Science.gov (United States)

    Niaz, Mansoor

    According to Piaget, a fundamental epistemological distinction must be made between the psychological and the epistemic subject. The epistemic subject is studied by the genetic epistemologist who charts development through a common universal rationality, which develops, whereas the psychological subject is studied by the developmental/cognitive psychologist by focusing on accidental contingencies surrounding particular people and their individual differences. The epistemic subject as compared to the psychological subject is an idealized abstraction, viz., that set of underlying epistemic structures common to everyone at the same level of development. The objective of this study is to investigate the degree to which investigators in science education conceptualize the difference between the epistemic and the psychological subjects. It is argued that just as the ideal gas law (based on the theoretical formulation of Maxwell and Boltzmann) provides a general model to which the real gases approximate under different experimental conditions, so we can consider (by abduction) the epistemic subject to be an ideal knower to which the real (psychological) subjects approximate to varying degrees. The difference between the epistemic and the psychological subjects, however, cannot be used as an epistemological shield in defense of Piagetian theory. Any test of the Piagetian theory must involve psychological or real subjects. Empirical testability, however, need not be equated to being scientific. An analogy is drawn between Galileo's idealization, which led to the discovery of the law of free-fall, and Piaget's epistemic subject. Research conducted in science education shows that at least for some critics the wide variations in the age at which individuals acquire the different Piagetian stages is crucial for rejecting the theory. It is argued that the real issue is not the proportion of heterogeneity but the understanding that Piaget, by neglecting individual differences

  9. From object to subject: hybrid identities of indigenous women in science

    Science.gov (United States)

    McKinley, Elizabeth

    2008-12-01

    The use of hybridity today suggests a less coherent, unified and directed process than that found in the Enlightenment science's cultural imperialism, but regardless of this neither concept exists outside power and inequality. Hence, hybridity raises the question of the terms of the mixture and the conditions of mixing. Cultural hybridity produced by colonisation, under the watchful eye of science at the time, and the subsequent life in a modern world since does not obscure the power that was embedded in the moment of colonisation. Indigenous identities are constructed within and by cultural power. While we all live in a global society whose consequences no one can escape, we remain unequal participants and globalisation remains an uneven process. This article argues that power has become a constitutive element in our own hybrid identities in indigenous people's attempts to participate in science and science education. Using the indigenous peoples of Aotearoa New Zealand (called Māori) as a site of identity construction, I argue that the move from being the object of science to the subject of science, through science education in schools, brings with it traces of an earlier meaning of `hybridity' that constantly erupts into the lives of Māori women scientists.

  10. Insight on AV-45 binding in white and grey matter from histogram analysis: a study on early Alzheimer's disease patients and healthy subjects

    Science.gov (United States)

    Nemmi, Federico; Saint-Aubert, Laure; Adel, Djilali; Salabert, Anne-Sophie; Pariente, Jérémie; Barbeau, Emmanuel; Payoux, Pierre; Péran, Patrice

    2014-01-01

    Purpose AV-45 amyloid biomarker is known to show uptake in white matter in patients with Alzheimer’s disease (AD) but also in healthy population. This binding; thought to be of a non-specific lipophilic nature has not yet been investigated. The aim of this study was to determine the differential pattern of AV-45 binding in healthy and pathological populations in white matter. Methods We recruited 24 patients presenting with AD at early stage and 17 matched, healthy subjects. We used an optimized PET-MRI registration method and an approach based on intensity histogram using several indexes. We compared the results of the intensity histogram analyses with a more canonical approach based on target-to-cerebellum Standard Uptake Value (SUVr) in white and grey matters using MANOVA and discriminant analyses. A cluster analysis on white and grey matter histograms was also performed. Results White matter histogram analysis revealed significant differences between AD and healthy subjects, which were not revealed by SUVr analysis. However, white matter histograms was not decisive to discriminate groups, and indexes based on grey matter only showed better discriminative power than SUVr. The cluster analysis divided our sample in two clusters, showing different uptakes in grey but also in white matter. Conclusion These results demonstrate that AV-45 binding in white matter conveys subtle information not detectable using SUVr approach. Although it is not better than standard SUVr to discriminate AD patients from healthy subjects, this information could reveal white matter modifications. PMID:24573658

  11. Relationship between mathematics teacher subject matter knowledge, pedagogical content knowledge and professional development needs

    Science.gov (United States)

    Tajudin, Nor'ain Mohd; Chinnappan, Mohan; Saad, Noor Shah

    2017-05-01

    Two key variables emerged from the literature review is that Specific Matter Knowledge [SMK] and Pedagogical Content Knowledge [PCK] can influence the mathematics teachers' Professional Development [PD] needs. However, the key variables of SMK and PCK that were being investigated were not defined clearly. Empirical evidence that support relationship between SMK and PD and PCK and PD were not verified. In addition, how does PCK mediate SMK and PD is not clear and somewhat lacking. Therefore, the purpose of this paper was to examine the relationship between primary mathematics teacher's SMK, PCK and PD needs. Results of path analysis with SmartPLS indicated that the direct effect of SMK on PD was mediated via PCK. This data provide support for the claim that PD programs for future teachers of primary mathematics should be driven by a more nuanced understanding of the link between SMK and PCK.

  12. White Matter Microstructure in Subjects with Attention-Deficit/Hyperactivity Disorder and Their Siblings

    Science.gov (United States)

    Lawrence, Katherine E.; Levitt, Jennifer G.; Loo, Sandra K.; Ly, Ronald; Yee, Victor; O'Neill, Joseph; Alger, Jeffry; Narr, Katherine L.

    2013-01-01

    Objective: Previous voxel-based and regions-of-interest (ROI)-based diffusion tensor imaging (DTI) studies have found above-normal mean diffusivity (MD) and below-normal fractional anisotropy (FA) in subjects with attention-deficit/hyperactivity disorder (ADHD). However, findings remain mixed, and few studies have examined the contribution of ADHD…

  13. The Work of the Prince's Teaching Institute--Insisting that Established Subjects Matter to All Pupils

    Science.gov (United States)

    Roberts, Martin

    2012-01-01

    The Prince's Teaching Institute (PTI), which has evolved out of the Summer Schools for English Literature and History which The Prince of Wales inaugurated in 2002, now provides a variety of courses in the major subjects of the secondary curriculum. In partnership with Cambridge University it enables teachers to update and extend their subject…

  14. Subjective Evaluations of Alcohol-Related Consequences among College Students: Experience with Consequences Matters

    Science.gov (United States)

    Leavens, Eleanor L.; Leffingwell, Thad R.; Miller, Mary Beth; Brett, Emma I.; Lombardi, Nathaniel

    2017-01-01

    Objective: Research suggests college students rate some alcohol-related consequences less negatively than others, yet it is unclear how or when these differences in perception develop. The current study compared college students' subjective evaluations of alcohol-related consequences that they had and had not experienced in order to test the…

  15. Diffusion tensor imaging identifies deficits in white matter microstructure in subjects with type 1 diabetes that correlate with reduced neurocognitive function.

    Science.gov (United States)

    Kodl, Christopher T; Franc, Daniel T; Rao, Jyothi P; Anderson, Fiona S; Thomas, William; Mueller, Bryon A; Lim, Kelvin O; Seaquist, Elizabeth R

    2008-11-01

    Long-standing type 1 diabetes is associated with deficits on neurocognitive testing that suggest central white matter dysfunction. This study investigated whether diffusion tensor imaging (DTI), a type of magnetic resonance imaging that measures white matter integrity quantitatively, could identify white matter microstructural deficits in patients with long-standing type 1 diabetes and whether these differences would be associated with deficits found by neurocognitive tests. Twenty-five subjects with type 1 diabetes for at least 15 years and 25 age- and sex-matched control subjects completed DTI on a 3.0 Tesla scanner and a battery of neurocognitive tests. Fractional anisotropy was calculated for the major white matter tracts of the brain. Diabetic subjects had significantly lower mean fractional anisotropy than control subjects in the posterior corona radiata and the optic radiation (P < 0.002). In type 1 diabetic subjects, reduced fractional anisotropy correlated with poorer performance on the copy portion of the Rey-Osterreith Complex Figure Drawing Test and the Grooved Peg Board Test, both of which are believed to assess white matter function. Reduced fractional anisotropy also correlated with duration of diabetes and increased A1C. A history of severe hypoglycemia did not correlate with fractional anisotropy. DTI can detect white matter microstructural deficits in subjects with long-standing type 1 diabetes. These deficits correlate with poorer performance on selected neurocognitive tests of white matter function.

  16. Directing Matter and Energy: Five Challenges for Science and the Imagination

    Energy Technology Data Exchange (ETDEWEB)

    Hemminger, J.; Fleming, G.; Ratner, M.

    2007-12-20

    The twin aspects of energy and control (or direction) are the underlying concepts. Matter and energy are closely linked, and their understanding and control will have overwhelming importance for our civilization, our planet, our science, and our technology. This importance ranges even beyond the large portfolio of BES, both because these truly significant Grand Challenges confront many other realms of science and because even partial solutions to these challenges will enrich scientists’ collective imagination and ability to solve problems with new ideas and new methods.

  17. Investigation of Psychophysiological and Subjective Effects of Long Working Hours - Do Age and Hearing Impairment Matter?

    Science.gov (United States)

    Wagner-Hartl, Verena; Kallus, K Wolfgang

    2017-01-01

    Following current prognosis, demographic development raises expectations of an aging of the working population. Therefore, keeping employees healthy and strengthening their ability to work, becomes more and more important. When employees become older, dealing with age-related impairments of sensory functions, such as hearing impairment, is a central issue. Recent evidence suggests that negative effects that are associated with reduced hearing can have a strong impact at work. Especially under exhausting working situations such as working overtime hours, age and hearing impairment might influence employees' well-being. Until now, neither the problem of aged workers and long working hours, nor the problem of hearing impairment and prolonged working time has been addressed explicitly. Therefore, a laboratory study was examined to answer the research question: Do age and hearing impairment have an impact on psychophysiological and subjective effects of long working hours. In total, 51 white-collar workers, aged between 24 and 63 years, participated in the laboratory study. The results show no significant effects for age and hearing impairment on the intensity of subjective consequences (perceived recovery and fatigue, subjective emotional well-being and physical symptoms) of long working hours. However, the psychophysiological response (the saliva cortisol level) to long working hours differs significantly between hearing impaired and normal hearing employees. Interestingly, the results suggest that from a psychophysiological point of view long working hours were more demanding for normal hearing employees.

  18. ROLE OF INTERNET - RESOURCES IN FORMING OF ECOLOGICAL KNOWLEDGE AT THE STUDY OF NATURAL SCIENCES SUBJECTS

    Directory of Open Access Journals (Sweden)

    Olga M. Naumenko

    2013-06-01

    Full Text Available The problem of internet resources application for forming of pupils ecological knowledge at the study of natural sciences subjects is considered. It is noticed, that distribution of ecological knowledge and development of ecological education became the near-term tasks of school education, taking into account a global ecological crisis. It is therefore important to use in school preparation all possibilities that allow to promote the level of ecological knowledge of students and to influence the same on forming of modern views in relation to environmental preservation. Considerable attention is given to advices for the teachers of natural sciences subjects in relation to methodology of the internet resources use at preparation and realization of practical and laboratory works and other forms of educational-searching activity of students.

  19. TEACHERS PERSPECTIVE OF USING ENGLISH AS A MEDIUM OF INSTRUCTION IN MATHEMATICS AND SCIENCE SUBJECTS

    Directory of Open Access Journals (Sweden)

    Norudin Mansor

    2011-07-01

    Full Text Available The policy of changing the medium of instruction in the teaching of mathematics and science from Bahasa Melayu to English is an important innovation affecting teachers of mathematics and science. It poses special challenges not only for teachers who have been trained in the Malay medium but also for those trained in English. This investigation seeks to find out the achievement of students in mathematic and science subjects after considering the impact of prominent independent variables such as, the school, class and home environment, the teaching methodology and the teachers’ attitude. Analysis of the development in the state of Terengganu has been carried out by the distribution of questionnaires to teachers involved. Result of the correlation and multiple regressions indicated that all the three factors are significantly associated towards students’ achievement. However, the teaching methodology indicated a low level of moderate correlation which is believed to be the immediate issue that needed to be addressed in the new system.

  20. Gender, Complexity, and Science for All: Systemizing and Its Impact on Motivation to Learn Science for Different Science Subjects

    Science.gov (United States)

    Zeyer, Albert

    2018-01-01

    The present study is based on a large cross-cultural study, which showed that a systemizing cognition type has a high impact on motivation to learn science, while the impact of gender is only indirect thorough systemizing. The present study uses the same structural equation model as in the cross-cultural study and separately tests it for physics,…

  1. Relative activity of cerebral subcortical gray matter in varying states of attention and awareness in normal subjects and patient studies

    International Nuclear Information System (INIS)

    Cooper, M.; Chen, C.T.; Levy, J.; Wagner, N.; Spire, J.P.; Jacobsen, J.; Meltzer, H.; Metz, J.; Beck, R.N.

    1985-01-01

    An important aspect of the study of brain function involves measurement of the relationships; between activities in the subcortical gray matter of the caudate and of the thalamus; and between these structures and functional cortical areas. The authors have studied these relationships in 22 subjects under different conditions of activation, sleep and sensory deprivation using a PET VI system and F-18-2DG to determine regional cerebral metabolism. Subject activating conditions were maintained throughout the period of equilibration of F-18-2DG and E.E.G.'s were monitored. Multiple tomographic slices of 1-2 million counts were obtained simultaneously with slice separation of 14mm and each plane parallel to the cantho-meatal line. In activated and non-activated awake conditions for normal subjects, left and right thalmus-to-caudate ratios were similar and greater than unity. This relationship was maintained in non-REM sleep, but was reversed and divergent in REM sleep and sensory deprivation; this was also evident in 3/4 narcoleptics awake and asleep in non-REM and REM and 2/3 schizophrenics and affective disorder, subjects. This approach appears to have potential for characterizating normal and disordered regional cerebral function

  2. Science in the everyday world: Why perspectives from the history of science matter.

    Science.gov (United States)

    Pandora, Katherine; Rader, Karen A

    2008-06-01

    The history of science is more than the history of scientists. This essay argues that various modem "publics" should be counted as belonging within an enlarged vision of who constitutes the "scientific community"--and describes how the history of science could be important for understanding their experiences. It gives three examples of how natural knowledge-making happens in vernacular contexts: Victorian Britain's publishing experiments in "popular science" as effective literary strategies for communicating to lay and specialist readers; twentieth-century American science museums as important and contested sites for conveying both scientific ideas and ideas about scientific practice; and contemporary mass-mediated images of the "ideal" scientist as providing counternarratives to received professional scientific norms. Finally, it suggests how humanistic knowledge might help both scientists and historians grapple more effectively with contemporary challenges presented by science in public spheres. By studying the making and elaboration of scientific knowledge within popular culture, historians of science can provide substantively grounded insights into the relations between the public and professionals.

  3. Kant and the nature of matter: Mechanics, chemistry, and the life sciences.

    Science.gov (United States)

    Gaukroger, Stephen

    2016-08-01

    Kant believed that the ultimate processes that regulate the behavior of material bodies can be characterized exclusively in terms of mechanics. In 1790, turning his attention to the life sciences, he raised a potential problem for his mechanically-based account, namely that many of the operations described in the life sciences seemed to operate teleologically. He argued that the life sciences do indeed require us to think in teleological terms, but that this is a fact about us, not about the processes themselves. Nevertheless, even were we to concede his account of the life sciences, this would not secure the credentials of mechanics as a general theory of matter. Hardly any material properties studied in the second half of the eighteenth century were, or could have been, conceived in mechanical terms. Kant's concern with teleology is tangential to the problems facing a general matter theory grounded in mechanics, for the most pressing issues have nothing to do with teleology. They derive rather from a lack of any connection between mechanical forces and material properties. This is evident in chemistry, which Kant dismisses as being unscientific on the grounds that it cannot be formulated in mechanical terms. Copyright © 2016 Elsevier Ltd. All rights reserved.

  4. Science That Matters: The Importance of a Cultural Connection in Underrepresented Students’ Science Pursuit

    Science.gov (United States)

    Jackson, Matthew C.; Galvez, Gino; Landa, Isidro; Buonora, Paul; Thoman, Dustin B.

    2016-01-01

    Recent research suggests that underrepresented minority (URM) college students, and especially first-generation URMs, may lose motivation to persist if they see science careers as unable to fulfill culturally relevant career goals. In the present study, we used a mixed-methods approach to explore patterns of motivation to pursue physical and life sciences across ethnic groups of freshman college students, as moderated by generational status. Results from a longitudinal survey (N = 249) demonstrated that freshman URM students who enter with a greater belief that science can be used to help their communities identified as scientists more strongly over time, but only among first-generation college students. Analysis of the survey data were consistent with content analysis of 11 transcripts from simultaneously conducted focus groups (N = 67); together, these studies reveal important differences in motivational characteristics both across and within ethnicity across educational generation status. First-generation URM students held the strongest prosocial values for pursuing a science major (e.g., giving back to the community). URM students broadly reported additional motivation to increase the status of their family (e.g., fulfilling aspirations for a better life). These findings demonstrate the importance of culturally connected career motives and for examining intersectional identities to understand science education choices and inform efforts to broaden participation. PMID:27543631

  5. Science That Matters: The Importance of a Cultural Connection in Underrepresented Students' Science Pursuit

    Science.gov (United States)

    Jackson, Matthew C.; Galvez, Gino; Landa, Isidro; Buonora, Paul; Thoman, Dustin B.

    2016-01-01

    Recent research suggests that underrepresented minority (URM) college students, and especially first-generation URMs, may lose motivation to persist if they see science careers as unable to fulfill culturally relevant career goals. In the present study, we used a mixed-methods approach to explore patterns of motivation to pursue physical and life…

  6. Sustainability in Science Education? How the Next Generation Science Standards Approach Sustainability, and Why It Matters

    Science.gov (United States)

    Feinstein, Noah Weeth; Kirchgasler, Kathryn L.

    2015-01-01

    In this essay, we explore how sustainability is embodied in the Next Generation Science Standards (NGSS), analyzing how the NGSS explicitly define and implicitly characterize sustainability. We identify three themes (universalism, scientism, and technocentrism) that are common in scientific discourse around sustainability and show how they appear…

  7. 6. International conference on materials science and condensed matter physics. Abstracts

    International Nuclear Information System (INIS)

    2012-09-01

    This book includes abstracts of the communications presented at the 6th International Conference on Materials Science and Condensed Matter Physics. The aim of this event is two-fold. First, it provides a nice opportunity for discussions and the dissemination of the latest results on selected topics in materials science, condensed-matter physics, and electrical methods of materials treatment. On the other hand, this is an occasion for sketching a broad perspective of scientific research and technological developments for the participants through oral and poster presentations. The abstracts presented in the book cover certain issues of modern theoretical and experimental physics and advanced technology, such as crystal growth, doping and implantation, fabrication of solid state structures; defect engineering, methods of fabrication and characterization of nanostructures including nanocomposites, nanowires and nano dots; fullerenes and nano tubes; quantum wells and superlattices; molecular-based materials, meso- and nano electronics; methods of structural and mechanical characterization; optical, transport, magnetic and superconductor properties, non-linear phenomena, size and interface effects; condensed matter theory; modelling of materials and structural properties including low dimensional systems; advanced materials and fabrication processes, device modelling and simulation of structures and elements; optoelectronics and photonics; microsensors and micro electro-mechanical systems; degradation and reliability, advanced technologies of electro-physico-chemical methods and equipment for materials machining, including modification of surfaces; electrophysical technologies of intensification of heat- and mass-transfer; treatment of biological preparations and foodstuff.

  8. Constructing Videocases to Help Novices Learn to Facilitate Discussions in Science and English: How Does Subject Matter Matter?

    Science.gov (United States)

    Rosaen, Cheryl L.; Lundeberg, Mary; Terpstra, Marjorie; Cooper, Marjorie; Niu, Rui; Fu, Jing

    2010-01-01

    Learning to conduct interactive classroom discussions is a high priority for becoming an effective teacher, and most teachers view conducting productive classroom discussions as a complex undertaking. Because the dynamics of facilitating classroom discussions are multifaceted and hard to analyze in real time, there is a growing interest in how…

  9. Translational science matters: forging partnerships between biomedical and behavioral science to advance the public's health.

    Science.gov (United States)

    Mensah, George A; Czajkowski, Susan M

    2018-03-29

    The prevention and effective treatment of many chronic diseases such as cardiovascular disease, cancer and diabetes are dependent on behaviors such as not smoking, adopting a physically-active lifestyle, eating a healthy diet, and adhering to prescribed medical and behavioral regimens. Yet adoption and maintenance of these behaviors pose major challenges for individuals, their families and communities, as well as clinicians and health care systems. These challenges can best be met through the integration of the biomedical and behavioral sciences that is achieved by the formation of strategic partnerships between researchers and practitioners in these disciplines to address pressing clinical and public health problems. The National Institutes of Health has supported a number of clinical trials and research initiatives that demonstrate the value of biomedical and behavioral science partnerships in translating fundamental discoveries into significant improvements in health outcomes. We review several such examples of collaborations between biomedical and behavioral researchers, describe key initiatives focused on advancing a transdisciplinary translational perspective, and outline areas which require insights, tools and findings from both the biomedical and behavioral sciences to advance the public's health.

  10. [The politics of the self: psychological science and bourgeois subjectivity in 19th century Spain.].

    Science.gov (United States)

    Novella, Enric J

    2010-01-01

    This paper offers an analysis of the process of institutionalization of psychological knowledge in Spain following the educative reforms implemented during the second third of the 19th century, which prescribed its inclusion in the curricular program of the new secondary education. After a detailed examination of the theoretical orientation, the ideological assumptions and the socio-political connections of the contents transmitted to the students throughout the century, its militant spiritualism is interpreted as a highly significant attempt on the part of the liberal elites to articulate a pedagogy of subjectivity intended to counteract the trends toward reduction, naturalization and fragmentation of psychic life inherent to the development of modern science.

  11. Insight on AV-45 binding in white and grey matter from histogram analysis: a study on early Alzheimer's disease patients and healthy subjects

    International Nuclear Information System (INIS)

    Nemmi, Federico; Saint-Aubert, Laure; Peran, Patrice; Adel, Djilali; Salabert, Anne-Sophie; Payoux, Pierre; Pariente, Jeremie; Barbeau, Emmanuel J.

    2014-01-01

    AV-45 amyloid biomarker is known to show uptake in white matter in patients with Alzheimer's disease (AD), but also in the healthy population. This binding, thought to be of a non-specific lipophilic nature, has not yet been investigated. The aim of this study was to determine the differential pattern of AV-45 binding in white matter in healthy and pathological populations. We recruited 24 patients presenting with AD at an early stage and 17 matched, healthy subjects. We used an optimized positron emission tomography-magnetic resonance imaging (PET-MRI) registration method and an approach based on an intensity histogram using several indices. We compared the results of the intensity histogram analyses with a more canonical approach based on target-to-cerebellum Standard Uptake Value (SUVr) in white and grey matter using MANOVA and discriminant analyses. A cluster analysis on white and grey matter histograms was also performed. White matter histogram analysis revealed significant differences between AD and healthy subjects, which were not revealed by SUVr analysis. However, white matter histograms were not decisive to discriminate groups, and indices based on grey matter only showed better discriminative power than SUVr. The cluster analysis divided our sample into two clusters, showing different uptakes in grey, but also in white matter. These results demonstrate that AV-45 binding in white matter conveys subtle information not detectable using the SUVr approach. Although it is not more efficient than standard SUVr in discriminating AD patients from healthy subjects, this information could reveal white matter modifications. (orig.)

  12. Insight on AV-45 binding in white and grey matter from histogram analysis: a study on early Alzheimer's disease patients and healthy subjects

    Energy Technology Data Exchange (ETDEWEB)

    Nemmi, Federico; Saint-Aubert, Laure; Peran, Patrice [Inserm, Imagerie Cerebrale et Handicaps Neurologiques UMR 825, Centre Hospitalier Universitaire de Toulouse (France); Universite de Toulouse, UPS, Imagerie Cerebrale et Handicaps Neurologiques UMR 825, Centre Hospitalier Universitaire de Toulouse, Toulouse (France); Adel, Djilali; Salabert, Anne-Sophie; Payoux, Pierre [Inserm, Imagerie Cerebrale et Handicaps Neurologiques UMR 825, Centre Hospitalier Universitaire de Toulouse (France); Universite de Toulouse, UPS, Imagerie Cerebrale et Handicaps Neurologiques UMR 825, Centre Hospitalier Universitaire de Toulouse, Toulouse (France); Centre Hospitalier Universitaire de Toulouse, Service de Medecine Nucleaire, Pole Imagerie, Toulouse (France); Pariente, Jeremie [Inserm, Imagerie Cerebrale et Handicaps Neurologiques UMR 825, Centre Hospitalier Universitaire de Toulouse (France); Universite de Toulouse, UPS, Imagerie Cerebrale et Handicaps Neurologiques UMR 825, Centre Hospitalier Universitaire de Toulouse, Toulouse (France); Centre Hospitalier Universitaire de Toulouse, Service de Neurologie, Pole Neurosciences, Toulouse (France); Barbeau, Emmanuel J. [Centre Hospitalier Universitaire de Toulouse, Service de Neurologie, Pole Neurosciences, Toulouse (France); Universite de Toulouse, UPS, Centre de Recherche Cerveau et Cognition, CNRS, CerCo, Toulouse (France)

    2014-07-15

    AV-45 amyloid biomarker is known to show uptake in white matter in patients with Alzheimer's disease (AD), but also in the healthy population. This binding, thought to be of a non-specific lipophilic nature, has not yet been investigated. The aim of this study was to determine the differential pattern of AV-45 binding in white matter in healthy and pathological populations. We recruited 24 patients presenting with AD at an early stage and 17 matched, healthy subjects. We used an optimized positron emission tomography-magnetic resonance imaging (PET-MRI) registration method and an approach based on an intensity histogram using several indices. We compared the results of the intensity histogram analyses with a more canonical approach based on target-to-cerebellum Standard Uptake Value (SUVr) in white and grey matter using MANOVA and discriminant analyses. A cluster analysis on white and grey matter histograms was also performed. White matter histogram analysis revealed significant differences between AD and healthy subjects, which were not revealed by SUVr analysis. However, white matter histograms were not decisive to discriminate groups, and indices based on grey matter only showed better discriminative power than SUVr. The cluster analysis divided our sample into two clusters, showing different uptakes in grey, but also in white matter. These results demonstrate that AV-45 binding in white matter conveys subtle information not detectable using the SUVr approach. Although it is not more efficient than standard SUVr in discriminating AD patients from healthy subjects, this information could reveal white matter modifications. (orig.)

  13. Variability as a Subject Matter in a Science of Behavior: Reply to Commentaries

    Science.gov (United States)

    Barba, Lourenco de Souza

    2012-01-01

    In his article, the author claimed that studies of operant variability that use a lag-"n" or threshold procedure and measure the obtained variability through the change in U value fail to provide direct evidence that variability is an operant dimension of behavior. To do so, he adopted Catania's (1973) concept of the operant, which takes the…

  14. Why the Difference Between Explanation and Argument Matters to Science Education

    Science.gov (United States)

    Brigandt, Ingo

    2016-05-01

    Contributing to the recent debate on whether or not explanations ought to be differentiated from arguments, this article argues that the distinction matters to science education. I articulate the distinction in terms of explanations and arguments having to meet different standards of adequacy. Standards of explanatory adequacy are important because they correspond to what counts as a good explanation in a science classroom, whereas a focus on evidence-based argumentation can obscure such standards of what makes an explanation explanatory. I provide further reasons for the relevance of not conflating explanations with arguments (and having standards of explanatory adequacy in view). First, what guides the adoption of the particular standards of explanatory adequacy that are relevant in a scientific case is the explanatory aim pursued in this context. Apart from explanatory aims being an important aspect of the nature of science, including explanatory aims in classroom instruction also promotes students seeing explanations as more than facts, and engages them in developing explanations as responses to interesting explanatory problems. Second, it is of relevance to science curricula that science aims at intervening in natural processes, not only for technological applications, but also as part of experimental discovery. Not any argument enables intervention in nature, as successful intervention specifically presupposes causal explanations. Students can fruitfully explore in the classroom how an explanatory account suggests different options for intervention.

  15. 7. International conference on materials science and condensed matter physics. Abstracts

    International Nuclear Information System (INIS)

    2014-09-01

    This book includes the abstracts of the communications presented at the 7th International Conference on Materials Science and Condensed Matter Physics, traditional biennial meeting organized by the Institute of Applied Physics of the Academy of Sciences of Moldova (IAP) which celebrates this year its 50th anniversary. The conference reports have been delivered in a broad range of topics in materials science, condensed matter physics, electrochemistry reflecting the research results of the scientific staff and Ph.D. students from the IAP as well as those by distinguished guests from different countries. The abstracts cover special issues of modern theoretical and experimental physics and advanced technology, such as advances in condensed matter theory; theory of low dimensional systems; modelling of materials and structural properties; ordering and phase transitions; quantum optics and electronics; strong correlated electronic systems; crystal growth; electronic processes and transport properties of semiconductors and superconductors; ordering processes in magnetic and multiferroic systems; interaction of light and matter, and optical phenomena; properties of composites, meta materials and molecular materials; crystal engineering of solid state structures; metal-organic materials; porous materials; advanced materials with magnetic, luminescent, nonlinear optical , thermoelectric, catalytic, analytic and pharmaceutical properties; defects engineering and mechanical properties; crystallography of organic, inorganic and supramolecular compounds; advanced physics of nanosystems; methods of nanostructures and nanomaterials fabrication and characterization; electronic properties of quantum wells, superlattices, nanowires and nanodots; meso- and nanoelectronics, optical processes in nanostructures; emerging phenomena in nanocomposites and nanomaterials; device modelling and simulation, device structures and elements; photovoltaics: crystals, thin films, nanoparticles

  16. 5. International conference on materials science and condensed matter physics and symposium 'Electrical methods of materials treatment'. Abstracts

    International Nuclear Information System (INIS)

    2010-09-01

    This book includes abstracts of the communications presented at the 5th International Conference on Materials Science and Condensed-Matter Physics and at the Symposium dedicated to the 100th anniversary of academician Boris Lazarenko, the prominent scientist and inventor, the first director of the Institute of Applied Physics of the Academy of Sciences of Moldova. The abstracts presented in the book cover a vast range of subjects, such as: advanced materials and fabrication processes; methods of crystal growth, post-growth technological processes, doping and implantation, fabrication of solid state structures; defect engineering, engineering of molecular assembly; methods of nanostructures and nano materials fabrication and characterization; quantum wells and superlattices; nano composite, nanowires and nano dots; fullerenes and nano tubes, molecular materials, meso- and nano electronics; methods of material and structure characterization; structure and mechanical characterization; optical, electrical, magnetic and superconductor properties, transport processes, nonlinear phenomena, size and interface effects; advances in condensed matter theory; theory of low dimensional systems; modelling of materials and structure properties; development of theoretical methods of solid-state characterization; phase transition; advanced quantum physics for nano systems; device modelling and simulation, device structures and elements; micro- and optoelectronics; photonics; microsensors and micro electro-mechanical systems; microsystems; degradation and reliability, solid-state device design; theory and advanced technologies of electro-physico-chemical and combined methods of materials machining and treatment, including modification of surfaces; theory and advanced technologies of using electric fields, currents and discharges so as to intensify heat mass-transfer, to raise the efficiency of treatment of materials, of biological preparations and foodstuff; modern equipment for

  17. Voluntarist theology and early-modern science: The matter of the divine power, absolute and ordained.

    Science.gov (United States)

    Oakley, Francis

    2018-03-01

    This paper is an intervention in the debate inaugurated by Peter Harrison in 2002 when he called into question the validity of what has come to be called 'the voluntarism and early-modern science thesis'. Though it subsequently drew support from such historians of science as J. E. McGuire, Margaret Osler, and Betty-Joe Teeter Dobbs, the origins of the thesis are usually traced back to articles published in 1934 and 1961 respectively by the philosopher Michael Foster and the historian of ideas Francis Oakley. Central to Harrison's critique of the thesis are claims he made about the meaning of the scholastic distinction between the potentia dei absoluta et ordinata and the role it played in the thinking of early-modern theologians and natural philosophers. This paper calls directly into question the accuracy of Harrison's claims on that very matter.

  18. Life — As a Matter of Fat The Emerging Science of Lipidomics

    CERN Document Server

    Mouritsen, Ole G

    2005-01-01

    LIFE - as a Matter of Fat Lipidomics is the science of the fats called lipids. Lipids are as important for life as proteins, sugars, and genes. The present book gives a multi-disciplinary perspective on the physics of life and the particular role played by lipids and the lipid-bilayer component of cell membranes. The book is aimed at undergraduate students and young research workers within physics, chemistry, biochemistry, molecular biology, nutrition, as well as pharmaceutical and biomedical sciences. The emphasis is on the physical properties of lipid membranes seen as soft and molecularly structured interfaces. By combining and synthesizing insights obtained from a variety of recent studies, an attempt is made to clarify what membrane structure is and how it can be quantitatively described. Furthermore, it is shown how biological function mediated by membranes is controlled by lipid membrane structure and organization on length scales ranging from the size of the individual molecule, across molecular assem...

  19. Hypertension and white matter lesions are independently associated with apathetic behavior in healthy elderly subjects. The Sefuri brain MRI study

    International Nuclear Information System (INIS)

    Yao, Hiroshi; Takashima, Yuki; Mori, Takahiro; Hashimoto, Manabu; Yuzuriha, Takefumi; Uchino, Akira; Miwa, Yoshikazu; Sasaguri, Toshiyuki

    2009-01-01

    Apathy is defined as a syndrome of primary loss of motivation not attributable to emotional distress, intellectual impairment or consciousness disturbance. The aim of our study was to investigate the effects of vascular risk factors and silent ischemic brain lesions on apathetic behavior of community-dwelling elderly subjects. Brain MRI and other medical examinations were performed on 222 non-demented community-dwelling elderly subjects (96 men and 126 women, average age 70.1 years). The apathy group was defined as the most apathetic quintile determined by Starkstein's apathy scale. Silent infarction, deep white matter lesions (DWMLs) and periventricular hyperintensities were detected in 12.2, 39.2 and 22.5%, respectively. Linear regression analysis (Pearson) revealed that the scores on the apathy scale correlated slightly but significantly with logarithmically transformed scores of the Modified Stroop Test (r=0.135, P=0.045), but not with the Mini-Mental State Examination. The apathy group tended to have more high blood pressure (141.6/82.6 vs. 136.1/79.6 mmHg), less prevalent hyperlipidemia (18 vs. 35%) and lower serum albumin. Multivariate analysis (the forward stepwise method of logistic analysis) revealed an independent correlation between the apathy and grade of DWMLs (odds ratio 1.826, 95% confidence interval (CI) 1.129-2.953 per grade) or diastolic blood pressure (DBP) (odds ratio 1.055, 95% CI 1.0 14-1.098 per mmHg) after adjusting for possible confounders. The mean apathy scale score in the DBP≥90 mmHg group was significantly lower (more apathetic) than that in the DBP<80 group (P=0.011, analysis of covariance). This study showed that hypertension and DWMLs are independently associated with apathy in healthy elderly subjects. (author)

  20. The Subject's Matter

    DEFF Research Database (Denmark)

    The body may be the object we know the best. It is the only object from which we constantly receive a flow of information through sight and touch; and it is the only object we can experience from the inside, through our proprioceptive, vestibular, and visceral senses. Yet there have been very few...

  1. Science, technique, technology: passages between matter and knowledge in imperial Chinese agriculture.

    Science.gov (United States)

    Bray, Francesca

    2008-09-01

    Many historians today prefer to speak of knowledge and practice rather than science and technology. Here I argue for the value of reinstating the terms science, techniques and technology as tools for a more precise analysis of governmentality and the workings of power. My tactic is to use these three categories and their articulations to highlight flows between matter and ideas in the production and reproduction of knowledge. In any society, agriculture offers a wonderfully rich case of how ideas, material goods and social relations interweave. In China agronomy was a science of state, the basis of legitimate rule. I compare different genres of agronomic treatise to highlight what officials, landowners and peasants respectively contributed to, and expected from, this charged natural knowledge. I ask how new forms of textual and graphic inscription for encoding agronomic knowledge facilitated its dissemination and ask how successful this knowledge proved when rematerialized and tested as concrete artefacts or techniques. I highlight forms of innovation in response to crisis, and outline the overlapping interpretative frameworks within which the material applications of Chinese agricultural science confirmed and extended its truth across space and time.

  2. Teaching Earth Sciences as an interdisciplinary subject: Novel module design involving research literature

    Science.gov (United States)

    Tong, Vincent C. H.

    2010-05-01

    The study of Earth Sciences requires an interdisciplinary approach as it involves understanding scientific knowledge originating from a wide spectrum of research areas. Not only does it include subjects ranging from, for instance, hydrogeology to deep crustal seismology and from climate science to oceanography, but it also has many direct applications in closely related disciplines such as environmental engineering and natural resources management. While research crossing traditional disciplinary boundaries in geosciences is becoming increasingly common, there is only limited integration of interdisciplinary research in the teaching of the subject. Given that the transition from undergraduate education based on subject modules to postgraduate interdisciplinary research is never easy, such integration is a highly desirable pedagogical approach at both undergraduate and postgraduate levels. My presentation is based on a recent teaching project involving novel design of an undergraduate course. The course is implemented in order to address the synergy between research and teaching (Tong, 2009). This project has been shown to be effective and successful in teaching geosciences undergraduates at the University of London. The module consists of studying core geophysical principles and linking them directly to a selection of recently published research papers in a wide range of interdisciplinary applications. Research reviewing and reporting techniques are systematically developed, practised and fully integrated into teaching of the core scientific theories. A fully-aligned assignment with a feedback website invites the students to reflect on the scientific knowledge and the study skills related to research literature they have acquired in the course. This teaching project has been recognized by a teaching award (http://www.clpd.bbk.ac.uk/staff/BETA). In this presentation, I will discuss how undergraduate teaching with a focus on research literature in Earth Sciences can

  3. The Divergent Thinking of Basic Skills of Sciences Process Skills of Life Aspects on Natural Sciences Subject in Indonesian Elementary School Students

    Science.gov (United States)

    Subali, Bambang; Paidi; Mariyam, Siti

    2016-01-01

    This research aims at measuring the divergent thinking of basic skills of science process skills (SPS) of life aspects in Natural Sciences subjects on Elementary School. The test instruments used in this research have been standardized through the development of instruments. In this case, the tests were tried out to 3070 students. The results of…

  4. Report of the Review Committee of the R and D subjects on Computational Science and Engineering

    International Nuclear Information System (INIS)

    1999-08-01

    The Ad Hoc Review Committee composed of seven experts was set up under the Research Evaluation Committee of JAERI in order to review the R and D subjects to be implemented for five years starting in a 2000 fiscal year at the Center for promotion of Computational Science and Engineering. The review meeting took place on April 26, 1999. According to the review methods consisting of review items, points of review and review criteria given by the Research Evaluation Committee, the review was conducted based on the materials submitted in advance and presentations of CCSE. The Research Evaluation Committee received the review report and its explanations from the Review Committee on July 5. The Research Evaluation Committee has acknowledged appropriateness of the review results. This report describes the review results. (author)

  5. The Remarkable Changes in the Science of Subjective Well-Being.

    Science.gov (United States)

    Diener, Ed

    2013-11-01

    The science of subjective well-being (SWB) has grown dramatically in the last three decades, moving beyond the early cross-sectional surveys of the demographic correlates of SWB. Stronger methods are frequently used to study a broader set of psychological phenomena, such as the effects on SWB of adaptation, culture, personality, and genetics. One important new research finding is that SWB has beneficial effects on health and longevity, social relationships, and productivity. National accounts of SWB are being created to provide information to policy makers about the psychological well-being of citizens. The SWB accounts represent an opportunity for psychologists to demonstrate the positive effects their interventions can produce in societies. © The Author(s) 2013.

  6. Challenges at the Frontiers of Matter and Energy: Transformative Opportunities for Discovery Science

    Energy Technology Data Exchange (ETDEWEB)

    Hemminger, John C. [Univ. of California, Irvine, CA (United States); Sarrao, John [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Crabtree, George [Argonne National Lab. (ANL), Argonne, IL (United States); University of Illinois, Chicago; Flemming, Graham [Univ. of California, Berkeley, CA (United States); Ratner, Mark [Northwestern Univ., Evanston, IL (United States)

    2015-11-01

    FIVE TRANSFORMATIVE OPPORTUNITIES FOR DISCOVERY SCIENCE As a result of this effort, it has become clear that the progress made to date on the five Grand Challenges has created a springboard for seizing five new Transformative Opportunities that have the potential to further transform key technologies involving matter and energy. These five new Transformative Opportunities and the evidence supporting them are discussed in this new report, “Challenges at the Frontiers of Matter and Energy: Transformative Opportunities for Discovery Science.” Mastering Hierarchical Architectures and Beyond-Equilibrium Matter Complex materials and chemical processes transmute matter and energy, for example from CO2 and water to chemical fuel in photosynthesis, from visible light to electricity in solar cells and from electricity to light in light emitting diodes (LEDs) Such functionality requires complex assemblies of heterogeneous materials in hierarchical architectures that display time-dependent away-from-equilibrium behaviors. Much of the foundation of our understanding of such transformations however, is based on monolithic single- phase materials operating at or near thermodynamic equilibrium. The emergent functionalities enabling next-generation disruptive energy technologies require mastering the design, synthesis, and control of complex hierarchical materials employing dynamic far-from-equilibrium behavior. A key guide in this pursuit is nature, for biological systems prove the power of hierarchical assembly and far- from-equilibrium behavior. The challenges here are many: a description of the functionality of hierarchical assemblies in terms of their constituent parts, a blueprint of atomic and molecular positions for each constituent part, and a synthesis strategy for (a) placing the atoms and molecules in the proper positions for the component parts and (b) arranging the component parts into the required hierarchical structure. Targeted functionality will open the door

  7. An Investigation of Primary School Teachers’ PCK towards Science Subjects Using an Inquiry-Based Approach

    Directory of Open Access Journals (Sweden)

    Menşure ALKIŞ KÜÇÜKAYDIN

    2016-09-01

    Full Text Available In this study, the pedagogical content knowledge (PCK of four experienced primary school teachers was investigated within the “Let’s Solve the Riddle of Our Body Unit”. The PCK investigation adopted a learning approach based on inquiry, content representation and pedagogical and professional-experience repertoires (PaP-eRs, and interview forms were used as data collection tools. During the course of the research, the findings obtained from observations made during a total of 18 course hours formed the basic data source of the study. According to the results of the study, in which descriptive and content analysis were used concurrently, primary school teachers lack subject matter knowledge, do not interrogate the pre-knowledge of students and some misconceptions exist regarding about blood moves and exercise with pulse. Additionally, some deficiencies were detected in the curriculum, i.e., it offers non-inquisitional knowledge. Furthermore, teachers employee assessment methods with traditional teaching methods and techniques. In the context of an inquiry-based learning approach, teachers appeared to believe that classroom activities were adversely affected by the physical conditions (class size, lack of laboratory etc., students’ cognitive levels and parent profiles. The result of this study revealed that PCK components affect one another. The PCK findings pertaining to primary school teachers as it concerns the unit are briefly discussed and some suggestions about the development of PCK are submitted.

  8. Does Variation in the Extent of Generalized Trust, Individual Education and Extensiveness of Social Security Policies Matter for Maximization of Subjective Well-Being?

    Science.gov (United States)

    Valeeva, Rania F.

    2016-01-01

    In this paper, I examine whether generalized trust and education, as well as social security policies of welfare state institutions matter for cross-national differences in subjective well-being (SWB), because knowledge on this issue is still lacking. For this purpose I integrated the insights of two sociological theories: Social Function…

  9. Middle-School Teachers' Understanding and Teaching of the Engineering Design Process: A Look at Subject Matter and Pedagogical Content Knowledge

    Science.gov (United States)

    Hynes, Morgan M.

    2012-01-01

    This paper reports on research investigating six middle school teachers without engineering degrees as they taught an engineering unit on the engineering design process. Videotaped classroom sessions and teacher interviews were analyzed to understand the subject matter and pedagogical content knowledge the teachers used and developed as they…

  10. The effect of productive classroom talk and metacommunication on young children's oral communicative competence and subject matter knowledge: An intervention study in early childhood education

    NARCIS (Netherlands)

    van der Veen, C.; de Mey, J.R.P.B.; van Kruistum, C.J.; van Oers, B.

    The aim of the present study was to investigate the effect of productive classroom talk and metacommunication on the development of young children's oral communicative competence and subject matter knowledge. This study can be characterized as a quasi-experimental study with a

  11. The Place of Subject Matter Knowledge in Pedagogical Content Knowledge: A Case Study of South African Teachers Teaching the Amount of Substance and Chemical Equilibrium

    Science.gov (United States)

    Rollnick, Marissa; Bennett, Judith; Rhemtula, Mariam; Dharsey, Nadine; Ndlovu, Thandi

    2008-01-01

    This paper presents two South African case studies designed to explore the influence of subject matter knowledge on pedagogical content knowledge (PCK). In the first case study on teaching the mole in two township schools, the findings illustrate that the participant teachers favoured procedural approaches at the expense of conceptual…

  12. White matter fibertracking in first-episode schizophrenia, schizoaffective patients and subjects at ultra-high risk of psychosis

    NARCIS (Netherlands)

    Peters, Bart D.; de Haan, Lieuwe; Dekker, Nienke; Blaas, Jorik; Becker, Hiske E.; Dingemans, Peter M.; Akkerman, Erik M.; Majoie, Charles B.; van Amelsvoort, Therèse; den Heeten, Gerard J.; Linszen, Don H.

    2008-01-01

    There is increasing evidence of white matter pathology in schizophrenia. The aim of this study was to examine whether white matter abnormalities found with diffusion tensor imaging (DTI) in previous schizophrenia studies are present in the early phase of the illness. DTI was performed at 3 T on 10

  13. Tract-specific analysis of white matter pathways in healthy subjects: a pilot study using diffusion tensor MRI

    Energy Technology Data Exchange (ETDEWEB)

    Yasmin, Hasina; Abe, Osamu; Nakata, Yasuhiro; Hayashi, Naoto; Masutani, Yoshitaka; Goto, Masami; Ohtomo, Kuni [University of Tokyo, Department of Radiology, Bunkyo-ku, Tokyo (Japan); Aoki, Shigeki [Juntendo University, Department of Radiology, Bunkyo-ku, Tokyo (Japan)

    2009-12-15

    To date, very scant data is available regarding normal diffusion properties of white matter (WM) fibers. The present study aimed to initiate the establishment of a database of normal diffusion tensor metrics of cerebral WM fibers, including the uncinate fasciculus (UF), posterior cingulum (PC), fornix, and corticospinal tract (CST) for healthy adults using tract-specific analysis by diffusion tensor tractography (DTT). We also attempted to clarify whether age and laterality exerted any effects on this study group. DTT of WM fibers were generated for 100 healthy subjects, then mean diffusivity (MD) and fractional anisotropy (FA) of the tracts were measured. Pearson correlation analysis was used to evaluate age relationships. Paired t testing was used to compare hemispheric asymmetry. Interobserver correlation tests were also performed. Our results showed FA values for UF (right, 0.42 {+-} 0.03; left, 0.40{+-}0.03), PC (0.51 {+-} 0.06, 0.52 {+-} 0.06), fornix (0.37 {+-} 0.06, 0.38 {+-} 0.06), CST (0.70 {+-} 0.06, 0.69 {+-} 0.07), and MD values for UF (0.81 {+-} 0.03, 0.82 {+-} 0.04), PC (0.72 {+-} 0.03, 0.72 {+-} 0.04), fornix (1.86 {+-} 0.32, 1.94 {+-} 0.37), and CST (0.72 {+-} 0.03, 0.74 {+-} 0.04). We identified a significant positive correlation between age and MD in the right UF and bilateral fornices, and a negative correlation between age and FA in bilateral fornices. Hemispheric asymmetry was observed in FA of UF (right > left) and MD of CST (left > right). The results constitute a normative dataset for diffusion parameters of four WM tracts that can be used to identify, characterize, and establish the significance of changes in diseases affecting specific tracts. (orig.)

  14. Transport and solubility of Hetero-disperse dry deposition particulate matter subject to urban source area rainfall-runoff processes

    Science.gov (United States)

    Ying, G.; Sansalone, J.

    2010-03-01

    SummaryWith respect to hydrologic processes, the impervious pavement interface significantly alters relationships between rainfall and runoff. Commensurate with alteration of hydrologic processes the pavement also facilitates transport and solubility of dry deposition particulate matter (PM) in runoff. This study examines dry depositional flux rates, granulometric modification by runoff transport, as well as generation of total dissolved solids (TDS), alkalinity and conductivity in source area runoff resulting from PM solubility. PM is collected from a paved source area transportation corridor (I-10) in Baton Rouge, Louisiana encompassing 17 dry deposition and 8 runoff events. The mass-based granulometric particle size distribution (PSD) is measured and modeled through a cumulative gamma function, while PM surface area distributions across the PSD follow a log-normal distribution. Dry deposition flux rates are modeled as separate first-order exponential functions of previous dry hours (PDH) for PM and suspended, settleable and sediment fractions. When trans-located from dry deposition into runoff, PSDs are modified, with a d50m decreasing from 331 to 14 μm after transport and 60 min of settling. Solubility experiments as a function of pH, contact time and particle size using source area rainfall generate constitutive models to reproduce pH, alkalinity, TDS and alkalinity for historical events. Equilibrium pH, alkalinity and TDS are strongly influenced by particle size and contact times. The constitutive leaching models are combined with measured PSDs from a series of rainfall-runoff events to demonstrate that the model results replicate alkalinity and TDS in runoff from the subject watershed. Results illustrate the granulometry of dry deposition PM, modification of PSDs along the drainage pathway, and the role of PM solubility for generation of TDS, alkalinity and conductivity in urban source area rainfall-runoff.

  15. Networking our science to characterize the state, vulnerabilities, and management opportunities of soil organic matter

    Energy Technology Data Exchange (ETDEWEB)

    Harden, Jennifer W. [Stanford Univ., Stanford, CA (United States); U.S. Geological Survey, Menlo Park, CA (United States); Hugelius, Gustaf [Stanford Univ., Stanford, CA (United States); Stockholm Univ., Stockholm (Sweden); Ahlstrom, Anders [Stanford Univ., Stanford, CA (United States); Department of Physical Geography and Ecosystem Science, Lund (Sweden); Blankinship, Joseph C. [Univ. of Arizona, Tucson, AZ (United States); Bond-Lamberty, Ben [Univ. of Maryland, College Park, MD (United States); Lawrence, Corey R. [U.S. Geological Survey, Denver, CO (United States); Loisel, Julie [Texas A & M Univ., College Station, TX (United States); Malhotra, Avni [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Jackson, Robert B. [Stanford Univ., Stanford, CA (United States); Ogle, Stephen [Colorado State Univ., Fort Collins, CO (United States); Phillips, Claire [USDA-ARS Forage Seed and Cereal Research Unit, Corvallis, OR (United States); Ryals, Rebecca [Univ. of Hawai' i at Manoa, Honolulu, HI (United States); Todd-Brown, Katherine [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Vargas, Rodrigo [Univ. of Delaware, Newark, DE (United States); Vergara, Sintana E. [Univ. of California, Berkeley, CA (United States); Cotrufo, M. Francesca [Colorado State Univ., Fort Collins, CO (United States); Keiluweit, Marco [Univ. of Massachusetts, Amherst, MA (United States); Heckman, Katherine A. [USDA Forest Service, Houghton, MI (United States); Crow, Susan E. [Univ. of Hawai' i at Manoa, Honolulu, HI (United States); Silver, Whendee L. [Univ. of California, Berkeley, CA (United States); DeLonge, Marcia [Union of Concerned Scientists, Washington, D.C. (United States); Nave, Lucas E. [Univ. of Michigan, Pellston, MI (United States)

    2017-10-05

    Here, soil organic matter supports the Earth’s ability to sustain terrestrial ecosystems, provide food and fiber, and retain the largest pool of actively cycling carbon (C). Over 75% of the soil organic carbon (SOC) in the top meter of soil is directly affected by human land use. Large land areas have lost SOC as a result of land use practices, yet there are compensatory opportunities to enhance land productivity and SOC storage in degraded lands through improved management practices. Large areas with and without intentional management are also being subjected to rapid changes in climate, making many SOC stocks vulnerable to losses by decomposition or disturbance. In order to quantify potential SOC losses or sequestration at field, regional, and global scales, measurements for detecting changes in SOC are needed. Such measurements and soil-management best practices should be based on well-established and emerging scientific understanding of processes of C stabilization and destabilization over various timescales, soil types, and spatial scales. As newly engaged members of the International Soil Carbon Network, we have identified gaps in data, modeling, and communication that underscore the need for an open, shared network to frame and guide the study of soil organic matter and C and their management for sustained production and climate regulation.

  16. Networking our science to characterize the state, vulnerabilities, and management opportunities of soil organic matter

    Energy Technology Data Exchange (ETDEWEB)

    Harden, Jennifer W.; Hugelius, Gustaf; Ahlstrom, Anders; Blankinship, Joseph; Bond-Lamberty, Benjamin; Lawrence, Corey; Loisel, Julie; Malhotra, Avni; Jackson, Robert B.; Ogle, S.M.; Phillips, Claire; Ryals, Rebecca; Todd-Brown, Katherine EO; Vargas, Rodrigo; Vergara, Sintana; Cotrufo, Francesca; Keiluweit, M.; Heckman, Katherine; Crow, Susan; Silver, Whendee; Delonge, Marcia; Nave, Lucas

    2018-02-01

    Over 75% of soil organic carbon (C) in the upper meter of earth’s terrestrial surface has been subjected to cropping, grazing, forestry, or urbanization. As a result, terrestrial C cycling cannot be studied out of land use context. Meanwhile, amendments by soil organic matter demonstrate reliable methodologies to restore and improve soils to a more productive state, therefore soil health and productivity cannot be understood without reference to soil C. Measurements for detecting changes in soil C are needed to constrain and monitor best practices and must reflect processes of C stabilization and destabilization over various timescales, soil types, and spatial scales in order to quantify C sequestration at regional to global scales. We have identified gaps in data, modeling, and communication that underscore the need for an open, shared network to frame and guide the study of soil carbon and its management for sustained production and climate regulation.

  17. Subject (of documents)

    DEFF Research Database (Denmark)

    Hjørland, Birger

    2017-01-01

    This article presents and discuss the concept “subject” or subject matter (of documents) as it has been examined in library and information science (LIS) for more than 100 years. Different theoretical positions are outlined and it is found that the most important distinction is between document......-oriented views versus request-oriented views. The document-oriented view conceive subject as something inherent in documents, whereas the request-oriented view (or the policy based view) understand subject as an attribution made to documents in order to facilitate certain uses of them. Related concepts...

  18. Teacher leadership in mathematics and science: Subject content knowledge and the improvement of instruction

    Science.gov (United States)

    Manno, Christopher M.

    This study explores the role of teacher leader subject content knowledge in the promotion of professional development and instructional reform. Consistent with a distributed leadership perspective, many have asserted that the promotion of school effectiveness can be enhanced through the application of teacher leadership (Frost & Durrant, 2003; Harris, 2002a; Sherrill, 1999; Silva, Gimbert, & Nolan, 2000; York-Barr & Duke, 2004). There has been much discussion in the research about the significance of teachers' subject content knowledge in teaching and learning which has generally asserted a positive relationship with instructional practice and student achievement (Darling-Hammond, 2000; Newton & Newton, 2001; Parker & Heywood, 2000). The role of content knowledge in teacher leader work has been less researched. This study focused on deepening understanding of perceptions regarding teacher leaders' roles in improving instructional practice. Based on a framework of common teacher leader tasks, qualitative methods were used to investigate the relationship between teacher leader subject content knowledge and perceptions of effectiveness in promoting professional development and instructional reform. The study indicates that content experts behave differently than their non-expert counterparts. Content experts recognize deficiencies in colleagues' content knowledge as a primary problem in the implementation of math or science reform. Content experts view their work as advocacy for improved curriculum and instruction for all children, and work within a small set of task categories to promote discussions about teaching, learning, and content. Content experts develop trust and rapport with colleagues by demonstrating expertise, and are respected for their deep knowledge and efforts to help teachers learn the content. They also differ from non-content experts in the professional growth experiences in which they engage. The consideration of content expertise as an influence

  19. Role of the Epistemic Subject in Piaget's Genetic Epistemology and Its Importance for Science Education.

    Science.gov (United States)

    Niaz, Mansoor

    1991-01-01

    Discusses differences between the epistemic and the psychological subject, the relationship between the epistemic subject and the ideal gas law, the development of general cognitive operations, and the empirical testability of Piaget's epistemic subject. (PR)

  20. Dissecting the Science of "Angels and Demons" or Antimatter and Other Matters (Vernon W. Hughes Memorial Lecture)

    Energy Technology Data Exchange (ETDEWEB)

    Gordon, Howard

    2009-05-27

    Howard Gordon, a physicist from the U.S. Department of Energy’s Brookhaven National Laboratory, and local educators will separate the science facts from the science fiction of “Angels & Demons,” a major motion picture based on Dan Brown’s best-selling novel. The film, which opens nationally in theaters today, focuses on a plot to destroy the Vatican using antimatter stolen from the Large Hadron Collider (LHC) at the European particle physics laboratory CERN. Speakers will explain the real science of the LHC, including antimatter – oppositely charged cousins of ordinary matter with intriguing properties.

  1. Dissecting the Science of 'Angels and Demons' or Antimatter and Other Matters (Vernon W. Hughes Memorial Lecture)

    International Nuclear Information System (INIS)

    Gordon, Howard

    2009-01-01

    Howard Gordon, a physicist from the U.S. Department of Energy's Brookhaven National Laboratory, and local educators will separate the science facts from the science fiction of 'Angels and Demons,' a major motion picture based on Dan Brown's best-selling novel. The film, which opens nationally in theaters today, focuses on a plot to destroy the Vatican using antimatter stolen from the Large Hadron Collider (LHC) at the European particle physics laboratory CERN. Speakers will explain the real science of the LHC, including antimatter - oppositely charged cousins of ordinary matter with intriguing properties.

  2. Enhancing Student Engagement to Positively Impact Mathematics Anxiety, Confidence and Achievement for Interdisciplinary Science Subjects

    Science.gov (United States)

    Everingham, Yvette L.; Gyuris, Emma; Connolly, Sean R.

    2017-01-01

    Contemporary science educators must equip their students with the knowledge and practical know-how to connect multiple disciplines like mathematics, computing and the natural sciences to gain a richer and deeper understanding of a scientific problem. However, many biology and earth science students are prejudiced against mathematics due to…

  3. A distributed model: redefining a robust research subject advocacy program at the Harvard Clinical and Translational Science Center.

    Science.gov (United States)

    Winkler, Sabune J; Cagliero, Enrico; Witte, Elizabeth; Bierer, Barbara E

    2014-08-01

    The Harvard Clinical and Translational Science Center ("Harvard Catalyst") Research Subject Advocacy (RSA) Program has reengineered subject advocacy, distributing the delivery of advocacy functions through a multi-institutional, central platform rather than vesting these roles and responsibilities in a single individual functioning as a subject advocate. The program is process-oriented and output-driven, drawing on the strengths of participating institutions to engage local stakeholders both in the protection of research subjects and in advocacy for subjects' rights. The program engages stakeholder communities in the collaborative development and distributed delivery of accessible and applicable educational programming and resources. The Harvard Catalyst RSA Program identifies, develops, and supports the sharing and distribution of expertise, education, and resources for the benefit of all institutions, with a particular focus on the frontline: research subjects, researchers, research coordinators, and research nurses. © 2014 Wiley Periodicals, Inc.

  4. A more randomly organized grey matter network is associated with deteriorating language and global cognition in individuals with subjective cognitive decline.

    Science.gov (United States)

    Verfaillie, Sander C J; Slot, Rosalinde E R; Dicks, Ellen; Prins, Niels D; Overbeek, Jozefien M; Teunissen, Charlotte E; Scheltens, Philip; Barkhof, Frederik; van der Flier, Wiesje M; Tijms, Betty M

    2018-03-30

    Grey matter network disruptions in Alzheimer's disease (AD) are associated with worse cognitive impairment cross-sectionally. Our aim was to investigate whether indications of a more random network organization are associated with longitudinal decline in specific cognitive functions in individuals with subjective cognitive decline (SCD). We included 231 individuals with SCD who had annually repeated neuropsychological assessment (3 ± 1 years; n = 646 neuropsychological investigations) available from the Amsterdam Dementia Cohort (54% male, age: 63 ± 9, MMSE: 28 ± 2). Single-subject grey matter networks were extracted from baseline 3D-T1 MRI scans and we computed basic network (size, degree, connectivity density) and higher-order (path length, clustering, betweenness centrality, normalized path length [lambda] and normalized clustering [gamma]) parameters at whole brain and/or regional levels. We tested associations of network parameters with baseline and annual cognition (memory, attention, executive functioning, language composite scores, and global cognition [all domains with MMSE]) using linear mixed models, adjusted for age, sex, education, scanner and total gray matter volume. Lower network size was associated with steeper decline in language (β ± SE = 0.12 ± 0.05, p organized grey matter network was associated with a steeper decline of cognitive functioning, possibly indicating the start of cognitive impairment. © 2018 The Authors Human Brain Mapping Published by Wiley Periodicals, Inc.

  5. READINESS Of ELEMENTARY SCHOOL TEACHERS IN IMPLEMENTING CHARACTERS INTEGRATED LEARNING IN THE SCIENCE SUBJECT

    Directory of Open Access Journals (Sweden)

    N. Hindarto

    2015-01-01

    Full Text Available Many problems that arise in today's society are rooted in the issue of morality as a result of the marginalization of the values of character. To solve this problem, need to be enforced the values of good character on every member of the community, and the proper way is through the educational process, including through education in schools ranging from elementary education to higher education. To find out whether the teachers in elementary schools are ready to take this work, the research conducted to determine the readiness of teachers and the problems associated with its implementation. Through a questionnaire calculated in descriptive percentage on a sample of elementary school teachers who are spread in Semarang, Semarang District and Temanggung, it can be concluded that in teachers’ view it is very important to integrate the learning of characters in the lesson. However, they need guidance /examples to develop learning model with its features, which integrate the values of the characters in the science subject.Banyak persoalan yang timbul di masyarakat dewasa ini berakar pada persoalan moralitas sebagai akibat terpinggirkannya nilai-nilai karakter, Untuk mengatasi persoalan ini, perlu ditegakkan lagi nilai nilai karakter yang baik pada setiap anggota masyarakat, dan cara yang tepat adalah melalui proses pendidikan, di antaranya melalui pendidikan di sekolah mulai dari pendidikan dasar sampai pendidikan tinggi. Untuk mengetahui apakah para guru pada Sekolah Dasar siap mengemban tugas ini, maka diadakan penelitian untuk mengetahui kesiapan para guru dan masalah-masalah yang terkait dengan pelaksanaannya. Melalui angket yang kemudian diolah secara deskriptive persentasi pada sampel guru SD yang tersebar di Kota Semarang, Kabupaten Semarang dan Kabupaten Temanggung, dapat diketahui bahwa para guru menganggap sangat penting untuk mengintegrasikan pembelajaran karakter dalam matapelajaran IPA. Namun demikian mereka membutuhkan bimbingan

  6. The politics of the self: psychological science and bourgeois subjectivity in 19th century Spain

    Directory of Open Access Journals (Sweden)

    Novella, Enric J.

    2010-12-01

    Full Text Available This paper offers an analysis of the process of institutionalization of psychological knowledge in Spain following the educative reforms implemented during the second third of the 19th century, which prescribed its inclusion in the curricular program of the new secondary education. After a detailed examination of the theoretical orientation, the ideological assumptions and the sociopolitical connections of the contents transmitted to the students throughout the century, its militant spiritualism is interpreted as a highly significant attempt on the part of the liberal elites to articulate a pedagogy of subjectivity intended to counteract the trends toward reduction, naturalization and fragmentation of psychic life inherent to the development of modern science.

    En este artículo se ofrece un análisis del proceso de institucionalización del conocimiento psicológico en España por obra de las reformas educativas implementadas durante el segundo tercio del siglo XIX, que prescribieron su inclusión en el programa curricular de la nueva educación secundaria. Tras un examen detenido de la orientación doctrinal, los supuestos ideológicos y la filiación sociopolítica de los contenidos transmitidos a los alumnos durante la mayor parte de la centuria, se interpreta su espiritualismo militante como un intento muy significativo por parte de las élites liberales de articular una pedagogía de la subjetividad destinada a contrarrestar las tendencias de reducción, naturalización y fragmentación del psiquismo alentadas por el desarrollo de la ciencia moderna.

  7. Matters of Fact: Language, Science, and the Status of Truth in Late Colonial Korea

    Directory of Open Access Journals (Sweden)

    Christopher P. Hanscom

    2014-03-01

    Full Text Available This article addresses the status of the fact in literary and historical discourses in late colonial Korea, focusing on the elaboration of the relationship between scientific and literary truths primarily in the work of philosopher and critic Sŏ Insik (1906–?. It points to a growing tendency in late 1930s and early 1940s Korea to question the veracity of the fact (or of empiricism more broadly in an environment where the enunciation of the colonial subject had been rendered problematic and objective statements had arguably lost their connection with social reality. In a period when the relationship between signifier and referent had come into question, how did this major critic understand the relationship between science and literature, or between truth and subjectivity? Sŏ warns against a simplistic apprehension of the notion of truth as unilaterally equivalent with what he calls “scientific truth” (kwahakchŏk chilli—a nomological truth based on objective observation and confirmation by universal principles—and argues that a necessary complement to apparently objective truth is “literary truth” (munhakchŏk chinsil. Against the fixed, conceptual form of scientific thought, literary truth presents itself as an experiential truth that returns to the sensory world of the sociolinguistic subject (chuch’e as a source of credibility.

  8. Common Core State Standards for Literacy in History/Social Studies, Science, and Technical Subjects for English Language Learners

    Science.gov (United States)

    de Oliveira, Luciana C., Ed.

    2016-01-01

    This volume in the Common Core State Standards (CCSS) for English Language Learners series was designed to deepen teacher's knowledge and provides instructional approaches and practices for supporting grades 6-12 ELLs as they meet the ambitious expectations of the CCSS for Literacy in History/Social Studies, Science, and Technical Subjects. This…

  9. Interest of Grade Ten Students toward Physics among Other Science Subjects, Case of Wolaita Soddo Town Governmental Secondary Schools, Ethiopia

    Science.gov (United States)

    Hamelo, Shewangzaw

    2016-01-01

    This paper has proposed to investigate the interest in students towards physics among other science subjects. The investigation was carried out with 490 samples of grade ten students in Wolaita Soddo town governmental schools. Thus, overall result indicates that the interest in students towards physics is low and students hate to learn physics in…

  10. The operationalization of "fields" as WoS subject categories (WCs) in evaluative bibliometrics: The cases of "library and information science" and "science & technology studies"

    NARCIS (Netherlands)

    Leydesdorff, L.; Bornmann, L.

    Normalization of citation scores using reference sets based on Web of Science subject categories (WCs) has become an established (“best”) practice in evaluative bibliometrics. For example, the Times Higher Education World University Rankings are, among other things, based on this operationalization.

  11. Task value profiles across subjects and aspirations to physical and IT-related sciences in the United States and Finland.

    Science.gov (United States)

    Chow, Angela; Eccles, Jacquelynne S; Salmela-Aro, Katariina

    2012-11-01

    Two independent studies were conducted to extend previous research by examining the associations between task value priority patterns across school subjects and aspirations toward the physical and information technology- (IT-) related sciences. Study 1 measured task values of a sample of 10th graders in the United States (N = 249) across (a) physics and chemistry, (b) math, and (c) English. Study 2 measured task values of a sample of students in the second year of high school in Finland (N = 351) across (a) math and science, (b) Finnish, and (c) the arts and physical education. In both studies, students were classified into groups according to how they ranked math and science in relation to the other subjects. Regression analyses indicated that task value group membership significantly predicted subsequent aspirations toward physical and IT-related sciences measured 1-2 years later. The task value groups who placed the highest priority on math and science were significantly more likely to aspire to physical and IT-related sciences than were the other groups. These findings provide support for the theoretical assumption regarding the predictive role of intraindividual hierarchical patterns of task values for subsequent preferences and choices suggested by the Eccles [Parsons] (1983) expectancy-value model.

  12. The Implementation of APIQ Creative Mathematics Game Method in the Subject Matter of Greatest Common Factor and Least Common Multiple in Elementary School

    Science.gov (United States)

    Rahman, Abdul; Saleh Ahmar, Ansari; Arifin, A. Nurani M.; Upu, Hamzah; Mulbar, Usman; Alimuddin; Arsyad, Nurdin; Ruslan; Rusli; Djadir; Sutamrin; Hamda; Minggi, Ilham; Awi; Zaki, Ahmad; Ahmad, Asdar; Ihsan, Hisyam

    2018-01-01

    One of causal factors for uninterested feeling of the students in learning mathematics is a monotonous learning method, like in traditional learning method. One of the ways for motivating students to learn mathematics is by implementing APIQ (Aritmetika Plus Intelegensi Quantum) creative mathematics game method. The purposes of this research are (1) to describe students’ responses toward the implementation of APIQ creative mathematics game method on the subject matter of Greatest Common Factor (GCF) and Least Common Multiple (LCM) and (2) to find out whether by implementing this method, the student’s learning completeness will improve or not. Based on the results of this research, it is shown that the responses of the students toward the implementation of APIQ creative mathematics game method in the subject matters of GCF and LCM were good. It is seen in the percentage of the responses were between 76-100%. (2) The implementation of APIQ creative mathematics game method on the subject matters of GCF and LCM improved the students’ learning.

  13. Gray matter changes in subjects at high risk for developing psychosis and first-episode schizophrenia: a voxel-based structural MRI study

    Directory of Open Access Journals (Sweden)

    Kazue eNakamura

    2013-03-01

    Full Text Available Objectives: The aim of the present study was to use a voxel-based MRI method to investigate the neuroanatomical characteristics in subjects at high risk of developing psychosis compared with those of healthy controls and first-episode schizophrenia patients. Methods: This study included 14 subjects with at-risk mental state (ARMS, 34 patients with first-episode schizophrenia, and 51 healthy controls. We used voxel-based morphometry (VBM with the Diffeomorphic Anatomical Registration Through Exponentiated Lie Algebra (DARTEL tools to investigate the whole-brain difference in gray matter volume among the three groups. Results: Compared with the healthy controls, the schizophrenia patients showed significant gray matter reduction in the left anterior cingulate gyrus. There was no significant difference in the gray matter volume between the ARMS and other groups. Conclusion: The present study suggests that alteration of the anterior cingulate gyrus may be associated with development of frank psychosis. Further studies with a larger ARMS subjects would be required to examine the potential role of neuroimaging methods in the prediction of future transition into psychosis.

  14. Promoting autonomous learning in English through the implementation of Content and Language Integrated Learning (CLIL in science and maths subjects

    Directory of Open Access Journals (Sweden)

    Andriani Putu Fika

    2018-01-01

    Full Text Available Autonomous learning is a concept in which the learner has the ability to take charge of their own learning. It becomes a notable aspect that should be perceived by students. The aim of this research is for finding out the strategies used by grade two teachers in Bali Kiddy Primary School to promote autonomous learning in English through the implementation of Content and Language Integrated Learning in science and maths subjects. This study was designed in the form of descriptive qualitative study. The data were collected through observation, interview, and document study. The result of the study shows that there are some strategies of promoting autonomous learning in English through the implementation of CLIL in Science and Maths subjects. Those strategies are table of content training, questioning & presenting, journal writing, choosing activities, and using online activity. Those strategies can be adopted or even adapted as the way to promote autonomous learning in English subject.

  15. Survey of keyword adjustment of published articles medical subject headings in journal of mazandaran university of medical sciences (2009-2010).

    Science.gov (United States)

    Kabirzadeh, Azar; Siamian, Hasan; Abadi, Ebrahim Bagherian Farah; Saravi, Benyamin Mohseni

    2013-01-01

    NONE DECLARED. Keywords are the most important tools for Information retrieval. They are usually used for retrieval of articles based on contents of information reserved from printed and electronic resources. Retrieval of appropriate keywords from Medical Subject Headings (MeSH) can impact with exact, correctness and short time on information retrieval. Regarding the above mentioned matters, this study was done to compare the Latin keywords was in the articles published in the Journal of Mazandaran University of Medical Sciences. This is a descriptive study. The data were extracted from the key words of Englsih abstracts of articles published in the years 2009-2010 in the Journal of Mazandaran University of Medical Sciences by census method. Checklist of data collection is designed, based on research objectives and literature review which has face validity. Compliance rate in this study was to determine if the keywords cited in this article as a full subject of the main subject headings in a MeSH (Bold and the selected word) is a perfect adjustment. If keywords were cited in the article but the main heading is not discussed in the following main topics to be discussed with reference to See and See related it has considered has partial adjustment. Out of 148 articles published in 12 issues in proposed time of studying, 72 research papers were analyzed. The average numbers of authors in each article were 4 ± 1. Results showed that most of specialty papers 42 (58. 4%), belonging to the (Department of Clinical Sciences) School of Medicine, 11 (15.3%) Basic Science, 6(8.4%) Pharmacy, Nursing and Midwifery 5(6.9%), 4(5.5%) Health, paramedical Sciences 3(4.2%), and non medical article 1(1.3%) school of medicine. In general, results showed that 80 (30%) of key words have been used to complete the adjustment. Also, only 1(1.4%) had complete adjustment with all the MeSH key words and in 8 articles(11.4%) key words of had no adjustment with MeSH. The results showed that only

  16. The validation of science virtual test to assess 7th grade students’ critical thinking on matter and heat topic (SVT-MH)

    Science.gov (United States)

    Sya’bandari, Y.; Firman, H.; Rusyati, L.

    2018-05-01

    The method used in this research was descriptive research for profiling the validation of SVT-MH to measure students’ critical thinking on matter and heat topic in junior high school. The subject is junior high school students of 7th grade (13 years old) while science teacher and expert as the validators. The instruments that used as a tool to obtain the data are rubric expert judgment (content, media, education) and rubric of readability test. There are four steps to validate SVT-MH in 7th grade Junior High School. These steps are analysis of core competence and basic competence based on Curriculum 2013, expert judgment (content, media, education), readability test and trial test (limited and larger trial test). The instrument validation resulted 30 items that represent 8 elements and 21 sub-elements to measure students’ critical thinking based on Inch in matter and heat topic. The alpha Cronbach (α) is 0.642 which means that the instrument is sufficient to measure students’ critical thinking matter and heat topic.

  17. Teachers Perspective of Using English as a Medium of Instruction in Mathematics and Science Subjects

    Science.gov (United States)

    Mansor, Norudin; Badarudin, Mohamed Ishak; Mat, Azman Che

    2011-01-01

    The policy of changing the medium of instruction in the teaching of mathematics and science from Bahasa Melayu to English is an important innovation affecting teachers of mathematics and science. It poses special challenges not only for teachers who have been trained in the Malay medium but also for those trained in English. This investigation…

  18. Science for the Home: New Products Tackle Such Weighty Subjects as Immunology, Chemistry.

    Science.gov (United States)

    Mace, Scott

    1984-01-01

    Discusses trends in science software for home and educational use. Examples of software on various science topics are provided, including packages which revolve around such television shows as "Nova" and "Voyage of the Mimi" and those produced by the Human Engineering Software. (JN)

  19. Neoliberal Ideology, Global Capitalism, and Science Education: Engaging the Question of Subjectivity

    Science.gov (United States)

    Bazzul, Jesse

    2012-01-01

    This paper attempts to add to the multifaceted discussion concerning neoliberalism and globalization out of two Cultural Studies of Science Education journal issues along with the recent Journal of Research in Science Teaching devoted to these topics. However, confronting the phenomena of globalization and neoliberalism will demand greater…

  20. A Study of Subject Overlap between the Main Categories of Knowledge Management within the Web of Science

    Directory of Open Access Journals (Sweden)

    Afsaneh Hazeri

    2015-09-01

    Full Text Available Although a relatively new discipline, Knowledge Management (KM is an area with a wide range of theoretical concepts and practical implications. The applicability of KM in different environments, and the vast value and benefits of its application, have led to great developments within the discipline over the last few years. The interdisciplinary nature of KM has also provided the opportunity for contributions by people from different disciplines, which in turn has lead to the rapid advancement of KM boundaries. This paper aims to examine the subject structure of the KM discipline through keyword analysis of documents in the Web of Science, using a hierarchical clustering approach and an inclusion index. Within the Web of Science categories, according to the findings, the three categories of "Management", "Computer Science Information Systems" and "Information Science Library Science" claim the highest number of documents in this area. Of 5570 author keywords, , 96 keywords are identified as "highly used" keywords. Three hierarchical clusters (dendrograms are formed from co-occurrence analysis of highly used keywords in the three categories. A comparison of these denrograms indicates that six clusters, including a total of 16 keywords, are common in the three categories. Looking at clusters of the three categories revealed that two categories - Management and Information Science Library Science - have 14 common/shared clusters, and therefore the highest degree of similarities. However, the category of Computer Science Information Systems, with 28 unique clusters, differs most markedly from the other two categories. To investigate the rate of common keywords from one category to another, the inclusion index is calculated. Results of this exercise indicate that the category of Information Science Library Science has the highest number of common keywords.

  1. Crowd science : it is not just a matter of time (or funding)

    NARCIS (Netherlands)

    Vasileiadou, E.

    2015-01-01

    Citizen science, or crowd science, or volunteer science, has increased in the last 4–5 years, with an accompanying increase in the literature. The main argument in such literature is that citizen science has many advantages, not only for scientists and the science that is produced, but also for the

  2. Networking our science to characterize the state, vulnerabilities, and management opportunities of soil organic matter

    Science.gov (United States)

    Harden, Jennifer W.; Hugelius, Gustaf; Ahlström, Anders; Blankinship, Joseph C.; Bond-Lamberty, Ben; Lawrence, Corey; Loisel, Julie; Malhotra, Avni; Jackson, Robert B.; Ogle, Stephen M.; Phillips, Claire; Ryals, Rebecca; Todd-Brown, Katherine; Vargas, Rodrigo; Vergara, Sintana E.; Cotrufo, M. Francesca; Keiluweit, Marco; Heckman, Katherine; Crow, Susan E.; Silver, Whendee L.; DeLonge, Marcia; Nave, Lucas E.

    2018-01-01

    Soil organic matter (SOM) supports the Earth's ability to sustain terrestrial ecosystems, provide food and fiber, and retains the largest pool of actively cycling carbon. Over 75% of the soil organic carbon (SOC) in the top meter of soil is directly affected by human land use. Large land areas have lost SOC as a result of land use practices, yet there are compensatory opportunities to enhance productivity and SOC storage in degraded lands through improved management practices. Large areas with and without intentional management are also being subjected to rapid changes in climate, making many SOC stocks vulnerable to losses by decomposition or disturbance. In order to quantify potential SOC losses or sequestration at field, regional, and global scales, measurements for detecting changes in SOC are needed. Such measurements and soil-management best practices should be based on well established and emerging scientific understanding of processes of C stabilization and destabilization over various timescales, soil types, and spatial scales. As newly engaged members of the International Soil Carbon Network, we have identified gaps in data, modeling, and communication that underscore the need for an open, shared network to frame and guide the study of SOM and SOC and their management for sustained production and climate regulation.

  3. Being in a romantic relationship is associated with reduced gray matter density in striatum and increased subjective happiness

    OpenAIRE

    Hiroaki Kawamichi; Hiroaki Kawamichi; Hiroaki Kawamichi; Sho K Sugawara; Yuki H Hamano; Yuki H Hamano; Kai Makita; Masahiro Matsunaga; Hiroki C Tanabe; Yuichi Ogino; Shigeru Saito; Norihiro Sadato; Norihiro Sadato

    2016-01-01

    Romantic relationship, a widespread feature of human society, is one of the most influential factors in daily life. Although stimuli related to romantic love or being in a romantic relationship commonly result in enhancement of activation or functional connectivity of the reward system, including the striatum, the structure underlying romantic relationship-related regions remain unclear. Because individual experiences can alter gray matter within the adult human brain, we hypothesized that ro...

  4. Being in a Romantic Relationship Is Associated with Reduced Gray Matter Density in Striatum and Increased Subjective Happiness

    OpenAIRE

    Kawamichi, Hiroaki; Sugawara, Sho K.; Hamano, Yuki H.; Makita, Kai; Matsunaga, Masahiro; Tanabe, Hiroki C.; Ogino, Yuichi; Saito, Shigeru; Sadato, Norihiro

    2016-01-01

    Romantic relationship, a widespread feature of human society, is one of the most influential factors in daily life. Although stimuli related to romantic love or being in a romantic relationship commonly result in enhancement of activation or functional connectivity of the reward system, including the striatum, the structure underlying romantic relationship-related regions remain unclear. Because individual experiences can alter gray matter within the adult human brain, we hypothesized that ro...

  5. The development of guided inquiry-based learning devices on photosynthesis and respiration matter to train science literacy skills

    Science.gov (United States)

    Choirunnisak; Ibrahim, M.; Yuliani

    2018-01-01

    The purpose of this research was to develop a guided inquiry-based learning devices on photosynthesis and respiration matter that are feasible (valid, practical, and effective) to train students’ science literacy. This research used 4D development model and tested on 15 students of biology education 2016 the State University of Surabaya with using one group pretest-posttest design. Learning devices developed include (a) Semester Lesson Plan (b) Lecture Schedule, (c) Student Activity Sheet, (d) Student Textbook, and (e) testability of science literacy. Research data obtained through validation method, observation, test, and questionnaire. The results were analyzed descriptively quantitative and qualitative. The ability of science literacy was analyzed by n-gain. The results of this research showed that (a) learning devices that developed was categorically very valid, (b) learning activities performed very well, (c) student’s science literacy skills improved that was a category as moderate, and (d) students responses were very positively to the learning that already held. Based on the results of the analysis and discussion, it is concluded that the development of guided inquiry-based learning devices on photosynthesis and respiration matter was feasible to train students literacy science skills.

  6. Research Groups & Research Subjects - RED | LSDB Archive [Life Science Database Archive metadata

    Lifescience Database Archive (English)

    Full Text Available rch Groups & Research Subjects Data detail Data name Research Groups & Research Sub... Number of data entries 174 entries Data item Description Research ID Research ID (Subject number) Institute...tion Download License Update History of This Database Site Policy | Contact Us Research Groups & Research Subjects - RED | LSDB Archive ... ...switchLanguage; BLAST Search Image Search Home About Archive Update History Data List Contact us RED Resea... Organization Section Section (Department) User name User name Experimental title Experimental title (Rese

  7. Solid Matter

    CERN Document Server

    Angelo, Joseph A

    2011-01-01

    Supported by a generous quantity of full-color illustrations and interesting sidebars, Solid Matter introduces the basic characteristics and properties of solid matter. It briefly describes the cosmic connection of the elements, leading readers through several key events in human pre-history that resulted in more advanced uses of matter in the solid state. Chapters include:. -Solid Matter: An Initial Perspective. -Physical Behavior of Matter. -The Gravity of Matter. -Fundamentals of Materials Science. -Rocks and Minerals. -Metals. -Building Materials. -Carbon Earth's Most Versatile Element. -S

  8. UK Library and Information Science Research is Having a Significant Influence on Research in Other Subject Disciplines

    Directory of Open Access Journals (Sweden)

    Mathew Lee Stone

    2014-04-01

    Full Text Available Objective – To quantify the value of librarianship and information science (LIS exports knowledge to other subject disciplines. Design – Bibliometric study. Setting – LIS departments in U.K. universities. Subjects – 232 LIS research articles published between 2001 and 2007. Methods – Data from the 2008 U.K. Research Assessment Exercise were checked to identify 405 research articles submitted by 10 selected university departments (out of a total of 21, which submitted research in the LIS category. The Web of Science database was then searched to see how many of these articles had been cited in other articles (n=232. If the citing article was published in a non-LIS journal it was considered a knowledge export. Journals were defined as non-LIS if they had not been assigned the subject category of Information Science & Library Science by the Journal of Citation Reports. The journal Impact Factors (IFs of citing journals were then normalized to measure the value of individual knowledge exports to their respective subject disciplines. This was done by comparing a citing journal’s IF with the median journal IF within that subject category. If the citing journal’s IF was above this median it was considered to be a valuable knowledge export. Main Results – The sample of LIS research articles produced a total of 1,061 knowledge exports in 444 unique non-LIS journals. These non-LIS journals covered 146 unique subject categories of which those related to computer science and chemistry/pharmacology cited LIS research with the greatest frequency. Just over three-quarters (n=798 of these citations were considered to be valuable knowledge exports. A sub-analysis showed that LIS articles published in non-LIS journals were significantly more valuable than the knowledge exports published in LIS journals. Conclusion – The validity of bibliometric studies can be improved by adopting the two methodological innovations presented in this study. The

  9. Knowledge, language and subjectivities in a discourse community: Ideas we can learn from elementary children about science

    Science.gov (United States)

    Kurth, Lori Ann

    2000-10-01

    In light of continuing poor performance by American students in school science, feminists and sociocultural researchers have demonstrated that we need to look beyond content to address the science needs of all school children. In this study I examined issues of discourse norms, knowledge, language and subjectivities (meaning personal and social observations and characteristics) in elementary science. Over a two-year period, I used an interpretive methodological approach to investigate science experiences in two first-second and second grade classrooms. I first established some of the norms and characteristics of the discourse communities through case studies of new students attempting to gain entry to whole class conversations. I then examined knowledge, a central focus of science education addressed by a variety of theoretical approaches. In these classrooms students co-constructed and built knowledge in their whole class science conversations sometimes following convergent (similar knowledge) and, at other times, divergent (differing knowledge) paths allowing for broader discourse. In both paths, there was gendered construction of knowledge in which same gender students elaborated the reasoning of previous speakers. In conjunction with these analyses, I examined what knowledge sources the students used in their science conversations. Students drew on a variety of informal and formal knowledge sources including personal experiences, other students, abstract logic and thought experiments, all of which were considered valid. In using sources from both in and out of school, students' knowledge bases were broader than traditional scientific content giving greater access and richness to their conversations. The next analysis focused on students' use of narrative and paradigmatic language forms in the whole class science conversations. Traditionally, only paradigmatic language forms have been used in science classrooms. The students in this study used both narrative and

  10. Deep Underground Science and Engineering Lab: S1 Dark Matter Working Group

    International Nuclear Information System (INIS)

    Akerib, Daniel S.; Aprile, E.; Baltz, E.A.; Dragowsky, M.R.; Gaitskell, R.J.; Gondolo, P.; Hime, A.; Martoff, C.J.; Mei, D.-M.; Nelson, H.; Sadoulet, B.; Schnee, R.W.; Sonnenschein, A.H.; Strigari, L.E.

    2006-01-01

    The discovery of dark matter is of fundamental importance to cosmology, astrophysics, and elementary particle physics. A broad range of observations from the rotation speed of stars in ordinary galaxies to the gravitational lensing of superclusters tell us that 80-90% of the matter in the universe is in some new form, different from ordinary particles, that does not emit or absorb light. Cosmological observations, especially the Wilkinson Microwave Anisotropy Probe of the cosmic microwave background radiation, have provided spectacular confirmation of the astrophysical evidence. The resulting picture, the so-called ''Standard Cosmology'', finds that a quarter of the energy density of the universe is dark matter and most of the remainder is dark energy. A basic foundation of the model, Big Bang Nucleonsynthesis (BBN), tells us that at most about 5% is made of ordinary matter, or baryons. The solution to this ''dark matter problem'' may therefore lie in the existence of some new form of non-baryonic matter. With ideas on these new forms coming from elementary particle physics, the solution is likely to have broad and profound implications for cosmology, astrophysics, and fundamental interactions. While non-baryonic dark matter is a key component of the cosmos and the most abundant form of matter in the Universe, so far it has revealed itself only through gravitational effects--determining its nature is one of the greatest scientific issues of our time. Many potential new forms of matter that lie beyond the Standard Model of strong and electroweak interactions have been suggested as dark matter candidates, but none has yet been produced in the laboratory. One possibility is that the dark matter is comprised of Weakly Interacting Massive Particles, or WIMPs, that were produced moments after the Big Bang from collisions of ordinary matter. WIMPs refer to a general class of particles characterized primarily by a mass and annihilation cross section that would allow them

  11. Crowd science : it is not just a matter of time (or funding)

    NARCIS (Netherlands)

    Vasileiadou, E.

    2014-01-01

    The last years, citizen science, or crowd science, has increased tremendously, both in number of projects, and number of participants. Most literature on crowd science focuses on its advantages, for both scientists, and the participating citizens. The challenges of crowd science come mainly from

  12. Science and the Rebuilding of the "Rational Subject" in 1980s China

    Institute of Scientific and Technical Information of China (English)

    PI Kyunghoon

    2016-01-01

    Throughout the history of modern and contemporary China,the concept of "science" maintains a crucial significance.Since the May Fourth period,"science" represented the advanced civilization and culture of the West Because of its critical role,quarrels over the question of science were abundant in China in the years after the Cultural Revolution,notably in the "debates on humanism and science" (kexue lunzheng).Following that,scientific Marxism,which is based on natural dialectics,surpassed other discourses to become of dominated importance to the intellectual discourses of post-Mao China.Scientific Marxism was considered the highest form of truth in revolutionary China,when transcendental truth reigned supreme.Following the Cultural Revolution,intellectuals embracing scientific thought sought to locate "another science" with which to replace scientific Marxism.Addressing an understudied yet crucial aspect of 1980s intellectual history,this paper explores the central ideas and discourses of scientism in this historical moment,as well as the intellectuals who took part in its construction and controversy.

  13. Electronic Grey Literature in Accelerator Science and Its Allied Subjects : Selected Web Resources for Scientists and Engineers

    CERN Document Server

    Rajendiran, P

    2006-01-01

    Grey literature Web resources in the field of accelerator science and its allied subjects are collected for the scientists and engineers of RRCAT (Raja Ramanna Centre for Advanced Technology). For definition purposes the different types of grey literature are described. The Web resources collected and compiled in this article (with an overview and link for each) specifically focus on technical reports, preprints or e-prints, which meet the main information needs of RRCAT users.

  14. Bibliometric analysis of Spanish scientific publications in the subject Construction & Building Technology in Web of Science database (1997-2008)

    OpenAIRE

    Rojas-Sola, J. I.; de San-Antonio-Gómez, C.

    2010-01-01

    In this paper the publications from Spanish institutions listed in the journals of the Construction & Building Technology subject of Web of Science database for the period 1997- 2008 are analyzed. The number of journals in whose is published is 35 and the number of articles was 760 (Article or Review). Also a bibliometric assessment has done and we propose two new parameters: Weighted Impact Factor and Relative Impact Factor; also includes the number of citations and the number documents ...

  15. Human Subjects Protection and Technology in Prevention Science: Selected Opportunities and Challenges

    OpenAIRE

    Pisani, Anthony R.; Wyman, Peter A.; Mohr, David C.; Perrino, Tatiana; Gallo, Carlos; Villamar, Juan; Kendziora, Kimberly; Howe, George W.; Sloboda, Zili; Brown, C. Hendricks

    2016-01-01

    Internet-connected devices are changing the way people live, work, and relate to one another. For prevention scientists, technological advances create opportunities to promote the welfare of human subjects and society. The challenge is to obtain the benefits while minimizing risks. In this article, we use the guiding principles for ethical human subjects research and proposed changes to the Common Rule regulations, as a basis for discussing selected opportunities and challenges that new techn...

  16. US Medical Student Performance on the NBME Subject Examination in Internal Medicine: Do Clerkship Sequence and Clerkship Length Matter?

    Science.gov (United States)

    Ouyang, Wenli; Cuddy, Monica M; Swanson, David B

    2015-09-01

    Prior to graduation, US medical students are required to complete clinical clerkship rotations, most commonly in the specialty areas of family medicine, internal medicine, obstetrics and gynecology (ob/gyn), pediatrics, psychiatry, and surgery. Within a school, the sequence in which students complete these clerkships varies. In addition, the length of these rotations varies, both within a school for different clerkships and between schools for the same clerkship. The present study investigated the effects of clerkship sequence and length on performance on the National Board of Medical Examiner's subject examination in internal medicine. The study sample included 16,091 students from 67 US Liaison Committee on Medical Education (LCME)-accredited medical schools who graduated in 2012 or 2013. Student-level measures included first-attempt internal medicine subject examination scores, first-attempt USMLE Step 1 scores, and five dichotomous variables capturing whether or not students completed rotations in family medicine, ob/gyn, pediatrics, psychiatry, and surgery prior to taking the internal medicine rotation. School-level measures included clerkship length and average Step 1 score. Multilevel models with students nested in schools were estimated with internal medicine subject examination scores as the dependent measure. Step 1 scores and the five dichotomous variables were treated as student-level predictors. Internal medicine clerkship length and average Step 1 score were used to predict school-to-school variation in average internal medicine subject examination scores. Completion of rotations in surgery, pediatrics and family medicine prior to taking the internal medicine examination significantly improved scores, with the largest benefit observed for surgery (coefficient = 1.58 points; p value internal medicine subject examination performance. At the school level, longer internal medicine clerkships were associated with higher scores on the internal medicine

  17. Grade 6 Science Curriculum Specifications.

    Science.gov (United States)

    Alberta Dept. of Education, Edmonton. Curriculum Branch.

    This material describes curriculum specifications for grade 6 science in Alberta. Emphases recommended are: (1) process skills (50%); (2) psychomotor skills (10%); (3) attitudes (10%); and (4) subject matter (30%). Priorities within each category are identified. (YP)

  18. Mathematics and language skills and the choice of science subjects in secondary education

    NARCIS (Netherlands)

    Uerz, D.C.; Dekkers, H.P.J.M.; Béguin, A.A.

    2004-01-01

    A growing shortage of technical and science graduates means that the question of determinants of differences in performance and choices in that field based, among other things, on social background characteristics (gender, socioeconomic status, ethnic origin, family composition) remains a topical

  19. Evaluating a Professional Development Programme for Implementation of a Multidisciplinary Science Subject

    NARCIS (Netherlands)

    Visser, Talitha Christine; Coenders, Ferdinand G.M.; Terlouw, C.; Pieters, Julius Marie

    2013-01-01

    This study aims to evaluate a professional development programme that prepares and assists teachers with the implementation of a multidisciplinary science module, basing the evaluation on participants’ reactions, the first level of Guskey’s five-level model for evaluation (2002). Positive

  20. Cooperative Learning and Learning Achievement in Social Science Subjects for Sociable Students

    Science.gov (United States)

    Herpratiwi; Darsono; Sasmiati; Pujiyatli

    2018-01-01

    Purpose: The research objective was to compare students' learning achievement for sociable learning motivation students in social science (IPS) using cooperative learning. Research Methods: This research used a quasi-experimental method with a pre-test/post-test design involving 35 fifth-grade students. The learning process was conducted four…

  1. From Object to Subject: Hybrid Identities of Indigenous Women in Science

    Science.gov (United States)

    McKinley, Elizabeth

    2008-01-01

    The use of hybridity today suggests a less coherent, unified and directed process than that found in the Enlightenment science's cultural imperialism, but regardless of this neither concept exists outside power and inequality. Hence, hybridity raises the question of the terms of the mixture and the conditions of mixing. Cultural hybridity produced…

  2. Making Science Matter: Collaborations between Informal Science Education Organizations and Schools. A CAISE Inquiry Group Report. Executive Summary

    Science.gov (United States)

    Center for Advancement of Informal Science Education, 2010

    2010-01-01

    Throughout the world, and for many decades, science-rich cultural institutions, such as zoos, aquaria, museums, and others, have collaborated with schools to provide students, teachers and families with opportunities to expand their experiences and understanding of science. However, these collaborations have generally failed to institutionalize:…

  3. How a Deweyan Science Education Further Enables Ethics Education

    Science.gov (United States)

    Webster, Scott

    2008-01-01

    This paper questions the perceived divide between "science" subject matter and "moral" or "ethical" subject matter. A difficulty that this assumed divide produces is that science teachers often feel that there needs to be "special treatment" given to certain issues which are of an ethical or moral nature and which are "brought into" the science…

  4. Phenomenology as a potential methodology for subjective knowing in science education research

    OpenAIRE

    Koopman, Oscar

    2015-01-01

    This paper charts the journey that led to the author's discovery of phenomenology as a potential research methodology in the field of science education, and describes the impact on his own thinking and approach of his encounters with the work of Husserl and Heidegger, Merleau-Ponty and Van Manen. Drawing on this theoretical framework, the author argues that, as a methodology for investigating scientific thinking in relation to life experience, learning and curriculum design, phenomenology not...

  5. Why Understanding Science Matters: The IES Research Guidelines as a Case in Point

    Science.gov (United States)

    Rudolph, John L.

    2014-01-01

    The author outlines the rise of a hard-science model advocated by the Institute for Education Sciences, including the application of research and development approaches to education following the Second World War, and describes the attraction of these hard-science approaches for education policymakers. He notes that in the face of complex and…

  6. Investigation of Psychophysiological and Subjective Effects of Long Working Hours – Do Age and Hearing Impairment Matter?

    Science.gov (United States)

    Wagner-Hartl, Verena; Kallus, K. Wolfgang

    2018-01-01

    Following current prognosis, demographic development raises expectations of an aging of the working population. Therefore, keeping employees healthy and strengthening their ability to work, becomes more and more important. When employees become older, dealing with age-related impairments of sensory functions, such as hearing impairment, is a central issue. Recent evidence suggests that negative effects that are associated with reduced hearing can have a strong impact at work. Especially under exhausting working situations such as working overtime hours, age and hearing impairment might influence employees’ well-being. Until now, neither the problem of aged workers and long working hours, nor the problem of hearing impairment and prolonged working time has been addressed explicitly. Therefore, a laboratory study was examined to answer the research question: Do age and hearing impairment have an impact on psychophysiological and subjective effects of long working hours. In total, 51 white-collar workers, aged between 24 and 63 years, participated in the laboratory study. The results show no significant effects for age and hearing impairment on the intensity of subjective consequences (perceived recovery and fatigue, subjective emotional well-being and physical symptoms) of long working hours. However, the psychophysiological response (the saliva cortisol level) to long working hours differs significantly between hearing impaired and normal hearing employees. Interestingly, the results suggest that from a psychophysiological point of view long working hours were more demanding for normal hearing employees. PMID:29379452

  7. Investigation of Psychophysiological and Subjective Effects of Long Working Hours – Do Age and Hearing Impairment Matter?

    Directory of Open Access Journals (Sweden)

    Verena Wagner-Hartl

    2018-01-01

    Full Text Available Following current prognosis, demographic development raises expectations of an aging of the working population. Therefore, keeping employees healthy and strengthening their ability to work, becomes more and more important. When employees become older, dealing with age-related impairments of sensory functions, such as hearing impairment, is a central issue. Recent evidence suggests that negative effects that are associated with reduced hearing can have a strong impact at work. Especially under exhausting working situations such as working overtime hours, age and hearing impairment might influence employees’ well-being. Until now, neither the problem of aged workers and long working hours, nor the problem of hearing impairment and prolonged working time has been addressed explicitly. Therefore, a laboratory study was examined to answer the research question: Do age and hearing impairment have an impact on psychophysiological and subjective effects of long working hours. In total, 51 white-collar workers, aged between 24 and 63 years, participated in the laboratory study. The results show no significant effects for age and hearing impairment on the intensity of subjective consequences (perceived recovery and fatigue, subjective emotional well-being and physical symptoms of long working hours. However, the psychophysiological response (the saliva cortisol level to long working hours differs significantly between hearing impaired and normal hearing employees. Interestingly, the results suggest that from a psychophysiological point of view long working hours were more demanding for normal hearing employees.

  8. A Subject Librarian's Guide to Collaborating on E-Science Projects

    Science.gov (United States)

    Garritano, Jeremy R.; Carlson, Jake R.

    2009-01-01

    For liaison or subject librarians, entering into the emerging area of providing researchers with data services or partnering with them on cyberinfrastructure projects can be a daunting task. This article will provide some advice as to what to expect and how providing data services can be folded into other liaison duties. New skills for librarians…

  9. Enhancing the "Science" in Elementary Science Methods: A Collaborative Effort between Science Education and Entomology.

    Science.gov (United States)

    Boardman, Leigh Ann; Zembal-Saul, Carla; Frazier, Maryann; Appel, Heidi; Weiss, Robinne

    Teachers' subject matter knowledge is a particularly important issue in science education in that it influences instructional practices across subject areas and at different grade levels. This paper provides an overview of efforts to develop a unique elementary science methods course and related field experience through a partnership between…

  10. Features of the Subject Domain of Historical Psychology

    OpenAIRE

    V A Koltsova

    2008-01-01

    The known psychologist, the author of a number of important works on methodology of psychological science as a whole and historical psychology, in particular, considers pressing matters of the formation of historical psychology. Her attention is drawn to such matters, as the subject, structure and method of arising intersubject branch of knowledge - historical psychology.

  11. Analysis of the Importance of Subjects to Improve the Educational Curriculum in the Radiological Science: Focused on Radiological Technologists

    International Nuclear Information System (INIS)

    Kim, Jung Hoon; Ko, Seong Jin; Kang, Se Sik; Kim, Dong Hyun; Kim, Chang Soo

    2012-01-01

    In this study a group of experts and clinical radiological technologists were surveyed to evaluate the clinical importance of current subjects in the radiological sciences. For the data collection and analysis, an open-ended questionnaire was distributed to the group of experts, and a multiple choice questionnaire was distributed to radiological technologists. Subjects were classified into 9 groups for analysis of the importance of subjects, and in regard to the questionnaire design for measurement of variables, departments and type of hospital were set up as independent variables, and the 9 groups of subjects were set up as dependent variables. As a result, clinical radiological technologists perceived Diagnostic Imaging Technology and practical courses, including general radiography, CT and MRI, as the most clinically necessary subjects, and the group of experts placed most weight on basic courses for the major. The result of this study suggests that the curriculum should be revised in a way that combines theory and practice in order to foster radiological technologists capable of adapting to the rapidly changing healthcare environment.

  12. Existing knowledge in science and technology as subject of judicial establishment of facts

    Energy Technology Data Exchange (ETDEWEB)

    Czajika, D.

    1982-02-01

    The problems facing administrative courts in determining 'existing knowledge in science and technology' (No. 3 of paragraph 2 of sect. 7 of the Atomic Energy Law) cannot be solved by limiting the judicial establishment of facts. According to established law, in procedural or substantive law there is no foundation for doing so. Limits to this establishment of facts do result from the nature of the scientific process of understanding, which very often allows but the establishment of 'margins' pertaining to scientific opinions.

  13. Tracing "Ethical Subjectivities" in Science Education: How Biology Textbooks Can Frame Ethico-Political Choices for Students

    Science.gov (United States)

    Bazzul, Jesse

    2015-02-01

    This article describes how biology textbooks can work to discursively constitute a particular kind of "ethical subjectivity." Not only do textbooks constrain the possibilities for thought and action regarding ethical issues, they also require a certain kind of "subject" to partake in ethical exercises and questions. This study looks at how ethical questions/exercises found in four Ontario textbooks require students and teachers to think and act along specific lines. These include making ethical decisions within a legal-juridical frame; deciding what kinds of research should be publically funded; optimizing personal and population health; and regulation through policy and legislation. While engaging ethical issues in these ways is useful, educators should also question the kinds of (ethical) subjectivities that are partially constituted by discourses of science education. If science education is going to address twenty-first century problems such as climate change and social inequality, educators need to address how the possibilities for ethical engagement afforded to students work to constitute specific kinds of "ethical actors."

  14. Compliance with National Ethics Requirements for Human-Subject Research in Non-biomedical Sciences in Brazil: A Changing Culture?

    Science.gov (United States)

    de Albuquerque Rocha, Karina; Vasconcelos, Sonia M R

    2018-02-06

    Ethics regulation for human-subject research (HSR) has been established for about 20 years in Brazil. However, compliance with this regulation is controversial for non-biomedical sciences, particularly for human and social sciences (HSS), the source of a recent debate at the National Commission for Research Ethics. We hypothesized that for these fields, formal requirements for compliance with HSR regulation in graduate programs, responsible for the greatest share of Brazilian science, would be small in number. We analyzed institutional documents (collected from June 2014 to May 2015) from 171 graduate programs at six prestigious Brazilian universities in São Paulo and Rio de Janeiro, the states that fund most of the science conducted in Brazil. Among these programs, 149 were in HSS. The results suggest that non-compliance with standard regulation seems to be the rule in most of these programs. The data may reflect not only a resistance from scientists in these fields to comply with standard regulations for ethics in HSR but also a disciplinary tradition that seems prevalent when it comes to research ethics in HSR. However, recent encounters between Brazilian biomedical and non-biomedical scientists for debates over ethics in HSR point to a changing culture in the approach to research ethics in the country.

  15. Defining the Relationship of Student Achievement Between STEM Subjects Through Canonical Correlation Analysis of 2011 Trends in International Mathematics and Science Study (TIMSS) Data

    Science.gov (United States)

    O'Neal, Melissa Jean

    Canonical correlation analysis was used to analyze data from Trends in International Mathematics and Science Study (TIMSS) 2011 achievement databases encompassing information from fourth/eighth grades. Student achievement in life science/biology was correlated with achievement in mathematics and other sciences across three analytical areas: mathematics and science student performance, achievement in cognitive domains, and achievement in content domains. Strong correlations between student achievement in life science/biology with achievement in mathematics and overall science occurred for both high- and low-performing education systems. Hence, partial emphases on the inter-subject connections did not always lead to a better student learning outcome in STEM education. In addition, student achievement in life science/biology was positively correlated with achievement in mathematics and science cognitive domains; these patterns held true for correlations of life science/biology with mathematics as well as other sciences. The importance of linking student learning experiences between and within STEM domains to support high performance on TIMSS assessments was indicated by correlations of moderate strength (57 TIMSS assessments was indicated by correlations of moderate strength (57 mathematics, and other sciences. At the eighth grade level, students who built increasing levels of cognitive complexity upon firm foundations were prepared for successful learning throughout their educational careers. The results from this investigation promote a holistic design of school learning opportunities to improve student achievement in life science/biology and other science, technology, engineering, and mathematics (STEM) subjects at the elementary and middle school levels. While the curriculum can vary from combined STEM subjects to separated mathematics or science courses, both professional learning communities (PLC) for teachers and problem-based learning (PBL) for learners can be

  16. 76 FR 36951 - In the Matter of Animal Cloning Sciences, Inc. (n/k/a Bancorp Energy, Inc.): Order of Suspension...

    Science.gov (United States)

    2011-06-23

    ... SECURITIES AND EXCHANGE COMMISSION [File No. 500-1] In the Matter of Animal Cloning Sciences, Inc. (n/k/a Bancorp Energy, Inc.): Order of Suspension of Trading June 21, 2011. It appears to the... securities of Animal Cloning Sciences, Inc. (n/k/a Bancorp Energy, Inc.) because it has not filed any...

  17. Up-to-date subject matter of world research in the field of materials for power plants

    International Nuclear Information System (INIS)

    Kozlowski, R.H.

    1998-01-01

    New approach to the problem of composition of present-day materials, which are working in high temperatures assumes that their microstructure becomes a subject of analysis-not an object-as it was before. Nowadays many industrial and university laboratories deal with these problems, individually or in the cooperation, in framework of the different types of projects, financed by the international organizations. In the report, research realized over the last 20 years in USA, Europe and japan have been reviewed. This research focused on the working in high temperatures steels as a constructional materials for pipes and other units of the power plants. According to the newest achievement in this domain we could expect that the ferritic and ferro-martensitic alloy steels will become new generation of the high-temperature creep-resisting steels (author)

  18. What matters to the rich and the poor? Subjective well-being, financial satisfaction, and postmaterialist needs across the world.

    Science.gov (United States)

    Ng, Weiting; Diener, Ed

    2014-08-01

    This study explored the importance of financial satisfaction versus postmaterialist needs for subjective well-being (SWB). Using the Gallup World Poll, we examined whether financial satisfaction and postmaterialist needs (pertaining to autonomy, social support, and respect) were universal predictors of the different components of SWB across the world, and whether their effects were moderated by national affluence. Results showed that financial satisfaction was the strongest predictor of life evaluation, whereas respect was the strongest predictor of positive feelings. Both measures predicted negative feelings to some extent. Multilevel analyses also revealed moderating effects of societal wealth. The association between financial satisfaction and SWB and that between postmaterialist needs and SWB were stronger in richer nations compared with poorer ones. This suggests that developed economies should continue to focus on both material and psychological aspects, and not disregard economic gains, as both measures are essential to well-being.

  19. Energy matters: An investigation of drama pedagogy in the science classroom

    Science.gov (United States)

    Alrutz, Megan

    The purpose of this study is to explore and document how informal and improvisational drama techniques affect student learning in the science classroom. While implementing a drama-based science unit, I examined multiple notions of learning, including, but not limited to, traditional notions of achievement, student understanding, student participation in the science classroom, and student engagement with, and knowledge of, science content. Employing an interpretivist research methodology, as outlined by Fredrick Erickson for qualitative analysis in the classroom, I collected data through personal observations; student and teacher interviews; written, artistic and performed class work; video-recorded class work; written tests; and questionnaires. In analyzing the data, I found strong support for student engagement during drama-based science instruction. The drama-based lessons provided structures that drew students into lessons, created enthusiasm for the science curriculum, and encouraged meaningful engagement with, and connections to, the science content, including the application and synthesis of science concepts and skills. By making student contributions essential to each of the lessons, and by challenging students to justify, explain, and clarify their understandings within a dramatic scenario, the classroom facilitators created a conducive learning environment that included both support for student ideas and intellectual rigor. The integration of drama-based pedagogy most affected student access to science learning and content. Students' participation levels, as well as their interest in both science and drama, increased during this drama-based science unit. In addition, the drama-based lessons accommodated multiple learning styles and interests, improving students' access to science content and perceptions of their learning experience and abilities. Finally, while the drama-based science lessons provided multiple opportunities for solidifying understanding of

  20. Learning environments matter: Identifying influences on the motivation to learn science

    Directory of Open Access Journals (Sweden)

    Salomé Schulze

    2015-05-01

    Full Text Available In the light of the poor academic achievement in science by secondary school students in South Africa, students' motivation for science learning should be enhanced. It is argued that this can only be achieved with insight into which motivational factors to target, with due consideration of the diversity in schools. The study therefore explored the impact of six motivational factors for science learning in a sample of 380 Grade Nine boys and girls from three racial groups, in both public and independent schools. The students completed the Student Motivation for Science Learning questionnaire. Significant differences were identified between different groups and school types. The study is important for identifying the key role of achievement goals, science learning values and science self-efficacies. The main finding emphasises the significant role played by science teachers in motivating students for science in terms of the learning environments that they create. This has important implications for future research, aimed at a better understanding of these environments. Such insights are needed to promote scientific literacy among the school students, and so contribute to the improvement of science achievement in South Africa.

  1. Dark Matter

    International Nuclear Information System (INIS)

    Holt, S. S.; Bennett, C. L.

    1995-01-01

    These proceedings represent papers presented at the Astrophysics conference in Maryland, organized by NASA Goddard Space Flight Center and the University of Maryland. The topics covered included low mass stars as dark matter, dark matter in galaxies and clusters, cosmic microwave background anisotropy, cold and hot dark matter, and the large scale distribution and motions of galaxies. There were eighty five papers presented. Out of these, 10 have been abstracted for the Energy Science and Technology database

  2. The Union of Spirit and Matter: Science, Consciousness, and a Life Divine

    Directory of Open Access Journals (Sweden)

    Lynda Lester

    2011-06-01

    Full Text Available The once unbridgeable chasm between spirit and matter is closing. While the scientific method and scientific materialism have brought untold benefits to humanity, quantum physics has changed our view of matter as solid, objective, and obvious to a view that is more complex and which includes the possibility that consciousness has a part in manifesting reality. This shift mirrors Sri Aurobindo’s integral philosophy, which states that the universe is a manifestation of consciousness. This manifestation occurs through a process of involution followed by evolution, the next step of which is the emergence of a suprahumanity whose native state of consciousness will be supramental. Interestingly, some of Mother Mirra Alfassa’s experiences in bringing supramental consciousness into her body bear similarities to the discoveries of quantum physics. Unlike previous spiritual realizations, the supramental realization has the power to unify spirit and matter and usher in a life divine on earth.

  3. W. E. B. Du Bois at the center: from science, civil rights movement, to Black Lives Matter.

    Science.gov (United States)

    Morris, Aldon

    2017-03-01

    I am honoured to present the 2016 British Journal of Sociology Annual Lecture at the London School of Economics. My lecture is based on ideas derived from my new book, The Scholar Denied: W.E.B. Du Bois and the Birth of Modern Sociology. In this essay I make three arguments. First, W.E.B. Du Bois and his Atlanta School of Sociology pioneered scientific sociology in the United States. Second, Du Bois pioneered a public sociology that creatively combined sociology and activism. Finally, Du Bois pioneered a politically engaged social science relevant for contemporary political struggles including the contemporary Black Lives Matter movement. © London School of Economics and Political Science 2017.

  4. Subjectivity and Reflexivity in the Social Sciences: Epistemic Windows and Methodical Consequences

    Directory of Open Access Journals (Sweden)

    Franz Breuer

    2003-05-01

    Full Text Available We sketch four basic epistemological assumptions that imply a constructionist orientation to knowledge including (a perspectivity, positionality; (b horizonality, dynamic observer position; (c the structuring of knowledge through instruments of knowledge production; and (d interactivity and interventionist nature of research. Although social scientists often adopt a constructionist epistemology to frame their research object, the methodological consequences of such an epistemology for the production of social scientific knowledge are not normally drawn. Instead of dealing with the four assumptions as a productive epistemic window, many researchers exhibit a defensive tendency and continue the quest for objectivity in their own writing. We propose a different methodological position conceptualized in the dialectic of the always embodied, individual, and social researcher-in-interaction. Beginning with the concept of a decentered (self- observation we develop the idea of the reflexive nature that relates the epistemic subject and object. We propose a way systematizing methodological considerations and procedures that follows the research process, beginning with the identification of a research topic to the final presentation of the results. The contributions to the two present FQS volumes on "Subjectivity and Reflexivity in Qualitative Research" provide answers and possible solutions to the questions and problems raised in this introduction. URN: urn:nbn:de:0114-fqs0302258

  5. Learning, awareness, and instruction: subjective contingency awareness does matter in the colour-word contingency learning paradigm.

    Science.gov (United States)

    Schmidt, James R; De Houwer, Jan

    2012-12-01

    In three experiments, each of a set colour-unrelated distracting words was presented most often in a particular target print colour (e.g., "month" most often in red). In Experiment 1, half of the participants were told the word-colour contingencies in advance (instructed) and half were not (control). The instructed group showed a larger learning effect. This instruction effect was fully explained by increases in subjective awareness with instruction. In Experiment 2, contingency instructions were again given, but no contingencies were actually present. Although many participants claimed to be aware of these (non-existent) contingencies, they did not produce an instructed contingency effect. In Experiment 3, half of the participants were given contingency instructions that did not correspond to the correct contingencies. Participants with these false instructions learned the actual contingencies worse than controls. Collectively, our results suggest that conscious contingency knowledge might play a moderating role in the strength of implicit learning. Copyright © 2012 Elsevier Inc. All rights reserved.

  6. Cross-national differences in the gender gap in subjective health in Europe: does country-level gender equality matter?

    Science.gov (United States)

    Dahlin, Johanna; Härkönen, Juho

    2013-12-01

    Multiple studies have found that women report being in worse health despite living longer. Gender gaps vary cross-nationally, but relatively little is known about the causes of comparative differences. Existing literature is inconclusive as to whether gender gaps in health are smaller in more gender equal societies. We analyze gender gaps in self-rated health (SRH) and limiting longstanding illness (LLI) with five waves of European Social Survey data for 191,104 respondents from 28 countries. We use means, odds ratios, logistic regressions, and multilevel random slopes logistic regressions. Gender gaps in subjective health vary visibly across Europe. In many countries (especially in Eastern and Southern Europe), women report distinctly worse health, while in others (such as Estonia, Finland, and Great Britain) there are small or no differences. Logistic regressions ran separately for each country revealed that individual-level socioeconomic and demographic variables explain a majority of these gaps in some countries, but contribute little to their understanding in most countries. In yet other countries, men had worse health when these variables were controlled for. Cross-national variation in the gender gaps exists after accounting for individual-level factors. Against expectations, the remaining gaps are not systematically related to societal-level gender inequality in the multilevel analyses. Our findings stress persistent cross-national variability in gender gaps in health and call for further analysis. Copyright © 2013 Elsevier Ltd. All rights reserved.

  7. The CoRe of the Matter: Developing Primary Teachers' Professional Knowledge in Science

    Science.gov (United States)

    Hume, Anne

    2016-01-01

    In an educational landscape of primary teachers' underdeveloped professional knowledge and low feelings of self-efficacy around science teaching, the prospects for science losing status in the primary school curriculum seems grim. This paper reports positive findings from a New Zealand research project designed to support and enhance primary…

  8. Implementation Science: Why It Matters for the Future of Social Work

    Science.gov (United States)

    Cabassa, Leopoldo J.

    2016-01-01

    Bridging the gap between research and practice is a critical frontier for the future of social work. Integrating implementation science into social work can advance our profession's effort to bring research and practice closer together. Implementation science examines the factors, processes, and strategies that influence the uptake, use, and…

  9. ACCOUNTING AND CONTROL AS SCIENCES AND ACADEMIC SUBJECTS IN ACCOUNTING AND ANALYTICAL EDUCATION

    Directory of Open Access Journals (Sweden)

    V. Shvets

    2014-09-01

    Full Text Available The knowledge of accounting and control, analysis and audit as the main instruments of cognition and management functions is an integral part of economic education, science and practice and requires improving the training of the accounting personnel in accordance with the requirements of public administration and development of global information systems of business. Real European integration processes require high qualifications and competence of the teaching staff, the development of scientific schools, intellectualization of preparation of masters and PhDs based on the traditions of patriotism, democracy and self-sufficiency. We must form a new set of modern disciplines and economic specialties and optimize the network for universities on the basis of convergent-integrative structures (clusters in education on principles of transparency and openness. The priority should be the principle of continuity of professional and analytical accounting education for business managers and civil servants. Practical implementation of the Law of Ukraine "On Higher Education" and the principles of the Bologna Declaration while training specialists in accounting and auditing will somehow harmonize national education, improve and keep elements of own competitive advantages and enrich them by the best achievements of the world practice.

  10. Transmedia Storytelling in Science Communication: One Subject, Multiple Media, Multiple Stories

    Science.gov (United States)

    Unger, M.; Moloney, K.

    2012-12-01

    Each communication medium has particular storytelling strengths. For example, video is particularly good at illustrating a progression of events, text at background and context, and games at describing systems. In what USC's Prof. Henry Jenkins described as "transmedia storytelling," multiple media are used simultaneously, in an expansive rather than repetitive way, to better tell a single, complex story. The audience is given multiple entry points to the story, and the story is exposed to diverse and dispersed audiences, ultimately engaging a broader public. We will examine the effectiveness of a transmedia approach to communicating scientific and other complex concepts to a broad and diverse audience. Using the recently developed Educational Visitor Center at the NCAR-Wyoming Supercomputing Center as a case study, we will evaluate the reach of various means of presenting information about the geosciences, climate change and computational science. These will include an assessment of video, mechanical and digital interactive elements, animated movie segments, web-based content, photography, scientific visualizations, printed material and docent-led activities.

  11. Methods That Matter: Integrating Mixed Methods for More Effective Social Science Research

    Science.gov (United States)

    Hay, M. Cameron, Ed.

    2016-01-01

    To do research that really makes a difference--the authors of this book argue--social scientists need questions and methods that reflect the complexity of the world. Bringing together a consortium of voices across a variety of fields, "Methods that Matter" offers compelling and successful examples of mixed methods research that do just…

  12. Gaseous Matter

    CERN Document Server

    Angelo, Joseph A

    2011-01-01

    aseous Matter focuses on the many important discoveries that led to the scientific interpretation of matter in the gaseous state. This new, full-color resource describes the basic characteristics and properties of several important gases, including air, hydrogen, helium, oxygen, and nitrogen. The nature and scope of the science of fluids is discussed in great detail, highlighting the most important scientific principles upon which the field is based. Chapters include:. Gaseous Matter An Initial Perspective. Physical Characteristics of Gases. The Rise of the Science of Gases. Kinetic Theory of

  13. OCCIPITAL SOURCES OF RESTING STATE ALPHA RHYTHMS ARE RELATED TO LOCAL GRAY MATTER DENSITY IN SUBJECTS WITH AMNESIC MILD COGNITIVE IMPAIRMENT AND ALZHEIMER’S DISEASE

    Science.gov (United States)

    Claudio, Babiloni; Claudio, Del Percio; Marina, Boccardi; Roberta, Lizio; Susanna, Lopez; Filippo, Carducci; Nicola, Marzano; Andrea, Soricelli; Raffaele, Ferri; Ivano, Triggiani Antonio; Annapaola, Prestia; Serenella, Salinari; Rasser Paul, E; Erol, Basar; Francesco, Famà; Flavio, Nobili; Görsev, Yener; Durusu, Emek-Savaş Derya; Gesualdo, Loreto; Ciro, Mundi; Thompson Paul, M; Rossini Paolo, M.; Frisoni Giovanni, B

    2014-01-01

    Occipital sources of resting state electroencephalographic (EEG) alpha rhythms are abnormal, at the group level, in patients with amnesic mild cognitive impairment (MCI) and Alzheimer’s disease (AD). Here we evaluated the hypothesis that amplitude of these occipital sources is related to neurodegeneration in occipital lobe as measured by magnetic resonance imaging (MRI). Resting-state eyes-closed EEG rhythms were recorded in 45 healthy elderly (Nold), 100 MCI, and 90 AD subjects. Neurodegeneration of occipital lobe was indexed by weighted averages of gray matter density (GMD), estimated from structural MRIs. EEG rhythms of interest were alpha 1 (8–10.5 Hz) and alpha 2 (10.5–13 Hz). EEG cortical sources were estimated by low resolution brain electromagnetic tomography (LORETA). Results showed a positive correlation between occipital GMD and amplitude of occipital alpha 1 sources in Nold, MCI and AD subjects as a whole group (r=0.3, p=0.000004, N=235). Furthermore, there was a positive correlation between amplitude of occipital alpha 1 sources and cognitive status as revealed by Mini Mental State Evaluation (MMSE) score across all subjects (r=0.38, p=0.000001, N=235). Finally, amplitude of occipital alpha 1 sources allowed a moderate classification of individual Nold and AD subjects (sensitivity: 87.8%; specificity: 66.7%; area under the Receiver Operating Characteristic (ROC) curve: 0.81). These results suggest that the amplitude of occipital sources of resting state alpha rhythms is related to AD neurodegeneration in occipital lobe along pathological aging. PMID:25442118

  14. Molecule Matters

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 16; Issue 12. Molecule Matters - Dinitrogen. A G Samuelson J Jabadurai. Volume 16 Issue 12 ... Author Affiliations. A G Samuelson1 J Jabadurai1. Department of Inroganic and Physical Chemistry, Indian Institute of Science, Bangalore 560 012, India.

  15. What are the constituents of matter? an essay concerning the ontological side of science

    CERN Document Server

    Kaufman, Alfred

    2016-01-01

    This essay seeks to understand just what it is that modern science tells us about nature. For the longest time the story told by science appeared to be fully reflective of our common experience: nature was discovered as a collection of reciprocally influencing objects governed by laws which were consistent with that experience. And then, about a hundred years ago, the story suddenly became obscure. Science introduced into nature quantum objects which were supposed to look nothing like anything we had ever seen before and the laws governing them no longer appeared to make much sense to us. Thereafter, what science told us about nature was no longer quite as clear. This shift in the story is conspicuous and bespeaks of an earlier moment in the development of science when the project might have inadvertently taken a step which would eventually make her strange. The essay suggests that the scientific community had in fact made a fateful decision which inevitably led it to the strangeness of quantum mechanics and ...

  16. Bodies, hearts, and minds: Why emotions matter to historians of science and medicine.

    Science.gov (United States)

    Alberti, Fay Bound

    2009-12-01

    The histories of emotion address many fundamental themes of science and medicine. These include the ways the body and its workings have been historically observed and measured, the rise of the mind sciences, and the anthropological analyses by which "ways of knowing" are culturally situated. Yet such histories bring their own challenges, not least in how historians of science and medicine view the relationship between bodies, minds, and emotions. This essay explores some of the methodological challenges of emotion history, using the sudden death of the surgeon John Hunter from cardiac disease as a case study. It argues that we need to let go of many of our modem assumptions about the origin of emotions, and "brainhood", that dominate discussions of identity, in order to explore the historical meanings of emotions as products of the body as well as the mind.

  17. The effect of the 4MAT learning model on the achievement and motivation of 7th grade students on the subject of particulate nature of matter and an examination of student opinions on the model

    Science.gov (United States)

    Aktas, İdris; Bılgın, İbrahim

    2015-01-01

    Background:Many researchers agree that students, especially primary students, have learning difficulties on the 'Particulate Nature of Matter' unit. One reason for this difficulty is not considering individual differences for teaching science. In 4MAT model learning, environment is arranged according to individual differences. Purpose:The purpose of this study is to examine (1) the effects of the 4MAT learning model on the7th grade students' academic achievement and motivation on the 'Particulate Nature of Matter' unit and (2) identify student opinions on the 4MAT model. Sample:The sample consists of 235 students (115 experimental, 120 control) in Turkey. Design and methods:Experimental groups were instructed with the 4MAT model while control groups were instructed with a traditional method. Achievement Test (AchToM) and Motivation Scale (MotScl) were administered to students as pre- and post-tests. Moreover, the opinions of students in the experimental groups on the 4MAT model were ascertained through open-ended questions after the application. Results:According to independent t-test results, statistical difference in favour of the experimental groups was detected between the post-AchToM (ES = 1.43; p motivation and participation in the lesson, lessons are more amusing and enjoyable, and the self-confidence of the students increases. Besides these positive opinions, however, a few students stated that the method took too much time, they were not motivated and it did not help them in understanding the subject. Conclusions:The 4MAT model is more effective than traditional method in terms of increasing achievement and motivation. The model takes all learners into account. Thus, the teacher or educator should use the 4MAT model to ensure all students' learning in their classroom.

  18. The non-linear dynamics of vortices subjected to correlated and ...

    Indian Academy of Sciences (India)

    Understanding the dynamics of vortex matter subjected to random and .... The authors thank the support provided by a joint grant (USIF-funds) from the ... of Naval Research and the Department of Science and Technology, Government of India ...

  19. Schools That Make a Difference to Post-Compulsory Uptake of Physical Science Subjects: Some comparative case studies in England

    Science.gov (United States)

    Bennett, Judith; Lubben, Fred; Hampden-Thompson, Gillian

    2013-03-01

    This paper presents the findings of the qualitative component of a combined methods research study that explores a range of individual and school factors that influence the uptake of chemistry and physics in post-compulsory study in England. The first phase involves using the National Pupil Database to provide a sampling frame to identify four matched pairs of high-uptake and low-uptake schools by salient school factors. Case studies of these eight schools indicate that students employ selection strategies related to their career aspirations, their sense of identity and tactics, and their prior experience. The school factors influencing subject choice relate to school management, student support and guidance, and student empowerment. The most notable differences between students in high-uptake and low-uptake schools are that students in high-uptake schools appear to make a proactive choice in relation to career aspirations, rather than a reactive choice on the basis of past experience. Schools with a high uptake offer a diverse science curriculum in the final two years of compulsory study, set higher examination entry requirements for further study and, crucially, provide a range of opportunities for students to interact with the world of work and to gain knowledge and experience of science-related careers.

  20. Voice Matters: Buffering the Impact of a Negative Climate for Women in Science

    Science.gov (United States)

    Settles, Isis H.; Cortina, Lilia M.; Stewart, Abigail J.; Malley, Janet

    2007-01-01

    The current study examined whether women scientists' perceptions of voice moderate the impact of poor workplace climates on job satisfaction and whether effective leadership and mentoring promote women's voice. Survey data were collected from 135 faculty women in the natural sciences. The results from multiple regression analyses indicated that…

  1. Doing Science That Matters to Address India'sWater Crisis

    Indian Academy of Sciences (India)

    India is one of the most water stressedcountries in the world. However, despiteappreciable increase in funding for waterresearch, high quality science that is usableby stakeholders remains elusive. I arguethat this can be attributed to the absenceof research on questions that actuallymatter to stakeholders, unwillingnessto ...

  2. [A political matter: science and ideology in the 21st century].

    Science.gov (United States)

    Wahrig, Bettina

    2010-06-01

    In the last two decades, history of science and science studies have been quite reluctant to adopt the notion of ideology when analyzing the dynamics of science. This may be an effect of the decreasing popularity of neo-marxist approaches within this disciplinary field; but it is also due to the fact that alternative approaches have been developed, for example Michel Foucault's notion of problematization, Roland Barthes' semiotic mythology, Bruno Latour's re-interpretation of the ontological difference between fact and fetish in science, or Donna Haraway's semi-fictional re-narrations of the techno-scientific world. This contribution undertakes to sketch the impact of two strands of 19th century immanentism on the authors named above, and on their use of concepts related to the notion of ideology, namely fetish, fetishism, myth and mythology respectively. It is argued that in some respect, Marx' concept of commodity fetishism is worth being re-examined, since it articulates a dialectical relation of 'reality' and 'seeming', and its impact on Barthes' mythology is deeper than it might appear at first glance.

  3. Family Matters: Familial Support and Science Identity Formation for African American Female STEM Majors

    Science.gov (United States)

    Parker, Ashley Dawn

    2013-01-01

    This research seeks to understand the experiences of African American female undergraduates in STEM. It investigates how familial factors and science identity formation characteristics influence persistence in STEM while considering the duality of African American women's status in society. This phenomenological study was designed using critical…

  4. Pedagogy Matters: Engaging Diverse Students as Community Researchers in Three Computer Science Classrooms

    Science.gov (United States)

    Ryoo, Jean Jinsun

    2013-01-01

    Computing occupations are among the fastest growing in the U.S. and technological innovations are central to solving world problems. Yet only our most privileged students are learning to use technology for creative purposes through rigorous computer science education opportunities. In order to increase access for diverse students and females who…

  5. An investigation of primary school teachers’ PCK towards science subjects using an ınquiry-based approach

    Directory of Open Access Journals (Sweden)

    Menşure Alkış Küçükaydın

    2016-09-01

    Full Text Available In this study, the pedagogical content knowledge (PCK of four experienced primary school teachers was investigated within the “Let’s Solve the Riddle of Our Body Unit”. The PCK investigation adopted a learning approach based on inquiry, content representation and pedagogical and professional-experience repertoires (PaP-eRs, and interview forms were used as data collection tools. During the course of the research, the findings obtained from observations made during a total of 18 course hours formed the basic data source of the study. According to the results of the study, in which descriptive and content analysis were used concurrently, primary school teachers lack subject matter knowledge, do not interrogate the pre-knowledge of students and some misconceptions exist regarding about blood moves and exercise with pulse. Additionally, some deficiencies were detected in the curriculum, i.e., it offers non-inquisitional knowledge. Furthermore, teachers employee assessment methods with traditional teaching methods and techniques. In the context of an inquiry-based learning approach, teachers appeared to believe that classroom activities were adversely affected by the physical conditions (class size, lack of laboratory etc., students’ cognitive levels and parent profiles. The result of this study revealed that PCK components affect one another. The PCK findings pertaining to primary school teachers as it concerns the unit are briefly discussed and some suggestions about the development of PCK are submitted.

  6. Organic Synthetic Advanced Materials for Optoelectronic and Energy Applications (at Center for Condensed Matter Sciences)

    Energy Technology Data Exchange (ETDEWEB)

    Yen, Hung-Ju [Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Chemistry Division

    2016-11-14

    These slides cover Hung-Ju Yen's recent work in the synthesis and structural design of functional materials, which were further used for optoelectronic and energy applications, such as lithium ion battery, solar cell, LED, electrochromic, and fuel cells. This was for a job interview at Center for Condensed Matter Sciences. The following topics are detailed: current challenges for lithium-ion batteries; graphene, graphene oxide and nanographene; nanographenes with various functional groups; fine tune d-spacing through organic synthesis: varying functional group; schematic view of LIBs; nanographenes as LIB anode; rate performance (charging-discharging); electrochromic technology; electrochromic materials; advantages of triphenylamine; requirement of electrochromic materials for practical applications; low driving voltage and long cycle life; increasing the electroactive sites by multi-step synthetic procedures; synthetic route to starburst triarylamine-based polyamide; electrochromism ranging from visible to NIR region; transmissive to black electrochromism; RGB and CMY electrochromism.

  7. Bibliometric analysis of Spanish scientific publications in the subject Construction & Building Technology in Web of Science database (1997-2008

    Directory of Open Access Journals (Sweden)

    Rojas-Sola, J. I.

    2010-12-01

    Full Text Available In this paper the publications from Spanish institutions listed in the journals of the Construction & Building Technology subject of Web of Science database for the period 1997- 2008 are analyzed. The number of journals in whose is published is 35 and the number of articles was 760 (Article or Review. Also a bibliometric assessment has done and we propose two new parameters: Weighted Impact Factor and Relative Impact Factor; also includes the number of citations and the number documents at the institutional level. Among the major production Institutions with greater scientific production, as expected, the Institute of Constructional Science Eduardo Torroja (CSIC, while taking into account the weighted impact factor ranks first University of Vigo. On the other hand, only two journals Cement and Concrete Materials and Materials de Construction agglutinate the 45.26% of the Spanish scientific production published in the Construction & Building Technology subject, with 172 papers each one. Regarding international cooperation, include countries such as England, Mexico, United States, Italy, Argentina and France.

    En este trabajo se analizan las publicaciones procedentes de instituciones españolas recogidas en las revistas de la categoría Construction & Building Technology de la base de datos Web of Science para el periodo 1997-2008. El número de revistas incluidas es de 35 y el número de artículos publicados ha sido de 760 (Article o Review. Se ha realizado una evaluación bibliométrica con dos nuevos parámetros: Factor de Impacto Ponderado y Factor de Impacto Relativo; asimismo se incluyen el número de citas y el número de documentos a nivel institucional. Entre los centros con una mayor producción científica destaca, como era de prever, el Instituto de Ciencias de la Construcción Eduardo Torroja (CSIC, mientras que atendiendo al Factor de Impacto Ponderado ocupa el primer lugar la Universidad de Vigo. Por otro lado, sólo dos

  8. Plutonium metallurgy: The materials science challenges bridging condensed-matter physics and chemistry

    Energy Technology Data Exchange (ETDEWEB)

    Schwartz, A.J. [Lawrence Livermore National Laboratory, Livermore, CA 94550 (United States)], E-mail: schwartz6@llnl.gov

    2007-10-11

    Although there exists evidence of metallurgical practices dating back over 6000 years, studies of Pu and Pu alloys have been conducted for barely 60 years. During the time of the Manhattan Project and extending for some time afterward, the priority to produce the metal took precedence over the fundamental understanding of the metallurgical principals. In the past decade or so, there has been a resurgence in the basic metallurgy, condensed-matter physics, and chemistry of Pu and Pu alloys. These communities have made substantial progress, both experimentally and theoretically in many areas; however, many challenges still remain. The intent of this brief overview is to highlight a number important challenges that we face in the metallurgy of Pu including phase transformations and phase stability, aging, and the connection between electronic structure and metallurgy.

  9. Using hierarchical linear models to test differences in Swedish results from OECD’s PISA 2003: Integrated and subject-specific science education

    Directory of Open Access Journals (Sweden)

    Maria Åström

    2012-06-01

    Full Text Available The possible effects of different organisations of the science curriculum in schools participating in PISA 2003 are tested with a hierarchical linear model (HLM of two levels. The analysis is based on science results. Swedish schools are free to choose how they organise the science curriculum. They may choose to work subject-specifically (with Biology, Chemistry and Physics, integrated (with Science or to mix these two. In this study, all three ways of organising science classes in compulsory school are present to some degree. None of the different ways of organising science education displayed statistically significant better student results in scientific literacy as measured in PISA 2003. The HLM model used variables of gender, country of birth, home language, preschool attendance, an economic, social and cultural index as well as the teaching organisation.

  10. Defining Integrated Science Education and Putting It to Test

    OpenAIRE

    Åström, Maria

    2008-01-01

    The thesis is made up by four studies, on the comprehensive theme of integrated and subject-specific science education in Swedish compulsory school. A literature study on the matter is followed by an expert survey, then a case study and ending with two analyses of students' science results from PISA 2003 and PISA 2006. The first two studies explore similarities and differences between integrated and subject-specific science education, i.e. Science education and science taught as Biology, Chem...

  11. PREFACE: SPECIAL SECTION OF THE JOURNAL OF AIR & WASTE MANAGEMENT ASSOCIATION FOR PARTICULATE MATTER: ATMOSPHERIC SCIENCES, EXPOSURE AND THE FOURTH COLLOQUIUM ON PM AND HUMAN HEALTH

    Science.gov (United States)

    This dedicated issue of the Journal of the Air & Waste Management Association contains 17 peer-reviewed scientific papers that were presented at the specialty conference, “Particulate Matter: Atmospheric Sciences, Exposure and the Fourth Colloquium on PM and Human Health,” that w...

  12. Does Reality Matter? Social and Science Bases of Public Beliefs about Arctic Change

    Science.gov (United States)

    Walker, D. A.; Schaefer, K. M.; Schaeffer, K. P.; Schaefer, K. M.; Hamilton, L.

    2015-12-01

    Surveys of public perceptions about trends in Arctic sea ice find that over two-thirds are aware of the multi-decade decrease. This awareness differs sharply across ideological and educational subgroups, however. It does not appear to shift in response to scientific and media discussion following a September with unusually low (2012) or somewhat higher (2013) sea ice extent. Other perceptions about Arctic change, such as impacts on mid-latitude weather, follow similar patterns with sharp ideological difference and limited response to external events, including science reports. On the other hand, public accuracy on basic factual questions that do not by themselves imply directional change (such as location of the North Pole) may be very low, and among some subgroups accurate knowledge shows an oddly negative correlation with self-confidence about understanding of climate change. These results from 13 surveys over 2011-2015 suggest that biased assimilation filters the acceptance of information about Arctic change, with implications for science communication.

  13. Results from the first science run of the ZEPLIN-III dark matter search experiment

    International Nuclear Information System (INIS)

    Lebedenko, V. N.; Bewick, A.; Currie, A.; Davidge, D.; Dawson, J.; Horn, M.; Howard, A. S.; Jones, W. G.; Joshi, M.; Liubarsky, I.; Quenby, J. J.; Sumner, T. J.; Thorne, C.; Walker, R. J.; Araujo, H. M.; Edwards, B.; Barnes, E. J.; Ghag, C.; Murphy, A. St. J.; Scovell, P. R.

    2009-01-01

    The ZEPLIN-III experiment in the Palmer Underground Laboratory at Boulby uses a 12 kg two-phase xenon time-projection chamber to search for the weakly interacting massive particles (WIMPs) that may account for the dark matter of our Galaxy. The detector measures both scintillation and ionization produced by radiation interacting in the liquid to differentiate between the nuclear recoils expected from WIMPs and the electron-recoil background signals down to ∼10 keV nuclear-recoil energy. An analysis of 847 kg·days of data acquired between February 27, 2008, and May 20, 2008, has excluded a WIMP-nucleon elastic scattering spin-independent cross section above 8.1x10 -8 pb at 60 GeVc -2 with a 90% confidence limit. It has also demonstrated that the two-phase xenon technique is capable of better discrimination between electron and nuclear recoils at low-energy than previously achieved by other xenon-based experiments.

  14. Family matters: Familial support and science identity formation for African American female STEM majors

    Science.gov (United States)

    Parker, Ashley Dawn

    This research seeks to understand the experiences of African American female undergraduates in STEM. It investigates how familial factors and science identity formation characteristics influence persistence in STEM while considering the duality of African American women's status in society. This phenomenological study was designed using critical race feminism as the theoretical framework to answer the following questions: 1) What role does family play in the experiences of African American women undergraduate STEM majors who attended two universities in the UNC system? 2) What factors impact the formation of science identity for African American women undergraduate STEM majors who attended two universities in the UNC system? Purposive sampling was used to select the participants for this study. The researcher conducted in-depth interviews with 10 African American female undergraduate STEM major from a predominantly White and a historically Black institution with the state of North Carolina public university system. Findings suggest that African American families and science identity formation influence the STEM experiences of the African American females interviewed in this study. The following five themes emerged from the findings: (1) independence, (2) support, (3) pressure to succeed, (4) adaptations, and (5) race and gender. This study contributes to the literature on African American female students in STEM higher education. The findings of this study produced knowledge regarding policies and practices that can lead to greater academic success and persistence of African American females in higher education in general, and STEM majors in particular. Colleges and universities may benefit from the findings of this study in a way that allows them to develop and sustain programs and policies that attend to the particular concerns and needs of African American women on their campuses. Finally, this research informs both current and future African American female

  15. Origin of heat-induced structural changes in dissolved organic matter

    Czech Academy of Sciences Publication Activity Database

    Drastík, M.; Novák, František; Kučerík, J.

    2013-01-01

    Roč. 90, č. 2 (2013), s. 789-795 ISSN 0045-6535 Institutional support: RVO:60077344 Keywords : dissolved organic matter * humic substances * hydration * hysteresis Subject RIV: DF - Soil Science Impact factor: 3.499, year: 2013

  16. The Mesoscale Science of the Matter-Radiation Interactions in Extremes (MaRIE) project

    Energy Technology Data Exchange (ETDEWEB)

    Kippen, Karen Elizabeth [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Montoya, Donald Raymond [Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

    2017-08-17

    The National Nuclear Security Administration (NNSA) requires the ability to understand and test how material structures, defects, and interfaces determine performance in extreme environments such as in nuclear weapons. To do this, MaRIE will be an x-ray source that is laser-like and brilliant with very fl exible and fast pulses to see at weapons-relevant time scales, and with high enough energy to study critical materials. The Department of Energy (DOE) has determined there is a mission need for MaRIE to deliver this capability. MaRIE can use some of the existing infrastructure of the Los Alamos Neutron Science Center (LANSCE) and its accelerator capability. MaRIE will be built as a strategic partnership of DOE national laboratories and university collaborators.

  17. Dewey's "Science as Method" a Century Later: Reviving Science Education for Civic Ends

    Science.gov (United States)

    Rudolph, John L.

    2014-01-01

    Over a hundred years ago, John Dewey delivered his now-well-known address "Science as Subject-Matter and as Method" to those assembled at the Boston meeting of the American Association for the Advancement of Science in which he lamented the nearly exclusive focus on content knowledge in early-20th-century school science classrooms. This…

  18. Teacher interpersonal behavior and students’ subject-related attitudes in general and vocational science classes in Turkey

    NARCIS (Netherlands)

    Brok, den P.J.; Telli, S.; Cakiroglu, J.; Szymanski Sunal, C.; Mutua, K.

    2008-01-01

    The purpose of the study was to examine differences between Turkish vocational and general education students’ perceptions of their science teachers’ interpersonal behavior and the associations between these perceptions and their attitudes towards science taking into account other background

  19. Does print size matter for reading? A review of findings from vision science and typography.

    Science.gov (United States)

    Legge, Gordon E; Bigelow, Charles A

    2011-08-09

    The size and shape of printed symbols determine the legibility of text. In this paper, we focus on print size because of its crucial role in understanding reading performance and its significance in the history and contemporary practice of typography. We present evidence supporting the hypothesis that the distribution of print sizes in historical and contemporary publications falls within the psychophysically defined range of fluent print size--the range over which text can be read at maximum speed. The fluent range extends over a factor of 10 in angular print size (x-height) from approximately 0.2° to 2°. Assuming a standard reading distance of 40 cm (16 inches), the corresponding physical x-heights are 1.4 mm (4 points) and 14 mm (40 points). We provide new data on the distributions of print sizes in published books and newspapers and in typefounders' specimens, and consider factors influencing these distributions. We discuss theoretical concepts from vision science concerning visual size coding that help inform our understanding of historical and modern typographical practices. While economic, social, technological, and artistic factors influence type design and selection, we conclude that properties of human visual processing play a dominant role in constraining the distribution of print sizes in common use.

  20. Does mentoring matter: results from a survey of faculty mentees at a large health sciences university

    Science.gov (United States)

    Feldman, Mitchell D.; Arean, Patricia A.; Marshall, Sally J.; Lovett, Mark; O'Sullivan, Patricia

    2010-01-01

    Background To determine the characteristics associated with having a mentor, the association of mentoring with self-efficacy, and the content of mentor–mentee interactions at the University of California, San Francisco (UCSF), we conducted a baseline assessment prior to implementing a comprehensive faculty mentoring program. Method We surveyed all prospective junior faculty mentees at UCSF. Mentees completed a web-based, 38-item survey including an assessment of self-efficacy and a needs assessment. We used descriptive and inferential statistics to determine the association between having a mentor and gender, ethnicity, faculty series, and self-efficacy. Results Our respondents (n=464, 56%) were 53% female, 62% white, and 7% from underrepresented minority groups. More than half of respondents (n=319) reported having a mentor. There were no differences in having a mentor based on gender or ethnicity (p≥0.05). Clinician educator faculty with more teaching and patient care responsibilities were statistically significantly less likely to have a mentor compared with faculty in research intensive series (pmentor was associated with greater satisfaction with time allocation at work (pmentor, 5.33 (sd = 1.35, pmentors, but rated highest requiring mentoring assistance with issues of promotion and tenure. Conclusion Findings from the UCSF faculty mentoring program may assist other health science institutions plan similar programs. Mentoring needs for junior faculty with greater teaching and patient care responsibilities must be addressed. PMID:20431710

  1. Science and technology on the nanoscale with swift heavy ions in matter

    Energy Technology Data Exchange (ETDEWEB)

    Neumann, Reinhard, E-mail: r.neumann@gsi.de

    2013-11-01

    Swift heavy ions have stimulated developments of science and technology on the nanoscale due to the specific manner of transferring their kinetic energy in a solid successively in small portions along their trajectories. They thus create absolutely straight, almost cylindrical, and very narrow damage trails of diameter 5–10 nm. In various materials, such as polymers, a suitable etchant can transform these tracks into narrow channels of cylindrical, conical, or other desired shapes. These channels represent a starting point particularly for two major fields: they can be chemically modified to control small species and act, e.g., as sensors and transmitters of specific biomolecules. Irradiation of a sample with only one heavy ion allows the fabrication of single-nanochannel devices enabling measurements of enormous sensitivity. Filling nanochannels with a material provides nanowires. These objects of restricted dimensions exhibit finite-size and quantum behavior and give rise to a broad range of fundamental and applied research. This contribution briefly recollects microtechnological achievements with swift heavy ions that began already in the 1970s, preparing the ground for gradual size decrease down to the nanoscopic objects now under study. Various examples of material modifications on the nanoscale are presented, including recent results obtained with nanochannels and nanowires. Emerging developments are addressed, encompassing in situ recording of processes in biological cells stimulated by well-aimed ion irradiation, the fabrication of three-dimensional nanowire architectures, and plasmonic effects in nanowires.

  2. Does mentoring matter: results from a survey of faculty mentees at a large health sciences university

    Directory of Open Access Journals (Sweden)

    Mitchell D. Feldman

    2010-04-01

    Full Text Available Background: To determine the characteristics associated with having a mentor, the association of mentoring with self-efficacy, and the content of mentor–mentee interactions at the University of California, San Francisco (UCSF, we conducted a baseline assessment prior to implementing a comprehensive faculty mentoring program. Method: We surveyed all prospective junior faculty mentees at UCSF. Mentees completed a web-based, 38-item survey including an assessment of self-efficacy and a needs assessment. We used descriptive and inferential statistics to determine the association between having a mentor and gender, ethnicity, faculty series, and self-efficacy. Results: Our respondents (n=464, 56% were 53% female, 62% white, and 7% from underrepresented minority groups. More than half of respondents (n=319 reported having a mentor. There were no differences in having a mentor based on gender or ethnicity (p≥0.05. Clinician educator faculty with more teaching and patient care responsibilities were statistically significantly less likely to have a mentor compared with faculty in research intensive series (p<0.001. Having a mentor was associated with greater satisfaction with time allocation at work (p<0.05 and with higher academic self-efficacy scores, 6.07 (sd = 1.36 compared with those without a mentor, 5.33 (sd = 1.35, p<0.001. Mentees reported that they most often discussed funding with the mentors, but rated highest requiring mentoring assistance with issues of promotion and tenure. Conclusion: Findings from the UCSF faculty mentoring program may assist other health science institutions plan similar programs. Mentoring needs for junior faculty with greater teaching and patient care responsibilities must be addressed.

  3. Robotics as an integration subject in the computer science university studies. The experience of the University of Almeria

    Directory of Open Access Journals (Sweden)

    Manuela Berenguel Soria

    2012-11-01

    Full Text Available This work presents a global view of the role of robotics in computer science studies, mainly in university degrees. The main motivation of the use of robotics in these studies deals with the following issues: robotics permits to put in practice many computer science fundamental topics, it is a multidisciplinary area which allows to complete the basic knowledge of any computer science student, it facilitates the practice and learning of basic competences of any engineer (for instance, teamwork, and there is a wide market looking for people with robotics knowledge. These ideas are discussed from our own experience in the University of Almeria acquired through the studies of Computer Science Technical Engineering, Computer Science Engineering, Computer Science Degree and Computer Science Postgraduate.

  4. Molecule Matters

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 14; Issue 4. Molecule Matters – van der Waals Molecules - History and Some Perspectives on Intermolecular Forces. E Arunan. Feature Article Volume 14 Issue 4 April 2009 pp 346-356 ...

  5. Molecule Matters

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 11; Issue 9. Molecule Matters - A Chromium Compound with a Quintuple Bond. K C Kumara Swamy. Feature Article Volume 11 Issue 9 September 2006 pp 72-75. Fulltext. Click here to view fulltext PDF. Permanent link:

  6. Physics Education: Effect of Micro-Teaching Method Supported by Educational Technologies on Pre-Service Science Teachers' Misconceptions on Basic Astronomy Subjects

    Science.gov (United States)

    Gurbuz, Fatih

    2016-01-01

    The purpose of this research study is to explore pre-service science teachers' misconceptions on basic astronomy subjects and to examine the effect of micro teaching method supported by educational technologies on correcting misconceptions. This study is an action research. Semi- structured interviews were used in the study as a data collection…

  7. A response to Annette Gough and Jesse Bazzul. Subverting subjectivity: an anti-neoliberal reformulation of science education for life

    Science.gov (United States)

    Levinson, Ralph

    2017-12-01

    In responding to Jesse Bazzul's and Annette Gough's articles I maintain that contemporary positivist science curricula cannot address the urgent issues of sustainability and biopower that confront us. Drawing on the writings and interpretations of Emmanuel Levinas I argue that contemplating the meaning of responsibility to the Other is a radically subversive activity and a means of moving from the neoliberal dominance of science education towards a science one steeped in social justice.

  8. Disrupted subject-specific gray matter network properties and cognitive dysfunction in type 1 diabetes patients with and without proliferative retinopathy

    NARCIS (Netherlands)

    van Duinkerken, Eelco; Ijzerman, Richard G.; Klein, Martin; Moll, Annette C.; Snoek, Frank J.; Scheltens, Philip; Pouwels, Petra J. W.; Barkhof, Frederik; Diamant, Michaela; Tijms, Betty M.

    2016-01-01

    Type 1 diabetes mellitus (T1DM) patients, especially with concomitant microvascular disease, such as proliferative retinopathy, have an increased risk of cognitive deficits. Local cortical gray matter volume reductions only partially explain these cognitive dysfunctions, possibly because volume

  9. Instructional quality of lower grades natural science classes: the ...

    African Journals Online (AJOL)

    ... classes: the case of primary schools linked to Kemise College of Teacher Education. ... the quality of natural science education classroom instruction in lower grade ... on pedagogical and subject matter issue, closer support and supervision.

  10. Subject Specialization and Science Teachers' Perception of Information and Communication Technology for Instruction in Kwara State

    Science.gov (United States)

    Fakomogbon, Michael Ayodele; Adebayo, Rachael Funmi; Adegbija, Mosiforeba Victoria; Shittu, Ahmed Tajudeen; Oyelekan, Oloyede Solomon

    2014-01-01

    This study examined Kwara State secondary school science teachers' perception of [information and communications technology] ICT for instruction based on their area of specialization. Participants were 630 science teachers of Biology, Chemistry, Physics and Mathematics from both public and private senior secondary schools in 12 Local Government…

  11. Salva Phaenomenis. Phenomenological Dimension of Subjectivity in the Frame of the Reductionist Paradigm of the Cognitive Sciences

    Directory of Open Access Journals (Sweden)

    Kobiela Filip

    2015-06-01

    Full Text Available The paper addresses the family of questions that arose from the field of interactions between phenomenology and the cognitive sciences. On the one hand, apparently partial coextensivity of research domain of phenomenology and the cognitive sciences sets the goal of their cooperation and mutual inspiration. On the other hand, there are some obstacles on the path to achieve this goal: phenomenology and the cognitive sciences have different traditions, they speak different languages, they have adopted different methodological approaches, and last but not least, their prominent exponents exhibits different styles of thinking. In order to clarify this complicated area of tensions, the paper presents the results of philosophical reflections of such topics as: 1 philosophical presuppositions and postulates of the cognitive sciences 2 abstraction of some phenomena during idealisation and the dialectical model of science's development 3 argumentation based on prediction of future development of the cognitive sciences. This finally leads to the formulation of a phenomenology-based postulate for adequate model of mind and the discussion of humanistic dimension of cognitive sciences.

  12. Ethics in science education: responsabilities and commitments with the child's moral development in the discussion of controversial subjects

    Directory of Open Access Journals (Sweden)

    Júlio César Castilho Razera

    2006-03-01

    Full Text Available A review of recent research outcomes presents in a sample of Science Education journals, shows that ethics and moral development issues have been neglected in the Science Education research. Based in theoretical referential directed toward this theme, and in a research carried out on controversial issues in the Science Teaching, such as those related to the debate creationism versus evolutionism, this paper tries to show the necessity and possibilities to take into consideration questions of this nature in classroom, in order to help developing the moral in students.

  13. Collaboration with a local organization on the subjects of energy/radiation field in high school science education

    International Nuclear Information System (INIS)

    Suzuki, Takahiro; Mori, Chizuo

    2005-01-01

    We, high school teachers, collaborated with a local organization, Chubu Atomic Power Conference (partly in co-operation with The Radiation Education Forum), in the education on the subjects of energy and radiation fields. In addition to the subjects concerned with radiations, cloud chamber and personal radiation-monitor, we developed a few new subjects, which are not directly connected themselves with radiations, for the purpose to widen the fields and to bring the high acceptability of the subjects in high school side. (author)

  14. Introduction. Cosmology meets condensed matter.

    Science.gov (United States)

    Kibble, T W B; Pickett, G R

    2008-08-28

    At first sight, low-temperature condensed-matter physics and early Universe cosmology seem worlds apart. Yet, in the last few years a remarkable synergy has developed between the two. It has emerged that, in terms of their mathematical description, there are surprisingly close parallels between them. This interplay has been the subject of a very successful European Science Foundation (ESF) programme entitled COSLAB ('Cosmology in the Laboratory') that ran from 2001 to 2006, itself built on an earlier ESF network called TOPDEF ('Topological Defects: Non-equilibrium Field Theory in Particle Physics, Condensed Matter and Cosmology'). The articles presented in this issue of Philosophical Transactions A are based on talks given at the Royal Society Discussion Meeting 'Cosmology meets condensed matter', held on 28 and 29 January 2008. Many of the speakers had participated earlier in the COSLAB programme, but the strength of the field is illustrated by the presence also of quite a few new participants.

  15. The Six-Legged Subject: A Survey of Secondary Science Teachers’ Incorporation of Insects into U.S. Life Science Instruction

    Science.gov (United States)

    Ingram, Erin

    2018-01-01

    To improve students’ understanding and appreciation of insects, entomology education efforts have supported insect incorporation in formal education settings. While several studies have explored student ideas about insects and the incorporation of insects in elementary and middle school classrooms, the topic of how and why insects are incorporated in secondary science classrooms remains relatively unexplored. Using survey research methods, this study addresses the gap in the literature by (1) describing in-service secondary science teachers’ incorporation of insects in science classrooms; (2) identifying factors that support or deter insect incorporation and (3) identifying teachers’ preferred resources to support future entomology education efforts. Findings indicate that our sample of U.S. secondary science teachers commonly incorporate various insects in their classrooms, but that incorporation is infrequent throughout the academic year. Insect-related lesson plans are commonly used and often self-created to meet teachers’ need for standards-aligned curriculum materials. Obstacles to insect incorporation include a perceived lack of alignment of insect education materials to state or national science standards and a lack of time and professional training to teach about insects. Recommendations are provided for entomology and science education organizations to support teachers in overcoming these obstacles. PMID:29538297

  16. The Six-Legged Subject: A Survey of Secondary Science Teachers' Incorporation of Insects into U.S. Life Science Instruction.

    Science.gov (United States)

    Ingram, Erin; Golick, Douglas

    2018-03-14

    To improve students' understanding and appreciation of insects, entomology education efforts have supported insect incorporation in formal education settings. While several studies have explored student ideas about insects and the incorporation of insects in elementary and middle school classrooms, the topic of how and why insects are incorporated in secondary science classrooms remains relatively unexplored. Using survey research methods, this study addresses the gap in the literature by (1) describing in-service secondary science teachers' incorporation of insects in science classrooms; (2) identifying factors that support or deter insect incorporation and (3) identifying teachers' preferred resources to support future entomology education efforts. Findings indicate that our sample of U.S. secondary science teachers commonly incorporate various insects in their classrooms, but that incorporation is infrequent throughout the academic year. Insect-related lesson plans are commonly used and often self-created to meet teachers' need for standards-aligned curriculum materials. Obstacles to insect incorporation include a perceived lack of alignment of insect education materials to state or national science standards and a lack of time and professional training to teach about insects. Recommendations are provided for entomology and science education organizations to support teachers in overcoming these obstacles.

  17. Statistical Analysis of the Association Between Subject Headings and Their Corresponding Class Notations in Science and Technology Monographs.

    Science.gov (United States)

    Khosh-khui, Abolghasem

    This study investigates the degree of relationship between scientific and technical subject headings and their corresponding class notations in the Dewey Decimal (DDC) and Library of Congress Classification (LCC) systems. The degree of association between a subject heading and its corresponding class of notation or notations is measured by…

  18. Characterization of dissolved organic matter in a coral reef ecosystem subjected to anthropogenic pressures (La Réunion Island, Indian Ocean) using multi-dimensional fluorescence spectroscopy.

    Science.gov (United States)

    Tedetti, Marc; Cuet, Pascale; Guigue, Catherine; Goutx, Madeleine

    2011-05-01

    La Saline fringing reef is the most important coral reef complex of La Réunion Island (southwestern Indian Ocean; 21°07'S, 55°32'E). This ecosystem is subjected to anthropogenic pressures through river inputs and submarine groundwater discharge (SGD). The goal of this study was to characterize the pool of fluorescent dissolved organic matter (FDOM) in different water bodies of La Saline fringing reef ecosystem using excitation-emission matrix (EEM) spectrofluorometry. From EEMs, we identified the different fluorophores by the peak picking technique and determined two fluorescence indices issued from the literature: the humification index (HIX) and the biological index (BIX). The main known fluorophores were present within the sample set: humic-like A, humic-like C, marine humic-like M, tryptophan-like T1 and T2, and tyrosine-like B1 and B2. In some samples, unknown fluorophores ("U") were also detected. The surface oceanic waters located beyond the reef front displayed a typical oligotrophic marine signature, with a dominance of autochthonous/biological material (presence of peaks: T1>B1>A>T2>M>C; HIX: 0.9±0.4; BIX: 2.3±1.1). In the reef waters, the autochthonous/biological fingerprint also dominated even though the content in humic substances was higher (same relative distribution of peaks; HIX: 1.6±0.6; BIX: 1.0±0.1). Sedimentary and volcanic SGD showed very different patterns with a strong terrestrial source for the former (A>T1>C>B1 and A>C>B1; HIX: 9.8±2.0; BIX: 0.8±0.0) and a weak terrestrial source for the latter (A>B1>U3>B2>C and A>U4>C; HIX: 2.4±0.3; BIX: 0.9±0.0). In the Hermitage River, both humic substances and protein-like material were abundant (T1>A>U5>B1>C>B2; HIX: 2.3; BIX: 1.4). We provide evidences for the presence of anthropogenic DOM in some of these water bodies. Some oceanic samples (presence of peaks U1 and U2) were likely contaminated by oil-derived PAHs from ships navigating around the reef front, whereas the Hermitage River was

  19. Solid-state 13C nuclear magnetic resonance spectroscopic characterization of soil organic matter fractions in a forest ecosystem subjected to prescribed burning and thinning

    Science.gov (United States)

    Prescribed burning and thinning are gaining popularity as low-cost forest protection measures. Such field management practices could alter the chemical properties of soil organic matter (SOM), especially humic substances. In this work, we collected surface soil samples from the Bankhead National For...

  20. 23 March 2015 - Tree planting ceremony Chemin Auguer, by His Holiness the XIIth Gyalwang Drukpa and CERN Director-General, on the occasion of the event Connecting Worlds: Science Meets Buddhism Great Minds, Great Matters.

    CERN Multimedia

    Brice, Maximilien

    2015-01-01

    23 March 2015 - Tree planting ceremony Chemin Auguer, by His Holiness the XIIth Gyalwang Drukpa and CERN Director-General, on the occasion of the event Connecting Worlds: Science Meets Buddhism Great Minds, Great Matters.

  1. Gray and white matter changes in subjective cognitive impairment, amnestic mild cognitive impairment and Alzheimer's disease: a voxel-based analysis study.

    Directory of Open Access Journals (Sweden)

    Kuniaki Kiuchi

    Full Text Available Subjective cognitive impairment may be a very early at-risk period of the continuum of dementia. However, it is difficult to discriminate at-risk states from normal aging. Thus, detection of the early pathological changes in the subjective cognitive impairment period is needed. To elucidate these changes, we employed diffusion tensor imaging and volumetry analysis, and compared subjective cognitive impairment with normal, mild cognitive impairment and Alzheimer's disease. The subjects in this study were 39 Alzheimer's disease, 43 mild cognitive impairment, 28 subjective cognitive impairment and 41 normal controls. There were no statistically significant differences between the normal control and subjective cognitive impairment groups in all measures. Alzheimer's disease and mild cognitive impairment had the same extent of brain atrophy and diffusion changes. These results are consistent with the hypothetical model of the dynamic biomarkers of Alzheimer's disease.

  2. The science of dynamic compression at the mesoscale and the Matter-Radiation Interactions in Extremes (MaRIE) project

    International Nuclear Information System (INIS)

    Barnes, Cris W; Funk, David J; Hockaday, Mary P; Sarrao, John L; Stevens, Michael F

    2014-01-01

    A scientific transition is underway from traditional observation and validation of materials properties to a new paradigm where scientists and engineers design and create materials with tailored properties for specified functionality. Of particular interest are the regimes of materials' response to thermo-mechanical extremes including materials deforming under imposed strain rates above the quasi-static range (i.e. > 10 −3 s −1 ), material subjected to imposed shocks, but also material response to static, high-pressures. There is a need for the study of materials at the 'mesoscale', the scale at which sub-granular physical processes and inter-granular organization couple to determine microstructure, crucially impacting constitutive response at the engineering macroscale. For these reasons Los Alamos is proposing the MaRIE facility as a National User Facility to meet this need. In particular, three key science challenges will be identified: Link material microstructure to macroscopic behavior under dynamic deformation conditions; Make the transition from observation and validation to prediction and control of dynamic processes; and Develop the next generation of diagnostics, dynamic drivers, and predictive models to enable the necessary, transformative research.

  3. Location of lacunar infarcts correlates with cognition in a sample of non-disabled subjects with age-related white-matter changes: the LADIS study

    DEFF Research Database (Denmark)

    Benisty, S; Gouw, A A; Porcher, R

    2009-01-01

    evaluation was based on the Mini Mental Status Examination (MMSE), a modified Alzheimer Diseases Assessment Scale for global cognitive functions, and compound Z scores for memory, executive functions, speed and motor control. WMH were rated according to the Fazekas scale; the number of lacunes was assessed...... a significant negative association between the presence of lacunes in putamen/pallidum and the memory compound Z score (beta = -0.13; p = 0.038). By contrast, no significant negative association was found between cognitive parameters and the presence of lacunes in internal capsule, lobar white matter......OBJECTIVES: In cerebral small vessel disease, white-matter hyperintensities (WMH) and lacunes are both related to cognition. Still, their respective contribution in older people remains unclear. The purpose of this study is to assess the topographic distribution of lacunes and determine whether...

  4. Low episodic memory performance in cognitively normal elderly subjects is associated with increased posterior cingulate gray matter N-acetylaspartate: a 1H MRSI study at 7 Tesla.

    Science.gov (United States)

    Schreiner, Simon J; Kirchner, Thomas; Wyss, Michael; Van Bergen, Jiri M G; Quevenco, Frances C; Steininger, Stefanie C; Griffith, Erica Y; Meier, Irene; Michels, Lars; Gietl, Anton F; Leh, Sandra E; Brickman, Adam M; Hock, Christoph; Nitsch, Roger M; Pruessmann, Klaas P; Henning, Anke; Unschuld, Paul G

    2016-12-01

    Low episodic memory performance characterizes elderly subjects at increased risk for Alzheimer's disease (AD) and may reflect neuronal dysfunction within the posterior cingulate cortex and precuneus (PCP) region. To investigate a potential association between cerebral neurometabolism and low episodic memory in the absence of cognitive impairment, tissue-specific magnetic resonance spectroscopic imaging at ultrahigh field strength of 7 Tesla was used to investigate the PCP region in a healthy elderly study population (n = 30, age 70 ± 5.7 years, Mini-Mental State Examination 29.4 ± 4.1). The Verbal Learning and Memory Test (VLMT) was administered as part of a neuropsychological battery for assessment of episodic memory performance. Significant differences between PCP gray and white matter could be observed for glutamate-glutamine (p = 0.001), choline (p = 0.01), and myo-inositol (p = 0.02). Low Verbal Learning and Memory Test performance was associated with high N-acetylaspartate in PCP gray matter (p = 0.01) but not in PCP white matter. Our data suggest that subtle decreases in episodic memory performance in the elderly may be associated with increased levels of N-acetylaspartate as a reflection of increased mitochondrial energy capacity in PCP gray matter. Copyright © 2016 Elsevier Inc. All rights reserved.

  5. New light on a dark subject: On the use of fluorescence data to deduce redox states of natural organic matter (NOM)

    Science.gov (United States)

    Macalady, Donald L.; Walton-Day, Katherine

    2009-01-01

    This paper reports the use of excitation-emission matrix fluorescence spectroscopy (EEMS), parallel factor statistical analysis (PARAFAC), and oxidation-reduction experiments to examine the effect of redox conditions on PARAFAC model results for aqueous samples rich in natural organic matter. Fifty-four aqueous samples from 11 different geographic locations and two plant extracts were analyzed untreated and after chemical treatments or irradiation were used in attempts to change the redox status of the natural organic matter. The EEMS spectra were generated and modeled using a PARAFAC package developed by Cory and McKnight (2005). The PARAFAC model output was examined for consistency with previously reported relations and with changes expected to occur upon experimental oxidation and reduction of aqueous samples. Results indicate the implied fraction of total sample fluorescence attributed to quinone-like moieties was consistent (0.64 to 0.78) and greater than that observed by Cory and McKnight (2005). The fraction of the quinone-like moieties that was reduced (the reducing index, RI) showed relatively little variation (0.46 to 0.71) despite attempts to alter the redox status of the natural organic matter. The RI changed little after reducing samples using zinc metal, oxidizing at high pH with air, or irradiating with a Xenon lamp. Our results, however, are consistent with the correlations between the fluorescence indices (FI) of samples and the ratio of PARAFAC fitting parameters suggested by Cory and McKnight (2005), though we used samples with a much narrower range of FI values.

  6. [Changes in phospholipids of the brain grey and white matter during in vitro autolysis in rats subjected to acute hypobaric hypoxic hypoxia].

    Science.gov (United States)

    Gribanov, G A; Leshchenko, D V; Golovko, M Iu

    2004-01-01

    The development of autolysis in grey brain matter of albino rats was accompanied by desintegration of aminophospholipids with parallel increase of glycerophosphates (GLP) and phosphatidic acids (PA) on early stages of incubation and lysophospholipids (LPL) on later stages. Acute hypobaric hypoxic hypoxia decreased the level of phosphatidylethanolamines (PE) with simultaneous accumulation of PA. Previous hypoxia altered the character of autolytic reorganizations of phospholipids. Oscillatory reciprocal reorganizations in the system PE > PS (phosphatidylserine) were observed at early stage (1 h) and at late stages of autolysis (24 h). At the same time increased transformation of phosphatidylcholines (PC) into sphingomyelins (SM) with simultaneous accumulation GLP was registered. During autolysis of brain white matter of control rats opposite oscillatory reorganizations of PE, PC, SM, PA with reduction of PE and simultaneous increase of LPL and PA level after 1 hour of incubation were observed. Reciprocal reactions of biotransformation in system PS > PE were revealed at 4th hour. Previous hypobaric hypoxic hypoxia reduced the level of total phospholipids as well as PS at simultaneous increase of LPL. Acute hypobaric hypoxic hypoxia increased autolytic transformations in system PC > SM and induced hydrolysis of PE, PC into LPL at late stages of autolysis.

  7. Factors that Influence Participation of Students in Secondary Science and Mathematics Subjects in IB Schools Outside of the United States and Canada

    Science.gov (United States)

    Straffon, Elizabeth

    The purpose of this study was to investigate factors that affect the extent of international secondary students' participation in International Baccalaureate science and mathematics courses. The factors examined were gender, home region, size, percent host culture and age of the program, and coeducational and legal status of the school. Participation in math and science subjects was determined by analyzing the level and number of courses taken by students taking International Baccalaureate exams in 2010. Chi-Square and Cramer's V analysis were used to measure the effect of categorical variables on student participation and One-Way ANOVA and Bonferroni comparison of means were used to analyze the quantitative variables. All categorical variables were statistically significant (p<.01). Home region was the most important factor affecting participation in both math and science. Students from East, Southeast and South-Central Asia; and Eastern Europe have greater participation in math. The highest science participation came from students in East, Southern and Western Africa; and Southeast Asia. Top participators in science came from Australia/New Zealand, Northern Europe, East Africa and South-Central and Western Asia. State schools showed higher math and science participation. Science and math participation was also greater in all-male schools though associations were weak. Boys participated more than girls, especially in math. All quantitative variables were statistically significant. The program size had the largest effect size for both math and science with larger programs showing more participation at the higher level. A decreasing trend for age of the program and percent host culture was found for math participation. Three years of participation data were collected from an international school in Western Europe (n = 194). Variables included the influence of parent occupation, math preparedness (PSAT-Math), student achievement (GPA), and the importance of

  8. Do Thinking Styles Matter for Science Achievement and Attitudes toward Science Class in Male and Female Elementary School Students in Taiwan?

    Science.gov (United States)

    Wang, Tzu-Ling; Tseng, Yi-Kuan

    2015-01-01

    The purposes of this study were to explore the effects of thinking styles on science achievement and attitudes toward science class among Taiwanese elementary school students and to explore the differences between male and female students in their modes of thinking. Participants included 756 sixth-grade students from 28 classes in four elementary…

  9. Age, Cumulative Trauma and Stressful Life Events, and Post-Traumatic Stress Symptoms among Older Adults in Prison: Do Subjective Impressions Matter?

    Science.gov (United States)

    Maschi, Tina; Morgen, Keith; Zgoba, Kristen; Courtney, Deborah; Ristow, Jennifer

    2011-01-01

    Background: The aging prison population in the United States presents a significant public health challenge with high rates of trauma and mental health issues that the correctional system alone is ill-prepared to address. The purpose of this study was to examine the relationship of age, objective, and subjective measures of trauma and stressful…

  10. REFLEXIONES ACERCA DEL OBJETO Y METAS DE LA PSICOLOGÍA COMO UNA CIENCIA NATURAL/ REFLECTIONS ABOUT THE SUBJET-MATTER AND GOALS OF PSYCHOLOGY AS A NATURAL SCIENCE

    Directory of Open Access Journals (Sweden)

    Roberto Bueno Cuadra*

    2010-11-01

    Full Text Available RESUMENSe define como objeto de conocimiento de la psicología el comportamiento individual entendido como las interaccionesdel individuo con objetos específicos en su medio. A partir de ahí, se establecen las diferencias entre los campos propios dela psicología y las ciencias sociales, por un lado, y frente a las ciencias biológicas, por el otro. A continuación se describenlas metas científicas que se derivan de tal caracterización del objeto de estudio. Estas metas son la descripción, la explicación,la predicción y el control. Las dos últimas no se asumen necesariamente en el sentido de predicción y control prácticos, perosí como criterios de validación de la explicación científica.ABSTRACTIt is defined as subject matter of psychology the individual behavior, being understood as such the interactionsbetween an individual with specific objects and events in his or her environment. From here, it is posed the differencesbetween the proper fields, on one hand, of psychology and social sciences, and, on the other, psychology and biology.Then, the scientific goals of psychology, derived from the characterization of its subject matter, are described. They aredescription, explanation, prediction and control. These two last are not to be necessarily assumed in the sense of practicalprediction and control, but are as criteria for validation of scientific explanation.

  11. Report of the Review Committee on valuation of the research subjects in the fields of advanced science research

    International Nuclear Information System (INIS)

    2000-07-01

    On the basis of the JAERI's Basic Guidelines for the Research Evaluation Methods, etc. the Ad Hoc Review Committee composed of eight experts was set up under the Research Evaluation Committee of the JAERI in order to review the research theme completed in FY1998 and those planned for five years starting in FY2000 in the Advanced Science Research Center. The Ad Hoc Review Committee meeting was held on September 17, 1999. According to the review methods including review items, points of review and review criteria, determined by the Research Evaluation Committee, the review was conducted based on the research results/plan documents submitted in advance and presentations by the Research Group Leaders. The review report was submitted to the Research Evaluation Committee for further review and discussions in its meeting held on March 14, 2000. As a result, the Research Evaluation Committee acknowledged appropriateness of the review results. This report describes the review results. (author)

  12. Memetics and political science. Chosen problems

    OpenAIRE

    Donaj, Łukasz; Barańska, Marzena

    2013-01-01

    Interdisciplinarity has increasingly become a determinant of the quality of research. A particular challenge faces political science, which in itself is an interdisciplinary area of study. Or else what is interdisciplinary research including the methodologies of political science and, for example, neuroscience to depend on? In this article, the authors try to identify what political science can gain by using such fields as memetics. The subject matter of the publication is a brief description...

  13. Etienne Klein Les sciences à la conquête du temps

    CERN Multimedia

    Franco, Fabien

    2006-01-01

    Etienne Klein grouped some of his works to the subject of time. On the occasion of his participation to thr 16e Sciences Festival in Chamonix, he gives a part of its thoughts about this matter (3 pages)

  14. Self-compassion matters: The relationships between perceived social support, self-compassion, and subjective well-being among LGB individuals in Turkey.

    Science.gov (United States)

    Toplu-Demirtaş, Ezgi; Kemer, Gülşah; Pope, Amber L; Moe, Jeffry L

    2018-04-01

    Research on the well-being of lesbian, gay, and bisexual (LGB) people has predominately focused on Western (-ized) societies where individualism, and not collectivism, is emphasized. In the present study, we utilized a mediator model via Structural Equation Modeling (SEM) to examine the relationships between self-compassion (i.e., self-kindness, common humanity, and mindfulness), perceived social support (i.e., family, friends, and significant others), and subjective well-being (i.e., life satisfaction, positive affect, and negative affect) in a sample of LGB-identified individuals living in Turkey, a traditionally collectivistic culture (Hofstede, 2001). A sample of 291 LGB individuals (67 lesbian, 128 gay, and 96 bisexual) completed an online survey including the Positive and Negative Affect Schedule, Satisfaction with Life Scale, Multidimensional Scale of Perceived Social Support Scale, and Self-kindness, Common Humanity, and Mindfulness subscales of the Self-Compassion Scale. The results of SEM for the hypothesized mediator model revealed that self-compassion mediated the relationships between perceived social support from family and significant others and subjective well-being, explaining the 77% of the variance in subjective well-being. Implications for the literature base on LGB well-being are discussed, with a focus on the cross-cultural applications. (PsycINFO Database Record (c) 2018 APA, all rights reserved).

  15. Perception and environmental education about mangrove ecosystem improving sciences and biology subjects in public school at Recife, PE

    Directory of Open Access Journals (Sweden)

    Lauro Lopes Rodrigues

    2008-01-01

    Full Text Available This work was developed with the aim to identify the perceptions of the students from a school about the mangrove ecosystem, using didactic and natural elements available to do an environmental education action. The previous perception of the students on the ecosystem was evaluated by means of a questionnaire, followed of a theoretical exposition, complemented with a visit to a conserved mangrove (Paripe River, Itamaracá and another impacted (Jiquiá River, Recife, near to the school, being applied new questionnaires to evaluate their conceptions and the academic strategies. The students demonstrated a relative previous knowledge on the mangrove and the educative action showed effectiveness in the transference of the ecological concepts about the ecosystem, using the method of incorporate their daily knowledge to stimulate them to know the scientific side of the subject, ending with the development of ecologic conscience.

  16. Management does matter

    DEFF Research Database (Denmark)

    Kroustrup, Jonas

    studies approach the paper acknowledges that management and project management technologies does matter, but comes in many shapes, and is performed differently in various socio-technical settings. The field of STS offers a new ground for a participatory and practice oriented approach to the development......The positivist and managerialist approaches to project management research has historically defined practice as a ‘technical’ discipline. This has recently been challenged by critical project management studies, who advocates for an opening of the field research to also include the social...... and organizational dynamics of projects. Following the topic of the panel this paper will discuss how these two positions, although seemingly different, both places the project manager as an omnipotent subject of control. The consequences becomes either a priori explanations or ideological pitfalls. From a science...

  17. Report of the review committee on evaluation of the research subjects in the field of advanced science research (FY2000)

    International Nuclear Information System (INIS)

    2000-10-01

    On the basis of the JAERI's Basic Guidelines for the Research Evaluation Methods and the Practices Manuals of the Institution Evaluation Committee, the Ad Hoc Review Committee composed of eight experts was set up under the Research Evaluation Committee of the JAERI in order to review the research themes completed in FY1999, those to be ended through FY2000, and those planned for five years starting in FY2001 in the Advanced Science Research Center. The Ad Hoc Review Committee meeting was held on July 17, 2000. According to the review methods including review items, points of review and review criteria, determined by the Research Evaluation Committee, the review was conducted based on the research result/plan documents submitted in advance and presentations by the Research Group Leaders. The review report was submitted to the Research Evaluation Committee for further review and discussions in its meeting held on August 31, 2000. The Research Evaluation Committee recognized the review results as appropriate. This report describes the review results. (author)

  18. Characterization and sources of colored dissolved organic matter in a coral reef ecosystem subject to ultramafic erosion pressure (New Caledonia, Southwest Pacific).

    Science.gov (United States)

    Martias, Chloé; Tedetti, Marc; Lantoine, François; Jamet, Léocadie; Dupouy, Cécile

    2018-03-01

    The eastern lagoon of New Caledonia (NC, Southwest Pacific), listed as a UNESCO World Heritage site, hosts the world's second longest double-barrier coral reef. This lagoon receives river inputs, oceanic water arrivals, and erosion pressure from ultramafic rocks, enriched in nickel (Ni) and cobalt (Co). The aim of this study was to characterize colored dissolved organic matter (CDOM), as well as to determine its main sources and its possible relationships (through the use of Pearson correlation coefficients, r) with biogeochemical parameters, plankton communities and trace metals in the NC eastern lagoon. Water samples were collected in March 2016 along a series of river/lagoon/open-ocean transects. The absorption coefficient at 350nm (a 350 ) revealed the influence of river inputs on the CDOM distribution. The high values of spectral slope (S 275-295 , >0.03m -1 ) and the low values of specific ultraviolet absorbance (SUVA 254 , CDOM in surface waters. The application of parallel factor analysis (PARAFAC) on excitation-emission matrices (EEMs) allowed the identification of four CDOM components: (1) one humic- and one tyrosine-like fluorophores. They had terrestrial origin, exported through rivers and undergoing photo- and bio-degradation in the lagoon. These two fluorophores were linked to manganese (Mn) in southern rivers (r=0.46-0.50, n=21, pCDOM sources in the NC eastern lagoon. Copyright © 2017 Elsevier B.V. All rights reserved.

  19. Subjectivities in Research in Science Education presented at the National Symposium of Physics Education of the last five years

    Directory of Open Access Journals (Sweden)

    Sérgio Choiti Yamazaki

    2015-12-01

    Full Text Available This paper presents the results of a survey conducted in a public university in the country, which aimed to identify the presence elements ordinarily related to subjective phenomena, in the works published in National Symposium of Physics Education, an event that provides meeting between teachers, researchers and students from around the country. The elements to which we have referred are found in contemporary didactic and pedagogical proposals, because it is identified that purely cognitive or even cultural rights are not sufficient to understand the phenomena that happen in the classroom, or more broadly, in education as a whole. The analysis contemplated the publications of the past 3 symposia, and the results infer a small increase of citations of these elements. However, this growth must be questioned because the quotes are made in isolation, not being taken to support the analysis of the authors. In addition, this research also shows that the presence of these elements is very small compared with the total number of papers published in the events.

  20. A comparison of the character of algal extracellular versus cellular organic matter produced by cyanobacterium, diatom and green alga

    Czech Academy of Sciences Publication Activity Database

    Pivokonský, Martin; Šafaříková, Jana; Barešová, Magdalena; Pivokonská, Lenka; Kopecká, Ivana

    2014-01-01

    Roč. 51, March (2014), s. 37-46 ISSN 0043-1354 R&D Projects: GA AV ČR IAA200600902 Institutional support: RVO:67985874 Keywords : Algal organic matter * Extracellular organic matter * Cellular organic matter * Peptide/protein content * Hydrophobicity * Molecular weight fraction ation Subject RIV: BK - Fluid Dynamics Impact factor: 5.528, year: 2014 http://www.sciencedirect.com/science/article/pii/S004313541301021X

  1. Algorithmic psychometrics and the scalable subject.

    Science.gov (United States)

    Stark, Luke

    2018-04-01

    Recent public controversies, ranging from the 2014 Facebook 'emotional contagion' study to psychographic data profiling by Cambridge Analytica in the 2016 American presidential election, Brexit referendum and elsewhere, signal watershed moments in which the intersecting trajectories of psychology and computer science have become matters of public concern. The entangled history of these two fields grounds the application of applied psychological techniques to digital technologies, and an investment in applying calculability to human subjectivity. Today, a quantifiable psychological subject position has been translated, via 'big data' sets and algorithmic analysis, into a model subject amenable to classification through digital media platforms. I term this position the 'scalable subject', arguing it has been shaped and made legible by algorithmic psychometrics - a broad set of affordances in digital platforms shaped by psychology and the behavioral sciences. In describing the contours of this 'scalable subject', this paper highlights the urgent need for renewed attention from STS scholars on the psy sciences, and on a computational politics attentive to psychology, emotional expression, and sociality via digital media.

  2. 77 FR 49463 - National Science Board; Sunshine Act Meetings

    Science.gov (United States)

    2012-08-16

    ... transaction of National Science Board business. AGENCY HOLDING MEETING: National Science Board. DATE AND TIME: Tuesday, August 21, 2012 from 5:00-6:00 p.m. SUBJECT MATTER: Chairman's remarks, consideration and... Meszaros, [email protected] , (703) 292-7000. Ann Bushmiller, NSB Senior Legal Counsel. [FR Doc. 2012-20197...

  3. Sterile neutrino dark matter

    CERN Document Server

    Merle, Alexander

    2017-01-01

    This book is a new look at one of the hottest topics in contemporary science, Dark Matter. It is the pioneering text dedicated to sterile neutrinos as candidate particles for Dark Matter, challenging some of the standard assumptions which may be true for some Dark Matter candidates but not for all. So, this can be seen either as an introduction to a specialized topic or an out-of-the-box introduction to the field of Dark Matter in general. No matter if you are a theoretical particle physicist, an observational astronomer, or a ground based experimentalist, no matter if you are a grad student or an active researcher, you can benefit from this text, for a simple reason: a non-standard candidate for Dark Matter can teach you a lot about what we truly know about our standard picture of how the Universe works.

  4. Respiratory effects of particulate matter air pollution: studies on diesel exhaust, road tunnel, subway and wood smoke exposure in human subjects

    Energy Technology Data Exchange (ETDEWEB)

    Sehlstedt, Maria

    2011-07-01

    Background: Ambient air pollution is associated with adverse health effects, but the sources and components, which cause these effects is still incompletely understood. The aim of this thesis was to investigate the pulmonary effects of a variety of common air pollutants, including diesel exhaust, biomass smoke, and road tunnel and subway station environments. Healthy non-smoking volunteers were exposed in random order to the specific air pollutants and air/control, during intermittent exercise, followed by bronchoscopy. Methods and results: In study I, exposures were performed with diesel exhaust (DE) generated at transient engine load and air for 1 hour with bronchoscopy at 6 hours post-exposure. Immunohistochemical analyses of bronchial mucosal biopsies showed that DE exposure significantly increased the endothelial adhesion molecule expression of p-selectin and VCAM-1, together with increased bronchoalveolar lavage (BAL) eosinophils. In study II, the subjects were exposed for 1 hour to DE generated during idling with bronchoscopy at 6 hours. The bronchial mucosal biopsies showed significant increases in neutrophils, mast cells and lymphocytes together with bronchial wash neutrophils. Additionally, DE exposure significantly increased the nuclear translocation of the aryl hydrocarbon receptor (AhR) and phosphorylated c-jun in the bronchial epithelium. In contrast, the phase II enzyme NAD(P)H-quinone oxidoreductase 1 (NQO1) decreased after DE. In study III, the 2-hour exposures took place in a road tunnel with bronchoscopy 14 hours later. The road tunnel exposure significantly increased the total numbers of lymphocytes and alveolar macrophages in BAL, whereas NK cell and CD56+/T cell numbers significantly decreased. Additionally, the nuclear expression of phosphorylated c-jun in the bronchial epithelium was significantly increased after road tunnel exposure. In study IV, the subjects were exposed to metal-rich particulate aerosol for 2 hours at a subway station

  5. "Deep down Things": In What Ways Is Information Physical, and Why Does It Matter for Information Science?

    Science.gov (United States)

    Bawden, David; Robinson, Lyn

    2013-01-01

    Introduction: Rolf Landauer declared in 1991 that "information is physical". Since then, information has come to be seen by many physicists as a fundamental component of the physical world; indeed by some as the physical component. This idea is now gaining currency in popular science communication. However, it is often far from clear…

  6. The Effects of Visualizations on Linguistically Diverse Students' Understanding of Energy and Matter in Life Science

    Science.gov (United States)

    Ryoo, Kihyun; Bedell, Kristin

    2017-01-01

    Although extensive research has shown the educational value of different types of interactive visualizations on students' science learning in general, how such technologies can contribute to English learners' (ELs) understanding of complex scientific concepts has not been sufficiently explored to date. This mixed-methods study investigated how…

  7. Does Personality Matter? Applying Holland's Typology to Analyze Students' Self-Selection into Science, Technology, Engineering, and Mathematics Majors

    Science.gov (United States)

    Chen, P. Daniel; Simpson, Patricia A.

    2015-01-01

    This study utilized John Holland's personality typology and the Social Cognitive Career Theory (SCCT) to examine the factors that may affect students' self-selection into science, technology, engineering, and mathematics (STEM) majors. Results indicated that gender, race/ethnicity, high school achievement, and personality type were statistically…

  8. Assessment that Matters: Integrating the "Chore" of Department-Based Assessment with Real Improvements in Political Science Education

    Science.gov (United States)

    Deardorff, Michelle D.; Folger, Paul J.

    2005-01-01

    Assessment requirements often raise great concerns among departments and faculty: fear of loss of autonomy, distraction from primary departmental goals, and the creation of alien and artificial external standards. This article demonstrates how one political science department directly responded to their own unique circumstances in assessing their…

  9. Does Structural Development Matter? The Third Mission through Teaching and R&D at Finnish Universities of Applied Sciences

    Science.gov (United States)

    Kohtamäki, Vuokko

    2015-01-01

    The latest policy trends of higher education institutions (HEIs) have increasingly highlighted the importance of external stakeholders' expertise and resources. This paper investigated how the third mission through teaching and research and development (R&D) at Finnish universities of applied sciences (UASs) is influenced by the structural…

  10. STEM Graduates and Secondary School Curriculum: Does Early Exposure to Science Matter? CEP Discussion Paper No. 1443

    Science.gov (United States)

    De Philippis, Marta

    2016-01-01

    Increasing the number of Science, Technology, Engineering and Math (STEM) university graduates is considered a key element for long-term productivity and competitiveness in the global economy. Still, little is known about what actually drives and shapes students' choices. This paper focusses on secondary school students at the very top of the…

  11. Report of the Review Committee on evaluation of the R and D subjects in the fields of Environmental Science and Health Physics

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-07-01

    On the basis of the JAERI's Basic Guidelines for the Research Evaluation Methods, etc., the Ad Hoc Review Committee composed of nine experts was set up under the Research Evaluation Committee of the JAERI in order to review the R and D subjects to be implemented for five years starting in FY2000 in the Department of Environmental Science and Department of Health Physics. The Ad Hoc Review Committee meeting was held on August 30, 1999. According to the review methods including review items, points of review and review criteria, determined by the Research Evaluation Committee, the review was conducted based on the research plan documents submitted in advance and presentations by the Department Directors. The review report was submitted to the Research Evaluation Committee for further review and discussions in its meeting held on March 14, 2000. As a result, the Research Evaluation Committee acknowledged appropriateness of the review results. This report describes the review results. (author)

  12. Physics of condensed matter

    CERN Document Server

    Misra, Prasanta K

    2012-01-01

    Physics of Condensed Matter is designed for a two-semester graduate course on condensed matter physics for students in physics and materials science. While the book offers fundamental ideas and topic areas of condensed matter physics, it also includes many recent topics of interest on which graduate students may choose to do further research. The text can also be used as a one-semester course for advanced undergraduate majors in physics, materials science, solid state chemistry, and electrical engineering, because it offers a breadth of topics applicable to these majors. The book be

  13. The Problem of Subject Access to Visual Materials

    Directory of Open Access Journals (Sweden)

    Heather P. Jespersen

    2004-09-01

    Full Text Available This article discusses the problem of giving subject access to works of art. We survey both concept-based and content-based access by computers and by indexers/catalogers respectively, as well as issues of interoperability, database and indexer consistency, and cataloging standards. The authors, both of whom are trained art historians, question attempts to mystify fine art subject matter by the creation of clever library science systems that are executed by the naive. Only when trained art historians and knowledgeable catalogers are finally responsible for providing subject access to works of art, will true interoperability and consistency happen.

  14. Students’ Perception of the Availability and Utilization of Information and Communication Technology (ICT in the Teaching and Learning of Science Subjects in Secondary Schools in Ekiti State, Nigeria

    Directory of Open Access Journals (Sweden)

    Jegede Samuel Akingbade

    2013-07-01

    Full Text Available The study investigated students’ perception of the availability and utilization of Information and Communication Technology (ICT in the teaching and learning of science subjects in secondary schools in Ekiti State, Nigeria. The population of the study was made up of all secondary school students in public and private secondary schools in Ekiti State, Nigeria. The sample was 400 students selected from both public and private secondary schools in the state using the multi-stage sampling. The only instrument used in collecting relevant data for the study was a questionnaire consisting of two sections A and B. Section A consisted of personal biodata of the respondents, while section B consisted of 22 items which elicited information on the application of ICT in schools for learning science. Four research questions were raised and two hypotheses tested. Data collected were analysed using frequency counts and percentages as well as inferential statistics of t-test. The results showed that apart from the computer, which is available in most schools, the other identified ICT equipment were not available. The findings also showed that there is no significant difference in the availability of ICT facilities in public and private secondary schools, and that students in private schools are more exposed to ICT than their counterparts in public schools.

  15. Aggregation controls the stability of lignin and lipids in clay-sized particulate and mineral associated organic matter

    Czech Academy of Sciences Publication Activity Database

    Angst, Gerrit; Mueller, K.E.; Kögel-Knabner, I.; Freeman, K.H.; Mueller, C.W.

    2017-01-01

    Roč. 132, č. 3 (2017), s. 307-324 ISSN 0168-2563 Institutional support: RVO:60077344 Keywords : incubation * physical fractionation * GC/MS * C-13 NMR * CuO * soil organic matter Subject RIV: DF - Soil Science OBOR OECD: Soil science Impact factor: 3.428, year: 2016

  16. Information Science: Science or Social Science?

    OpenAIRE

    Sreeramana Aithal; Paul P.K.,; Bhuimali A.

    2017-01-01

    Collection, selection, processing, management, and dissemination of information are the main and ultimate role of Information Science and similar studies such as Information Studies, Information Management, Library Science, and Communication Science and so on. However, Information Science deals with some different characteristics than these subjects. Information Science is most interdisciplinary Science combines with so many knowledge clusters and domains. Information Science is a broad disci...

  17. Explore the concept of “light” and its interaction with matter: an inquiry-based science education project in primary school

    Science.gov (United States)

    Varela, P.; Costa, M. F.

    2015-04-01

    The exploration process leading to the understanding of physical phenomena, such as light and its interaction with matter, raises great interest and curiosity in children. However, in most primary schools, children rarely have the opportunity to conduct science activities in which they can engage in an enquiry process even if by the action of the teacher. In this context, we have organised several in-service teacher training courses and carried out several pedagogic interventions in Portuguese primary schools, with the aim of promoting inquiry- based science education. This article describes one of those projects, developed with a class of the third grade, which explored the curricular topic “Light Experiments”. Various activities were planned and implemented, during a total of ten hours spread over five lessons. The specific objectives of this paper are: to illustrate and analyse the teaching and learning process promoted in the classroom during the exploration of one of these lessons, and to assess children's learning three weeks after the lessons. The results suggest that children made significant learning which persisted. We conclude discussing some processes that stimulated children’ learning, including the importance of teacher questioning in scaffolding children's learning and some didactic implications for teacher training.

  18. Proceedings (Mathematical Sciences) SUBJECT INDEX

    Indian Academy of Sciences (India)

    R. Narasimhan (Krishtel eMaging) 1461 1996 Oct 15 13:05:22

    Some intersections and identification in integral group rings. 283 ... Gegenbauer function. Stokes flow with slip and Kuwabara bound- ary conditions. 463. General class of polynomials. Certain fractional derivative formulae involving the product of a .... turbed time-dependent quadratic Hamilto- nians. 209. Quasi-uniform ...

  19. Proceedings (Mathematical Sciences) SUBJECT INDEX

    Indian Academy of Sciences (India)

    299. Automorphism group. Semisymmetric cubic graphs of order 16p2. 19. Bernoulli polynomial. On the general Dedekind sums and its reciprocity formula. 1 ... and x = f(t,x,xσ ) on time scales 249. Density of states. Regularity of the interband light absorption coefficient. 351. Lifshitz tails for the interband light absorp-.

  20. Proceedings (Mathematical Sciences) SUBJECT INDEX

    Indian Academy of Sciences (India)

    . Divisor. The Jacobian of a nonorientable Klein sur- face, II. 51. Double resonance. Multiplicity of nontrivial solutions for elliptic equations with nonsmooth poten- tial and resonance at higher eigenvalues. 233. Dual. Quotient normed cones.

  1. Proceedings (Mathematical Sciences) SUBJECT INDEX

    Indian Academy of Sciences (India)

    . Direct product of groups. On the stability of Jensen's functional equation on groups. 31. Dynamic equation. Some nonlinear dynamic inequalities on time scales. 545. Dynamic inequality. Some nonlinear dynamic inequalities on time scales.

  2. Proceedings (Mathematical Sciences) SUBJECT INDEX

    Indian Academy of Sciences (India)

    Large deviations: An introduction to 2007. Abel prize. 161. Open mapping. Closed graph and open mapping theorems for normed cones. 245. Optimal control. Low-cost control problems on perforated and non-perforated domains. 133. Optimal values. An optimal version of an inequality involv- ing the third symmetric means.

  3. Proceedings (Mathematical Sciences) SUBJECT INDEX

    Indian Academy of Sciences (India)

    Some BMO estimates for vector-valued multilinear singular integral operators ... polynomials in several variables. 117. Conformal metric ... class of urn models. 493. G-bundles. On Harder–Narasimhan reductions for. Higgs principal bundles. 127. Gel'fand space. A note on generalized characters. 437. Gel'fand transform.

  4. Proceedings (Mathematical Sciences) SUBJECT INDEX

    Indian Academy of Sciences (India)

    R. Narasimhan (Krishtel eMaging) 1461 1996 Oct 15 13:05:22

    On some congruence with application to exponential sums. 1. Congruence groups. The congruence ... flag varieties. 123. Diamond operator. The solutions of the n-dimensional Bessel diamond operator and the Fourier–Bessel transform of their convolution. 375. Elliptic regularity. Limits of functions and elliptic operators.

  5. Proceedings (Mathematical Sciences) SUBJECT INDEX

    Indian Academy of Sciences (India)

    Variational formulae for Fuchsian groups over families of ... Nonlinear elliptic differential equations with multivalued ... delay differential equations. 351. Convolution ... Heisenberg's inequality. Uncertainty ... Parabolic bundles. Principal ...

  6. Quantifying Matter

    CERN Document Server

    Angelo, Joseph A

    2011-01-01

    Quantifying Matter explains how scientists learned to measure matter and quantify some of its most fascinating and useful properties. It presents many of the most important intellectual achievements and technical developments that led to the scientific interpretation of substance. Complete with full-color photographs, this exciting new volume describes the basic characteristics and properties of matter. Chapters include:. -Exploring the Nature of Matter. -The Origin of Matter. -The Search for Substance. -Quantifying Matter During the Scientific Revolution. -Understanding Matter's Electromagnet

  7. Toward Control of Matter: Basic Energy Science Needs for a New Class of X-Ray Light Sources

    International Nuclear Information System (INIS)

    Arenholz, Elke; Belkacem, Ali; Cocke, Lew; Corlett, John; Falcone, Roger; Fischer, Peter; Fleming, Graham; Gessner, Oliver; Hasan, M. Zahid; Hussain, Zahid; Kevan, Steve; Kirz, Janos; McCurdy, Bill; Nelson, Keith; Neumark, Dan; Nilsson, Anders; Siegmann, Hans; Stocks, Malcolm; Schafer, Ken; Schoenlein, Robert; Spence, John; Weber, Thorsten

    2008-01-01

    Over the past quarter century, light-source user facilities have transformed research in areas ranging from gas-phase chemical dynamics to materials characterization. The ever-improving capabilities of these facilities have revolutionized our ability to study the electronic structure and dynamics of atoms, molecules, and even the most complex new materials, to understand catalytic reactions, to visualize magnetic domains, and to solve protein structures. Yet these outstanding facilities still have limitations well understood by their thousands of users. Accordingly, over the past several years, many proposals and conceptual designs for 'next-generation' x-ray light sources have been developed around the world. In order to survey the scientific problems that might be addressed specifically by those new light sources operating below a photon energy of about 3 keV and to identify the scientific requirements that should drive the design of such facilities, a workshop 'Science for a New Class of Soft X-Ray Light Sources' was held in Berkeley in October 2007. From an analysis of the most compelling scientific questions that could be identified and the experimental requirements for answering them, we set out to define, without regard to the specific technologies upon which they might be based, the capabilities such light sources would have to deliver in order to dramatically advance the state of research in the areas represented in the programs of the Department of Energy's Office of Basic Energy Sciences (BES). This report is based on the workshop presentations and discussions

  8. Toward Control of Matter: Basic Energy Science Needs for a New Class of X-Ray Light Sources

    Energy Technology Data Exchange (ETDEWEB)

    Arenholz, Elke; Belkacem, Ali; Cocke, Lew; Corlett, John; Falcone, Roger; Fischer, Peter; Fleming, Graham; Gessner, Oliver; Hasan, M. Zahid; Hussain, Zahid; Kevan, Steve; Kirz, Janos; McCurdy, Bill; Nelson, Keith; Neumark, Dan; Nilsson, Anders; Siegmann, Hans; Stocks, Malcolm; Schafer, Ken; Schoenlein, Robert; Spence, John; Weber, Thorsten

    2008-09-24

    Over the past quarter century, light-source user facilities have transformed research in areas ranging from gas-phase chemical dynamics to materials characterization. The ever-improving capabilities of these facilities have revolutionized our ability to study the electronic structure and dynamics of atoms, molecules, and even the most complex new materials, to understand catalytic reactions, to visualize magnetic domains, and to solve protein structures. Yet these outstanding facilities still have limitations well understood by their thousands of users. Accordingly, over the past several years, many proposals and conceptual designs for"next-generation" x-ray light sources have been developed around the world. In order to survey the scientific problems that might be addressed specifically by those new light sources operating below a photon energy of about 3 keV and to identify the scientific requirements that should drive the design of such facilities, a workshop"Science for a New Class of Soft X-Ray Light Sources" was held in Berkeley in October 2007. From an analysisof the most compelling scientific questions that could be identified and the experimental requirements for answering them, we set out to define, without regard to the specific technologies upon which they might be based, the capabilities such light sources would have to deliver in order to dramatically advance the state of research in the areas represented in the programs of the Department of Energy's Office of Basic Energy Sciences (BES). This report is based on the workshop presentations and discussions.

  9. Basic Principles of Animal Science. Reprinted.

    Science.gov (United States)

    Florida State Dept. of Education, Tallahassee.

    The reference book is designed to fulfill the need for organized subject matter dealing with basic principles of animal science to be incorporated into the high school agriculture curriculum. The material presented is scientific knowledge basic to livestock production. Five units contain specific information on the following topics: anatomy and…

  10. Physical Science-Supplement: Project Oriented.

    Science.gov (United States)

    Nederland Independent School District, TX.

    GRADES OR AGES: No mention; appears to be for secondary grades. SUBJECT MATTER: Physical sciences for slow learners. ORGANIZATION AND PHYSICAL APPEARANCE: The guide is divided into 11 units, each of which is further subdivided into several chapters. Each chapter is laid out in three columns; column headings are concepts, content, and activities.…

  11. Pseudoscience and science fiction

    CERN Document Server

    May, Andrew

    2017-01-01

    Aliens, flying saucers, ESP, the Bermuda Triangle, antigravity … are we talking about science fiction or pseudoscience? Sometimes it is difficult to tell the difference. Both pseudoscience and science fiction (SF) are creative endeavours that have little in common with academic science, beyond the superficial trappings of jargon and subject matter. The most obvious difference between the two is that pseudoscience is presented as fact, not fiction. Yet like SF, and unlike real science, pseudoscience is driven by a desire to please an audience – in this case, people who “want to believe”. This has led to significant cross-fertilization between the two disciplines. SF authors often draw on “real” pseudoscientific theories to add verisimilitude to their stories, while on other occasions pseudoscience takes its cue from SF – the symbiotic relationship between ufology and Hollywood being a prime example of this. This engagingly written, well researched and richly illustrated text explores a wide range...

  12. Digital Literacy and Subject Matter Learning

    DEFF Research Database (Denmark)

    Levinsen, Karin; Sørensen, Birgitte Holm

    2015-01-01

    It is generally agreed that learners need to acquire digital literacy in order to be able to act as citizens, employees and entrepreneurs in an increasingly digitalized environment. It is also generally agreed that the educational system has to be responsible for educating towards digital literacy....... However, there is no shared conception of the scope and meaning of digital literacy. The overall picture shows two main approaches: The first aims at digital literacy in the sense of Buildung (general education) while the second addresses a wide range of specific skills and competences: From basic...... computer skills over multimodal analysis to social conventions for behavior in online environments. Consequently designs for teaching and learning that aim at learners acquiring digital literacy and the related learning objectives appear as weak defined. According to the Danish Ministry of Education Shared...

  13. Meeting the Challenge: Teaching Sensitive Subject Matter

    Science.gov (United States)

    Crosby, Dorian B.

    2012-01-01

    When teaching diversity courses that discuss sensitive issues, such as racial, gender, sexuality, religious, and ethnic discrimination, it is possible to encounter student resistance, which can subsequently prevent students from comprehending the content. While teaching an introductory course on African American history in a Black Studies…

  14. A White Paper on keV sterile neutrino Dark Matter

    Czech Academy of Sciences Publication Activity Database

    Adhikari, R.; Agostini, M.; Ky, N. A.; Araki, T.; Archidiacono, M.; Bahr, M.; Baur, J.; Dragoun, Otokar; Vénos, Drahoslav; Zuber, K.

    2017-01-01

    Roč. 2017, č. 1 (2017), č. článku 025. ISSN 1475-7516 R&D Projects: GA ČR(CZ) GAP203/12/1896 Institutional support: RVO:61389005 Keywords : cosmological neutrinos * dark matter experiments * dark matter theory * particle physics - cosmology connection Subject RIV: BN - Astronomy, Celestial Mechanics, Astrophysics OBOR OECD: Astronomy (including astrophysics,space science) Impact factor: 4.734, year: 2016

  15. ACCOUNTING AS BRANCH OF KNOWLEDGE: SCIENCE, TECHNOLOGY AND PRACTICE

    OpenAIRE

    Farias, Manoel Raimundo Santana; Martins, Gilberto de Andrade

    2015-01-01

    The aim of this study was to characterize the accounting as branch of knowledge in three different fields: science, technology and practice. Through theoretical essay, we was argued that, although distinct, these fields interact, in that, as epistemology that justified the analysis here undertaken, the practical activities may be technology subject matter and that to be effective if based on one or more sciences. The difference between science and technology is given by the nature of knowledg...

  16. Jung's "Psychology with the Psyche" and the Behavioral Sciences.

    Science.gov (United States)

    Jones, Raya A

    2013-09-01

    The behavioral sciences and Jung's analytical psychology are set apart by virtue of their respective histories, epistemologies, and definitions of subject matter. This brief paper identifies Jung's scientific stance, notes perceptions of Jung and obstacles for bringing his system of thought into the fold of the behavioral sciences. The impact of the "science versus art" debate on Jung's stance is considered with attention to its unfolding in the fin de siècle era.

  17. Science of learning is learning of science: why we need a dialectical approach to science education research

    Science.gov (United States)

    Roth, Wolff-Michael

    2012-06-01

    Research on learning science in informal settings and the formal (sometimes experimental) study of learning in classrooms or psychological laboratories tend to be separate domains, even drawing on different theories and methods. These differences make it difficult to compare knowing and learning observed in one paradigm/context with those observed in the other. Even more interestingly, the scientists studying science learning rarely consider their own learning in relation to the phenomena they study. A dialectical, reflexive approach to learning, however, would theorize the movement of an educational science (its learning and development) as a special and general case—subject matter and method—of the phenomenon of learning (in/of) science. In the dialectical approach to the study of science learning, therefore, subject matter, method, and theory fall together. This allows for a perspective in which not only disparate fields of study—school science learning and learning in everyday life—are integrated but also where the progress in the science of science learning coincides with its topic. Following the articulation of a contradictory situation on comparing learning in different settings, I describe the dialectical approach. As a way of providing a concrete example, I then trace the historical movement of my own research group as it simultaneously and alternately studied science learning in formal and informal settings. I conclude by recommending cultural-historical, dialectical approaches to learning and interaction analysis as a context for fruitful interdisciplinary research on science learning within and across different settings.

  18. Why Society is a Complex Matter Meeting Twenty-first Century Challenges with a New Kind of Science

    CERN Document Server

    Ball, Philip

    2012-01-01

    Society is complicated. But this book argues that this does not place it beyond the reach of a science that can help to explain and perhaps even to predict social behaviour. As a system made up of many interacting agents – people, groups, institutions and governments, as well as physical and technological structures such as roads and computer networks – society can be regarded as a complex system. In recent years, scientists have made great progress in understanding how such complex systems operate, ranging from animal populations to earthquakes and weather. These systems show behaviours that cannot be predicted or intuited by focusing on the individual components, but which emerge spontaneously as a consequence of their interactions: they are said to be ‘self-organized’. Attempts to direct or manage such emergent properties generally reveal that ‘top-down’ approaches, which try to dictate a particular outcome, are ineffectual, and that what is needed instead is a ‘bottom-up’ approach that aim...

  19. science

    International Development Research Centre (IDRC) Digital Library (Canada)

    David Spurgeon

    Give us the tools: science and technology for development. Ottawa, ...... altered technical rela- tionships among the factors used in the process of production, and the en- .... to ourselves only the rights of audit and periodic substantive review." If a ...... and destroying scarce water reserves, recreational areas and a generally.

  20. Comprehensive understanding of mole concept subject matter according to the tetrahedral chemistry education (empirical study on the first-year chemistry students of Technische Universität Dresden)

    Science.gov (United States)

    Prabowo, D. W.; Mulyani, S.; van Pée, K.-H.; Indriyanti, N. Y.

    2018-05-01

    This research aims to apprehend: (1) the shape of tetrahedral chemistry education which is called the future of chemistry education, (2) comprehensive understanding of chemistry first-year students of Technische Universität Dresden according to the chemistry education’s tetrahedral shape on mole concept subject matter. This research used quantitative and qualitative; paper and pencil test and interview. The former was conducted in the form of test containing objective test instrument. The results of this study are (1) learning based on tetrahedral shape of chemistry education put the chemical substance (macroscopic), symbolic representation (symbol), and its process (molecular) in the context of human beings (human element) by integrating content and context, without emphasis on one thing and weaken another, (2) first-year chemistry students of Technische Universität Dresden have comprehensively understood the mole concept associated with the context of everyday life, whereby students are able to find out macroscopic information from statements that are contextual to human life and then by using symbols and formulas are able to comprehend the molecular components as well as to interpret and analyse problems effectively.

  1. Dark Matter

    Directory of Open Access Journals (Sweden)

    Einasto J.

    2011-06-01

    Full Text Available I give a review of the development of the concept of dark matter. The dark matter story passed through several stages from a minor observational puzzle to a major challenge for theory of elementary particles. Modern data suggest that dark matter is the dominant matter component in the Universe, and that it consists of some unknown non-baryonic particles. Dark matter is the dominant matter component in the Universe, thus properties of dark matter particles determine the structure of the cosmic web.

  2. What Lies Behind NSF Astronomer Demographics? Subjectivities of Women, Minorities and Foreign-born Astronomers within Meshworks of Big Science Astronomy

    Science.gov (United States)

    Guillen, Reynal; Gu, D.; Holbrook, J.; Murillo, L. F.; Traweek, S.

    2011-01-01

    Our current research focuses on the trajectory of scientists working with large-scale databases in astronomy, following them as they strategically build their careers, digital infrastructures, and make their epistemological commitments. We look specifically at how gender, ethnicity, nationality intersect in the process of subject formation in astronomy, as well as in the process of enrolling partners for the construction of instruments, design and implementation of large-scale databases. Work once figured as merely technical support, such assembling data catalogs, or as graphic design, generating pleasing images for public support, has been repositioned at the core of the field. Some have argued that such databases enable a new kind of scientific inquiry based on data exploration, such as the "fourth paradigm" or "data-driven" science. Our preliminary findings based on oral history interviews and ethnography provide insights into meshworks of women, African-American, "Hispanic," Asian-American and foreign-born astronomers. Our preliminary data suggest African-American men are more successful in sustaining astronomy careers than Chicano and Asian-American men. A distinctive theme in our data is the glocal character of meshworks available to and created by foreign-born women astronomers working at US facilities. Other data show that the proportion of Asian to Asian American and foreign-born Latina/o to Chicana/o astronomers is approximately equal. Futhermore, Asians and Latinas/os are represented in significantly greater numbers than Asian Americans and Chicanas/os. Among professional astronomers in the US, each ethnic minority group is numbered on the order of tens, not hundreds. Project support is provided by the NSF EAGER program to University of California, Los Angeles under award 0956589.

  3. An application of cellular organic matter to coagulation of cyanobacterial cells (Merismopedia tenuissima)

    Czech Academy of Sciences Publication Activity Database

    Barešová, Magdalena; Pivokonský, Martin; Novotná, Kateřina; Načeradská, Jana; Brányik, T.

    2017-01-01

    Roč. 122, October (2017), s. 70-77 ISSN 0043-1354 Institutional support: RVO:67985874 Keywords : algal cellular organic matter * coagulation * cyanobacterial cells * Merismopedia tenuissima * water treatment Subject RIV: DJ - Water Pollution ; Quality OBOR OECD: Environmental sciences (social aspects to be 5.7) Impact factor: 6.942, year: 2016

  4. Photochemical degradation of dissolved organic matter reduces the availability of phosphorus for aquatic primary producers

    Czech Academy of Sciences Publication Activity Database

    Porcal, Petr; Kopáček, Jiří

    2018-01-01

    Roč. 193, FEB (2018), s. 1018-1026 ISSN 0045-6535 R&D Projects: GA ČR GA15-09721S Institutional support: RVO:60077344 Keywords : photochemistry * phosphorus * dissolved organic matter * aluminum * iron Subject RIV: DA - Hydrology ; Limnology OBOR OECD: Environmental sciences (social aspects to be 5.7) Impact factor: 4.208, year: 2016

  5. The impact of pre-oxidation with potassium permanganate on cyanobacterial organic matter removal by coagulation

    Czech Academy of Sciences Publication Activity Database

    Načeradská, Jana; Pivokonský, Martin; Pivokonská, Lenka; Barešová, Magdalena; Henderson, R.K.; Zamyadi, A.; Janda, V.

    2017-01-01

    Roč. 114, May (2017), s. 42-49 ISSN 0043-1354 Institutional support: RVO:67985874 Keywords : algal organic matter * coagulation * Microcystis aeruginosa * peptides/proteins * permanganate pre-oxidation * water treatment Subject RIV: DJ - Water Pollution ; Quality OBOR OECD: Environmental sciences (social aspects to be 5.7) Impact factor: 6.942, year: 2016

  6. Effects of Transfer to Real-World Subject Area Materials from Training in Graphic Organizers and Summarizing on Developmental College Readers' Comprehension of the Compare/Contrast Text Structure in Science Expository Text.

    Science.gov (United States)

    Balajthy, Ernest; Weisberg, Renee

    To determine whether less able readers could use the strategies they had been taught, a study investigated the transfer effects of training in the use of graphic organizers and summary writing on readers' recognition of the compare/contrast text structure. Subjects, 70 freshmen at a western New York state college of liberal arts and sciences in a…

  7. Invertebrates and Organ Systems: Science Instruction and "Fostering a Community of Learners"

    Science.gov (United States)

    Rico, Stephanie A.; Shulman, Judith H.

    2004-01-01

    This paper is the third in a set of papers that explores the understanding and implementation of the educational system, "Fostering a Community of Learners" (FCL) across subject matters. We examine how FCL is influenced by the discipline of science, the teaching of science, and the conceptions that teachers have surrounding these two topics. We…

  8. Teaching about the "Economic Crisis" Today. The Example of French "Economic and Social Sciences"

    Science.gov (United States)

    Coléno, Yves-Patrick; Blanchard, Hervé

    2017-01-01

    Purpose: In France at the high school the subject matter "Sciences Économiques et Sociales" (economic and social sciences) deals with the present economic crisis. We study the ways it is taught about: words, and explanatory patterns. Design/methodology/approach: We use a specific approach, that we call "semantic holism",…

  9. Social Science Curriculum Guide and Selected Multi-Media, K-6.

    Science.gov (United States)

    Gaydosh, Ronald; And Others

    GRADES OR AGES: K-6. SUBJECT MATTER: Social science. ORGANIZATION AND PHYSICAL APPEARANCE: The introductory material includes an explanation of the rationale, definitions of the social science core disciplines, glossary of terms, guidelines for teaching, and descriptions of concepts. The main body of the guide is designed in a five-column…

  10. Physics of condensed matter at extreme conditions

    International Nuclear Information System (INIS)

    Ross, M.

    1988-01-01

    The study of matter under extreme conditions is a highly interdisciplinary subject with broad applications to materials science, geophysics and astrophysics. High-pressure properties are studied in the laboratory using static and dynamic techniques. The two differ drastically in the methods of generating and measuring pressure and in the fundamentally different nature of the final compressed state. This article covers a very broad range of conditions, intended to present an overview of important recent developments and to emphasize the behavior of materials and the kinds of properties now being studied

  11. Expanding subjectivities

    DEFF Research Database (Denmark)

    Lundgaard Andersen, Linda; Soldz, Stephen

    2012-01-01

    A major theme in recent psychoanalytic thinking concerns the use of therapist subjectivity, especially “countertransference,” in understanding patients. This thinking converges with and expands developments in qualitative research regarding the use of researcher subjectivity as a tool......-Saxon and continental traditions, this special issue provides examples of the use of researcher subjectivity, informed by psychoanalytic thinking, in expanding research understanding....

  12. Science Teachers' Decision-Making in Abstinence-Only-Until-Marriage (AOUM) Classrooms: Taboo Subjects and Discourses of Sex and Sexuality in Classroom Settings

    Science.gov (United States)

    Gill, Puneet Singh

    2015-01-01

    Sex education, especially in the southeastern USA, remains steeped in an Abstinence-Only-Until-Marriage (AOUM) approach, which sets up barriers to the education of sexually active students. Research confirms that science education has the potential to facilitate discussion of controversial topics, including sex education. Science teachers in the…

  13. Application of DRIFTS, 13 C NMR, and py-MBMS to Characterize the Effects of Soil Science Oxidation Assays on Soil Organic Matter Composition in a Mollic Xerofluvent

    Energy Technology Data Exchange (ETDEWEB)

    Margenot, Andrew J.; Calderón, Francisco J.; Magrini, Kimberly A.; Evans, Robert J.

    2016-12-20

    Chemical oxidations are routinely employed in soil science to study soil organic matter (SOM), and their interpretation could be improved by characterizing oxidation effects on SOM composition with spectroscopy. We investigated the effects of routinely employed oxidants on SOM composition in a Mollic Xerofluvent representative of intensively managed agricultural soils in the California Central Valley. Soil samples were subjected to oxidation by potassium permanganate (KMnO4), sodium hypochlorite (NaOCl), and hydrogen peroxide (H2O2). Additionally, non-oxidized and oxidized soils were treated with hydrofluoric acid (HF) to evaluate reduction of the mineral component to improve spectroscopy of oxidation effects. Oxidized non-HF and HF-treated soils were characterized by diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS), 13C cross polarization magic angle spinning (CP-MAS) nuclear magnetic resonance (NMR) spectroscopy, and pyrolysis molecular beam mass spectrometry (py-MBMS), and for particle size distribution (PSD) using laser diffractometry (LD). Across the range of soil organic carbon (OC) removed by oxidations (14-72%), aliphatic C-H stretch at 3000-2800 cm-1 (DRIFTS) decreased with OC removal, and this trend was enhanced by HF treatment due to significant demineralization in this soil (70%). Analysis by NMR spectroscopy was feasible only after HF treatment, and did not reveal trends between OC removal and C functional groups. Pyrolysis-MBMS did not detect differences among oxidations, even after HF treatment of soils. Hydrofluoric acid entailed OC loss (13-39%), and for H2O2 oxidized soils increased C:N and substantially decreased mean particle size. This study demonstrates the feasibility of using HF to improve characterizations of SOM composition following oxidations as practiced in soil science, in particular for DRIFTS. Since OC removal by oxidants, mineral removal by HF, and the interaction of oxidants and HF observed for this soil may

  14. Present status and future subjects of the analytical studies related with application of charged particles and RI to materials science and biotechnology

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-03-01

    The position in the research field of radiation application of Theoretical Analysis Group for Radiation Application' which will be set up within fiscal 2003, and the relation between the research that this analytical group will advance in future and the analytical research made so far at Takasaki Radiation Chemistry Establishment (JAERI, Takasaki) are summarized. Since the JAERI Takasaki was founded as the center of the research and development on radiation chemistry, a lot of outcomes have been obtained in the research and development of radiation application using large-sized {sup 60}Co gamma ray irradiation facilities and high power electron accelerators, etc. After the ion irradiation research facility (TIARA) started operation, many outstanding outcomes have been obtained in the research of up-to-date science and technologies in the fields of material science and bio-technology, etc., making use of ions in addition to gamma rays and electron beams. Although these results of the research are mainly produced experimentally, theoretical analyses also are thought to be important because these results will be applied and expanded in future. We aim to set up 'Theoretical Analysis Group for Radiation Application' in fiscal 2003, and we aim at performing theoretical and engineering analyses about phenomena and things such as radiation chemical reactions, irradiation/implantation effects to semiconductors, model for plant function, etc. The irradiation effects of charged particles to materials are divided into the primary effects like generation of radicals and lattice defects, etc., which occurs immediately after charged particles impinge on materials, and the secondary effects like chemical changes and physical changes caused in materials as a result of the primary effects. The subjects of our analytical research are the analyses of the secondary effects and the systems which utilize the chemical and the physical changes to the radiation application

  15. From Matter to Life: Chemistry?!

    Indian Academy of Sciences (India)

    chemistry came along at milder temperatures; particles formed atoms; these ... Chemistry is the science of matter and of its transformations, and life is its highest ..... information. The progression from elementary particles to the nucleus, the.

  16. Sciences & Nature

    African Journals Online (AJOL)

    AFRICAN JOURNALS ONLINE (AJOL) · Journals · Advanced Search · USING AJOL ... Sciences & Nature, the Scientific Journal edited by the University of ... Subjects covered include agronomy, sciences of the earth, environment, biological, ...

  17. Speech Matters

    DEFF Research Database (Denmark)

    Hasse Jørgensen, Stina

    2011-01-01

    About Speech Matters - Katarina Gregos, the Greek curator's exhibition at the Danish Pavillion, the Venice Biannual 2011.......About Speech Matters - Katarina Gregos, the Greek curator's exhibition at the Danish Pavillion, the Venice Biannual 2011....

  18. Memory Matters

    Science.gov (United States)

    ... Staying Safe Videos for Educators Search English Español Memory Matters KidsHealth / For Kids / Memory Matters What's in ... of your complex and multitalented brain. What Is Memory? When an event happens, when you learn something, ...

  19. Matter: the fundamental particles

    CERN Multimedia

    Landua, Rolf

    2007-01-01

    "The largest particle physics centre in the world is located in Europe. It straddles the Franco-Swiss border, near Geneva. At CERN - the European Organisation for Nuclear Research , which is focused on the science of nuclear matter rather than on the exploitation of atomic energy - there are over 6 500 scientists." (1 page)

  20. Why Philosophy Matters

    Science.gov (United States)

    Mason, Richard

    2005-01-01

    The motives of philosophers tend to be personal. Philosophy has mattered politically as part of continuing political debates. Its effects on politics, religion and the development of the sciences have been evident. Philosophy has been supposed to have special educational value, from its contents or from the benefits of its methods and arguments.…

  1. Dark Matter

    Indian Academy of Sciences (India)

    What You See Ain't What. You Got, Resonance, Vol.4,. No.9,1999. Dark Matter. 2. Dark Matter in the Universe. Bikram Phookun and Biman Nath. In Part 11 of this article we learnt that there are compelling evidences from dynamics of spiral galaxies, like our own, that there must be non-luminous matter in them. In this.

  2. The research of condensed matter physics by using intense proton accelerator

    International Nuclear Information System (INIS)

    Endoh, Yasuo

    1990-01-01

    The present article covers the application of intense protons to basic condensed matter physics. Major recent neutron scattering activities in condensed matter physics are first outlined, emphasizing the fact that the contribution of accelerator base science has a tremendous impact on this basic science. Application of spallation neutrons to condensed matter physics is discussed in relation to such subjects as high energy (epithermal) excitations and small angle neutron scattering. Then the specific subject of high Tc superconductor is addressed, focusing on how neutrons as well as muons provide experimental results that serve significantly in exploring the mechanism of exotic high Tc superconductivity. Techniques for neutron polarization must be developed in the future. The neutron spin reflectivity ratio has been shown to be a sensitive probe of surface depth profile of magnetization. Another new method is neutron depolarization to probe bulk magnetic induction throughout a slab which neutrons pass through. (N.K.)

  3. Radiological sciences dictionary

    CERN Document Server

    Dowsett, David

    2009-01-01

    The Radiological Sciences Dictionary is a rapid reference guide for all hospital staff employed in diagnostic imaging, providing definitions of over 3000 keywords as applied to the technology of diagnostic radiology.Written in a concise and easy to digest form, the dictionary covers a wide variety of subject matter, including:· radiation legislation and measurement · computing and digital imaging terminology· nuclear medicine radionuclides and radiopharmaceuticals· radiographic contrast agents (x-ray, MRI and ultrasound)· definitions used in ultrasound and MRI technology· statistical exp

  4. Thematic mapper research in the earth sciences: Small scale patches of suspended matter and phytoplankton in the Elbe River Estuary, German Bight and Tidal Flats

    Science.gov (United States)

    Grassl, H.; Doerffer, R.; Fischer, J.; Brockmann, C.; Stoessel, M.

    1987-01-01

    A Thematic Mapper (TM) field experiment was followed by a data analysis to determine TM capabilities for analysis of suspended matter and phytoplankton. Factor analysis showed that suspended matter concentration, atmospheric scattering, and sea surface temperature can be retrieved as independent factors which determine the variation in the TM data over water areas. Spectral channels in the near infrared open the possibility of determining the Angstrom exponent better than for the coastal zone color scanner. The suspended matter distribution may then be calculated by the absolute radiance of channel 2 or 3 or the ratio of both. There is no indication of whether separation of chlorophyll is possible. The distribution of suspended matter and sea surface temperature can be observed with the expected fine structure. A good correlation between water depth and suspended matter distribution as found from ship data can now be analyzed for an entire area by the synoptic view of the TM scenes.

  5. Mind, matter, and Pauli

    International Nuclear Information System (INIS)

    Stapp, H.P.

    1992-01-01

    The role of subjective experience in physical theory is discussed, with particular attention to the later ideas of Wolfgang Pauli. These ideas appear to open the door to a unified framework for the development of science

  6. Mind, matter, and Pauli

    Energy Technology Data Exchange (ETDEWEB)

    Stapp, H.P.

    1992-09-10

    The role of subjective experience in physical theory is discussed, with particular attention to the later ideas of Wolfgang Pauli. These ideas appear to open the door to a unified framework for the development of science.

  7. NASA/MSFC/NSSTC Science Communication Roundtable

    Science.gov (United States)

    Adams, Mitzi L.; Gallagher, D. L.; Koczor, R. J.; Whitaker, Ann F. (Technical Monitor)

    2001-01-01

    For the last several years the Science Directorate at Marshall Space Flight Center has carried out a diverse program of Internet-based science communication. The Directorate's Science Roundtable includes active researchers, NASA public relations, educators, and administrators. The Science@NASA award-winning family of Web sites features science, mathematics, and space news. The program includes extended stories about NASA science, a curriculum resource for teachers tied to national education standards, on-line activities for students, and webcasts of real-time events. Science stories cover a variety of space-related subjects and are expressed in simple terms everyone can understand. The sites address such questions as: what is space weather, what's in the heart of a hurricane, can humans live on Mars, and what is it like to live aboard the International Space Station? Along with a new look, the new format now offers articles organized by subject matter, such as astronomy, living in space, earth science or biology. The focus of sharing real-time science related events has been to involve and excite students and the public about science. Events have involved meteor showers, solar eclipses, natural very low frequency radio emissions, and amateur balloon flights. In some cases broadcasts accommodate active feedback and questions from Internet participants. Information will be provided about each member of the Science@NASA web sites.

  8. RUSSIAN LAW SUBJECTS

    Directory of Open Access Journals (Sweden)

    D.N. Bakhrakh

    2006-03-01

    Full Text Available The question about the subjects of law branches is concerning the number of most important and difficult in law science. Its right decision influences on the subject of law regulation, precise definition of addressees of law norms, the volume of their rights and duties, the limits of action of norms of Main part of the branch, its principles. Scientific investigations, dedicated to law subjects system, promote the development of recommendations for the legislative and law applying activity; they are needed for scientific work organization and student training, for preparing qualified lawyers.

  9. 75 FR 13141 - National Science Board; Sunshine Act Meetings; Notice

    Science.gov (United States)

    2010-03-18

    ... AND TIME: Wednesday, March 24, 2010, 11 a.m. SUBJECT MATTER: Discussion of Recent NSF Portfolio Review Materials, Issues for the Portfolio Assessment, and Next Steps. STATUS: Open. This meeting will be held by... National Science Board Web site ( http://www.nsf.gov/nsb ) for information or schedule updates, or contact...

  10. 75 FR 47030 - National Science Board; Sunshine Act Meetings; Notice

    Science.gov (United States)

    2010-08-04

    ... Committee on Programs and Plans. STATUS: Open. LOCATION: This meeting will be held by teleconference... Programs and Plans, pursuant to NSF regulations (45 CFR part 614), the National Science Foundation Act, as... business and other matters specified, as follows: DATE AND TIME: August 12, 2010 at 3 p.m. EDT. SUBJECT...

  11. Consumer Citizenship Curriculum Guides for Social Studies, English, Science, Mathematics.

    Science.gov (United States)

    MacKenzie, Louise; Smith, Alice

    These four consumer citizenship curriculum guides for social studies, English, science, and mathematics incorporate consumer education into these subject matter areas in grades 8-12. Each guide is organized around 10 main component/goals. They are basic economics in the marketplace, credit, consumer law/protection, banking skills, comparison…

  12. 78 FR 55116 - National Science Board; Sunshine Act Meetings; Notice

    Science.gov (United States)

    2013-09-09

    ... for the transaction of National Science Board business, as follows: DATE AND TIME: Thursday, September 12, 2013 at 10:30 a.m. EDT. SUBJECT MATTER: Consideration of nominations for the NSB class of 2014.... Ann Bushmiller, NSB Senior Legal Counsel. [FR Doc. 2013-21968 Filed 9-5-13; 11:15 am] BILLING CODE...

  13. 78 FR 51752 - Sunshine Act Meetings; National Science Board

    Science.gov (United States)

    2013-08-21

    ... for the transaction of National Science Board business, as follows: DATE AND TIME: Monday, August 26, 2013 at 3:30 p.m. EST SUBJECT MATTER: Consideration of nominations for the NSB class of 2014- 2020... Bushmiller, NSB Senior Legal Counsel. [FR Doc. 2013-20485 Filed 8-19-13; 4:15 pm] BILLING CODE 7555-01-P ...

  14. Developmental changes and gender effects on motivational constructs based on the expectancy-value model in Czech and United States students regarding learning of science, mathematics, and other subjects

    Science.gov (United States)

    Yang, Eun-Mi

    This study employed American and Czech student samples to investigate the motivational constructs used in Eccles and Wigfield's (1983) expectancy-value model. To predict achievement behavior, the model specifies relationships among expectancy for-success and task value, task-specific self-concept, perception of task-difficulty, perceptions of social environment, and interpretations and attributions for past events in relation to the social world. Czech and American students (n = 1,145) in grades 4--12 were the participants in this study. The causal relationships among the constructs were tested to investigate structural similarities and differences in the models for both countries. This study also explored developmental changes, gender, and national differences in the students' motivational beliefs for these motivational constructs: Expectancy for Success, Intrinsic Interest Value, Task-specific Self-concept, Perception of Task-difficulty, and Perceived Vocational Gender Dominance for science, mathematics, and other school subjects. The findings indicated that, for both countries, with respect to changes over grade level, compared to the younger students, the older students showed lower motivational beliefs for most subject areas except reading. However, the Czech students in grades 6--8 showed more positive motivational beliefs in life science and social studies than did the Czech students in other grade levels. In comparing genders, the male students exhibited more positive motivational beliefs in physical science than did the female students, and female students showed more positive motivational beliefs in reading than did the male students. For life science, the Czech female students rated Intrinsic Interest Value and Task-specific Self-concept higher than did their peer male students. The American students' motivational beliefs in reading were more positive than were Czech students', and the Czech students held more positive motivational beliefs in life

  15. A cohort of novice Danish science teachers

    DEFF Research Database (Denmark)

    Nielsen, Birgitte Lund

    2011-01-01

    A survey on science background and argumentation about science teaching was conducted on a local cohort of newly qualified Danish science teachers. The survey was administered before the novice teachers began their first jobs in primary and lower secondary schools and focused on their reflections...... on specific scenarios of science teaching and themselves as teachers in various science fields. Three areas of concern were identified:There was evidence of reflection upon and argumentation for the practice of science teaching being student centered, but many respondents showed a tendency to focus...... on students' activities as a goal in themselves, few considered what the students learned through the activities. Results furthermore suggest that the teachers' own assessment of their subject matter knowledge in the physics field may, for a large subgroup in the cohort, affect their approach to teaching...

  16. In search of dark matter

    CERN Document Server

    Freeman, Kenneth C

    2006-01-01

    The dark matter problem is one of the most fundamental and profoundly difficult to solve problems in the history of science. Not knowing what makes up most of the known universe goes to the heart of our understanding of the Universe and our place in it. In Search of Dark Matter is the story of the emergence of the dark matter problem, from the initial erroneous ‘discovery’ of dark matter by Jan Oort to contemporary explanations for the nature of dark matter and its role in the origin and evolution of the Universe. Written for the educated non-scientist and scientist alike, it spans a variety of scientific disciplines, from observational astronomy to particle physics. Concepts that the reader will encounter along the way are at the cutting edge of scientific research. However the themes are explained in such a way that no prior understanding of science beyond a high school education is necessary.

  17. D matter

    International Nuclear Information System (INIS)

    Shiu, Gary; Wang Liantao

    2004-01-01

    We study the properties and phenomenology of particlelike states originating from D branes whose spatial dimensions are all compactified. They are nonperturbative states in string theory and we refer to them as D matter. In contrast to other nonperturbative objects such as 't Hooft-Polyakov monopoles, D-matter states could have perturbative couplings among themselves and with ordinary matter. The lightest D particle (LDP) could be stable because it is the lightest state carrying certain (integer or discrete) quantum numbers. Depending on the string scale, they could be cold dark matter candidates with properties similar to that of WIMPs or wimpzillas. The spectrum of excited states of D matter exhibits an interesting pattern which could be distinguished from that of Kaluza-Klein modes, winding states, and string resonances. We speculate about possible signatures of D matter from ultrahigh energy cosmic rays and colliders

  18. Dark Matter

    International Nuclear Information System (INIS)

    Bashir, A.; Cotti, U.; De Leon, C. L.; Raya, A; Villasenor, L.

    2008-01-01

    One of the biggest scientific mysteries of our time resides in the identification of the particles that constitute a large fraction of the mass of our Universe, generically known as dark matter. We review the observations and the experimental data that imply the existence of dark matter. We briefly discuss the properties of the two best dark-matter candidate particles and the experimental techniques presently used to try to discover them. Finally, we mention a proposed project that has recently emerged within the Mexican community to look for dark matter

  19. Present status and future subjects of the analytical studies related with application of charged particles and RI to materials science and biotechnology

    CERN Document Server

    2003-01-01

    The position in the research field of radiation application of Theoretical Analysis Group for Radiation Application' which will be set up within fiscal 2003, and the relation between the research that this analytical group will advance in future and the analytical research made so far at Takasaki Radiation Chemistry Establishment (JAERI, Takasaki) are summarized. Since the JAERI Takasaki was founded as the center of the research and development on radiation chemistry, a lot of outcomes have been obtained in the research and development of radiation application using large-sized sup 6 sup 0 Co gamma ray irradiation facilities and high power electron accelerators, etc. After the ion irradiation research facility (TIARA) started operation, many outstanding outcomes have been obtained in the research of up-to-date science and technologies in the fields of material science and bio-technology, etc., making use of ions in addition to gamma rays and electron beams. Although these results of the research are mainly pr...

  20. Analysis of chemical concepts as the basic of virtual laboratory development and process science skills in solubility and solubility product subject

    Science.gov (United States)

    Syafrina, R.; Rohman, I.; Yuliani, G.

    2018-05-01

    This study aims to analyze the concept characteristics of solubility and solubility products that will serve as the basis for the development of virtual laboratory and students' science process skills. Characteristics of the analyzed concepts include concept definitions, concept attributes, and types of concepts. The concept analysis method uses concept analysis according to Herron. The results of the concept analysis show that there are twelve chemical concepts that become the prerequisite concept before studying the solubility and solubility and five core concepts that students must understand in the solubility and Solubility product. As many as 58.3% of the definitions of the concepts contained in high school textbooks support students' science process skills, the rest of the definition of the concept is memorized. Concept attributes that meet three levels of chemical representation and can be poured into a virtual laboratory have a percentage of 66.6%. Type of concept, 83.3% is a concept based on principle; and 16.6% concepts that state the process. Meanwhile, the science process skills that can be developed based on concept analysis are the ability to observe, calculate, measure, predict, interpret, hypothesize, apply, classify, and inference.

  1. Front Matter

    Directory of Open Access Journals (Sweden)

    HLRC Editor

    2016-08-01

    Full Text Available Higher Learning Research Communications (HLRC, ISSN: 2157-6254 [Online] is published collaboratively by Walden University (USA, Universidad Andrés Bello (Chile, Universidad Europea de Madrid (Spain and Istanbul Bilgi University (Turkey. Written communication to HLRC should be addressed to the office of the Executive Director at Laureate Education, Inc. 701 Brickell Ave Ste. 1700, Miami, FL 33131, USA. HLRC is designed for open access and online distribution through www.hlrcjournal.com. The views and statements expressed in this journal do not necessarily reflect the views of Laureate Education, Inc. or any of its affiliates (collectively “Laureate”. Laureate does not warrant the accuracy, reliability, currency or completeness of those views or statements and does not accept any legal liability arising from any reliance on the views, statements and subject matter of the journal. Acknowledgements The Guest Editors gratefully acknowledge the substantial contribution of the readers for the blind peer review of essays submitted for this special issue as exemplars of individuals from around the world who have come together in a collective endeavor for the common good: Robert Bringle (Indiana University Purdue University Indianapolis, US, Linda Buckley (University of the Pacific, US, Guillermo Calleja (Universidad Rey Juan Carlos, Spain, Eva Egron-Polak (International Association of Universities, France, Heather Friesen (Abu Dhabi University, UAE, Saran Gill (National University of Malaysia, Malaysia, Chester Haskell (higher education consultant, US, Kanokkarn Kaewnuch (National Institute for Development Administration, Thailand, Gil Latz (Indiana University Purdue University Indianapolis, US, Molly Lee (higher education consultant, Malaysia, Deane Neubauer (East-West Center at University of Hawaii, US, Susan Sutton (Bryn Mawr College, US, Francis Wambalaba (United States International University, Kenya, and Richard Winn (higher education

  2. Earth Systems Science in an Integrated Science Content and Methods Course for Elementary Education Majors

    Science.gov (United States)

    Madsen, J. A.; Allen, D. E.; Donham, R. S.; Fifield, S. J.; Shipman, H. L.; Ford, D. J.; Dagher, Z. R.

    2004-12-01

    With funding from the National Science Foundation, we have designed an integrated science content and methods course for sophomore-level elementary teacher education (ETE) majors. This course, the Science Semester, is a 15-credit sequence that consists of three science content courses (Earth, Life, and Physical Science) and a science teaching methods course. The goal of this integrated science and education methods curriculum is to foster holistic understandings of science and pedagogy that future elementary teachers need to effectively use inquiry-based approaches in teaching science in their classrooms. During the Science Semester, traditional subject matter boundaries are crossed to stress shared themes that teachers must understand to teach standards-based elementary science. Exemplary approaches that support both learning science and learning how to teach science are used. In the science courses, students work collaboratively on multidisciplinary problem-based learning (PBL) activities that place science concepts in authentic contexts and build learning skills. In the methods course, students critically explore the theory and practice of elementary science teaching, drawing on their shared experiences of inquiry learning in the science courses. An earth system science approach is ideally adapted for the integrated, inquiry-based learning that takes place during the Science Semester. The PBL investigations that are the hallmark of the Science Semester provide the backdrop through which fundamental earth system interactions can be studied. For example in the PBL investigation that focuses on energy, the carbon cycle is examined as it relates to fossil fuels. In another PBL investigation centered on kids, cancer, and the environment, the hydrologic cycle with emphasis on surface runoff and ground water contamination is studied. In a PBL investigation that has students learning about the Delaware Bay ecosystem through the story of the horseshoe crab and the biome

  3. Deconstructing science

    Science.gov (United States)

    Trifonas, Peter Pericles

    2012-12-01

    In this paper I expand on the premises of Jesse Bazzul's thesis in his paper, Neoliberal ideology, global capitalism, and science education: engaging the question of subjectivity, exploring the implications of the ideologies within the culturally emerging logic of science exposes the incommensurability of intents and purposes in its methods and epistemology. I argue that science needs to acknowledge the subjectivity at its core to make space for non-absolute agents and new fields of study.

  4. Which Elementary School Subjects Are the Most Likeable, Most Important, and the Easiest? Why?: A Study of Science and Technology, Mathematics, Social Studies, and Turkish

    Science.gov (United States)

    Dündar, Sahin; Güvendir, Meltem Acar; Kocabiyik, Oya Onat; Papatga, Erdal

    2014-01-01

    The present study was conducted first to identify which school subjects were most liked, most important, and most difficult, as well as least liked, least important and easiest as perceived by elementary school students and second to explore the reasons why students most/least liked, considered as most/least important, and considered as most…

  5. Elementary student teachers' science content representations

    Science.gov (United States)

    Zembal-Saul, Carla; Krajcik, Joseph; Blumenfeld, Phyllis

    2002-08-01

    This purpose of this study was to examine the ways in which three prospective teachers who had early opportunities to teach science would approach representing science content within the context of their student teaching experiences. The study is framed in the literature on pedagogical content knowledge and learning to teach. A situated perspective on cognition is applied to better understand the influence of context and the role of the cooperating teacher. The three participants were enrolled in an experimental teacher preparation program designed to enhance the teaching of science at the elementary level. Qualitative case study design guided the collection, organization, and analysis of data. Multiple forms of data associated with student teachers' content representations were collected, including audiotaped planning and reflection interviews, written lesson plans and reflections, and videotaped teaching experiences. Broad analysis categories were developed and refined around the subconstructs of content representation (i.e., knowledge of instructional strategies that promote learning and knowledge of students and their requirements for meaningful science learning). Findings suggest that when prospective teachers are provided with opportunities to apply and reflect substantively on their developing considerations for supporting children's science learning, they are able to maintain a subject matter emphasis. However, in the absence of such opportunities, student teachers abandon their subject matter emphasis, even when they have had extensive background and experiences addressing subject-specific considerations for teaching and learning.

  6. The Subjectivity of Participation

    DEFF Research Database (Denmark)

    Nissen, Morten

    of a community of social/youth workers in Copenhagen between 1987 and 2003, who developed a pedagogy through creating collectives and mobilizing young people as participants. The theoretical and practical traditions are combined in a unique methodology viewing research as a contentious modeling of prototypical......What is a 'we' – a collective – and how can we use such communal self-knowledge to help people? This book is about collectivity, participation, and subjectivity – and about the social theories that may help us understand these matters. It also seeks to learn from the innovative practices and ideas...

  7. Condensed matter physics

    CERN Document Server

    Isihara, A

    2007-01-01

    More than a graduate text and advanced research guide on condensed matter physics, this volume is useful to plasma physicists and polymer chemists, and their students. It emphasizes applications of statistical mechanics to a variety of systems in condensed matter physics rather than theoretical derivations of the principles of statistical mechanics and techniques. Isihara addresses a dozen different subjects in separate chapters, each designed to be directly accessible and used independently of previous chapters. Topics include simple liquids, electron systems and correlations, two-dimensional

  8. THE INFLUENCE OF SCIENCE LEARNING SET USING SCIENTIFIC APPROACH AND PROBLEM SOLVING MODEL ON LEARNING OUTCOMES OF JUNIOR HIGH SCHOOL STUDENTS IN THE SUBJECT OF HEAT AND TEMPERATURE

    OpenAIRE

    T. Triyuni

    2016-01-01

    This research aims to produce the scientific approach for science learning using a problem solving model on the topic of heat and temperatureon the junior high school learning outcome. The curriculum used during the study was curriculum 2013 (valid, practical and effective). The development of the learning setfollowed the four-D model which was reduced to three-D model (without dissemination). The study was tested in Class VIIA, VIIB, and VIIC in SMP Negeri 5 Academic Year 2015/2016. The data...

  9. Study of the the efficacy Magiran, Noormags and SID database in retrieval and relevance of Information Science and Knowledge subject by free keywords and Compare them in terms of the use of controlled keywords

    Directory of Open Access Journals (Sweden)

    Mehri Shahbazi

    2016-03-01

    Full Text Available Today, Speed and coverage are two important factors that are considered by databases. In fact, a database in a particular subject area can be valid when a large percentage of the area covered by the thematic keywords and consequently it can provide most of the resources with the resources for that subject. The present study was conducted based on analytical - survey method with the main objectives of comparing Noormagz, Magiran and SID databases according to the rate of information, knowledge retrieval, and relevance of thematic vocabulary by free and controlled Keywords as well as Secondary objectives of comparing the coverage and overlap of these three databases of indexed journals in the field of information science and knowledge. All journals in the field of information and knowledge science are approved by the Ministry of Science, Research and Technology, according to the latest list of valid publications of this ministry in March 2016 , and key words taken from the articles in these journals were considered population of this research. Searching and comparing selected thematic keywords in each of the study databases indicated that there are a huge difference regarding free and controlled vocabulary retrieval of information and knowledge science in Noormagz database compared to the other two sites. In addition, studying the thematic relevance of research data showed that the ability of this database for receiving other related articles is more than two other databases. Although the titles of journals in Magiran database were more than those two databases and this database compared to two other databases was more update, the number of journals published in Noormagz database were more than others.

  10. Dark matters

    International Nuclear Information System (INIS)

    Silk, Joseph

    2010-01-01

    One of the greatest mysteries in the cosmos is that it is mostly dark. That is, not only is the night sky dark, but also most of the matter and the energy in the universe is dark. For every atom visible in planets, stars and galaxies today there exists at least five or six times as much 'Dark Matter' in the universe. Astronomers and particle physicists today are seeking to unravel the nature of this mysterious but pervasive dark matter, which has profoundly influenced the formation of structure in the universe. Dark energy remains even more elusive, as we lack candidate fields that emerge from well established physics. I will describe various attempts to measure dark matter by direct and indirect means, and discuss the prospects for progress in unravelling dark energy.

  11. Dirac matter

    CERN Document Server

    Rivasseau, Vincent; Fuchs, Jean-Nöel

    2017-01-01

    This fifteenth volume of the Poincare Seminar Series, Dirac Matter, describes the surprising resurgence, as a low-energy effective theory of conducting electrons in many condensed matter systems, including graphene and topological insulators, of the famous equation originally invented by P.A.M. Dirac for relativistic quantum mechanics. In five highly pedagogical articles, as befits their origin in lectures to a broad scientific audience, this book explains why Dirac matters. Highlights include the detailed "Graphene and Relativistic Quantum Physics", written by the experimental pioneer, Philip Kim, and devoted to graphene, a form of carbon crystallized in a two-dimensional hexagonal lattice, from its discovery in 2004-2005 by the future Nobel prize winners Kostya Novoselov and Andre Geim to the so-called relativistic quantum Hall effect; the review entitled "Dirac Fermions in Condensed Matter and Beyond", written by two prominent theoreticians, Mark Goerbig and Gilles Montambaux, who consider many other mater...

  12. La educación como objeto de interés para las ciencias de la complejidad The education as a subject of interest of the science of complexity

    Directory of Open Access Journals (Sweden)

    Cecilia Dimaté Rodríguez

    2007-12-01

    Full Text Available Las ciencias de la complejidad se consideran hoy el punto más avanzado del estudio de las ciencias mismas, en tanto, con el desarrollo de sus temas se busca transformar las relaciones entre los seres humanos y su entorno en general, bajo el espectro de una construcción teórica enraizada en una visión multidisciplinar. La educación, como campo de producción y reproducción de saber, debería configurar también un objeto de estudio de las ciencias de la complejidad, sin embargo, las aproximaciones que desde las ciencias de la complejidad se han hecho al estudio de la educación han sido escasas y se han centrado esencialmente en una de sus corrientes denominada pensamiento complejo. El presente artículo aborda la temática de la educación en el marco de las ciencias de la complejidad que, necesariamente, lleva a la reflexión del papel que estas ciencias cumplen actualmente en la configuración del tema educativo.Today, sciences of the complexity are considered the most advanced point of the study of sciences themselves. Through the development of their subjects, each science searches to transform the relations between human beings and their general surroundings. This is done under the view of a theoretical construction deeply rooted in a multidisciplinar vision. The education as a field of production and reproduction of knowledge should also form part of the areas of study of sciences of the complexity. Nevertheless, the approaches from the sciences of the complexity geared towards the study of the education have been few and they have been centered essentially in one of its approaches denominated "complex thought". The following article tackles the education thematic in the framework of the sciences of the complexity that, necessarily, takes reflection of the role that is now used by these sciences to accomplish the configuration of the educational area.

  13. Human subjects and experimental irradiation

    International Nuclear Information System (INIS)

    Rosen, R.

    1985-01-01

    In recent years the public has expressed concern about the use of human subjects in scientific research. Some professional institutions have adopted codes of practice to guide them in this matter. At the University of New South Wales, where human subjects are used in teaching and research programmes, a committee ensures that high ethical standards are maintained. As the volunteer subjects do not gain any benefit themselves from the procedures, their level of risk is kept low. One type of procedure in which risk is becoming quantifiable, is the irradiation of human subjects. To assist peer review groups, the ICRP, WHO and the National Health and Medical Research Council have enunciated principles which should be followed in the irradiation of human volunteer subjects. In general the role of the Committee is advisory to protect the rights of the investigator, the subject, and the institution. Some of the inherent problems are discussed

  14. Analysis of the Soil Organic Matter Stability in Spruce Forests of Krkonose in Czechia on the Basis of the ROMUL Mathematical Model

    Czech Academy of Sciences Publication Activity Database

    Nadporozhskaya, M.A.; Cudlín, Pavel; Novák, František; Bykhovets, S.S.; Chertov, O.G.; Komarov, A.S.; Mikhailov, A.V.

    2009-01-01

    Roč. 42, č. 6 (2009), s. 657-667 ISSN 1064-2293 Institutional research plan: CEZ:AV0Z60870520; CEZ:AV0Z60660521 Keywords : Norway spruce * model ROMUL * soil organic matter Subject RIV: DF - Soil Science Impact factor: 0.222, year: 2009

  15. Quark matter

    Energy Technology Data Exchange (ETDEWEB)

    Csernai, L.; Kampert, K. H.

    1994-10-15

    Precisely one decade ago the GSI (Darmstadt)/LBL (Berkeley) Collaboration at the Berkeley Bevalac reported clear evidence for collective sidewards flow in high energy heavy ion collisions. This milestone observation clearly displayed the compression and heating up of nuclear matter, providing new insights into how the behaviour of nuclear matter changes under very different conditions. This year, evidence for azimuthally asymmetric transverse flow at ten times higher projectile energy (11 GeV per nucleon gold on gold collisions) was presented by the Brookhaven E877 collaboration at the recent European Research Conference on ''Physics of High Energy Heavy Ion Collisions'', held in Helsinki from 17-22 June.

  16. Tactical Approaches for Trading Science Objectives Against Measurements and Mission Design: Science Traceability Techniques at the Jet Propulsion Laboratory

    Science.gov (United States)

    Nash, A. E., III

    2017-12-01

    The most common approaches to identifying the most effective mission design to maximize science return from a potential set of competing alternative design approaches are often inefficient and inaccurate. Recently, Team-X at the Jet Propulsion Laboratory undertook an effort to improve both the speed and quality of science - measurement - mission design trade studies. We will report on the methodology & processes employed and their effectiveness in trade study speed and quality. Our results indicate that facilitated subject matter expert peers are the keys to speed and quality improvements in the effectiveness of science - measurement - mission design trade studies.

  17. Associateship | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Specialization: Small-angle Neutron Scattering in the Studies of Condensed Matter .... Address during Associateship: School of Technology & Computer, Science, TIFR, Homi Bhabha Road, .... Specialization: Elementary Particle Physics

  18. Fellowship | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Specialization: Condensed Matter Theory, Biological Physics, Statistical Physics ..... Nanomechanics, Thin Films & Self-Organization, Colloid & Interface Science and .... Specialization: Specification & Verification, Real-Time Programs, Logic ...

  19. Fellowship | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Specialization: Statistical Physics, Condensed Matter Physics and Computational Physics & their Applications to Social Sciences ..... Specialization: Robust & Nonparametric Statistics, Statistical Computing, Statistical Methods in Pattern ...

  20. Dark Matter

    Indian Academy of Sciences (India)

    As if this was not enough, it turns out that if our knowledge of ... are thought to contain dark matter, although the evidences from them are the .... protons, electrons, neutrons ... ratio of protons to neutrons was close to unity then as they were in ...

  1. Quantum matter

    International Nuclear Information System (INIS)

    Buechler, Hans Peter; Calcarco, Tommaso; Dressel, Martin

    2008-01-01

    The following topics are dealt with: Artificial atoms and molecules, tailored from solids, fractional flux quanta, molecular magnets, controlled interaction in quantum gases, the theory of quantum correlations in mott matter, cold gases, and mesoscopic systems, Bose-Einstein condensates on the chip, on the route to the quantum computer, a quantum computer in diamond. (HSI)

  2. Interstellar matter

    International Nuclear Information System (INIS)

    Mezger, P.G.

    1978-01-01

    An overview of the formation of our galaxy is presented followed by a summary of recent work in star formation and related topics. Selected discussions are given on interstellar matter including absorption characteristics of dust, the fully ionised component of the ISM and the energy density of lyc-photons in the solar neighbourhood and the diffuse galactic IR radiation

  3. Dark Matter

    Indian Academy of Sciences (India)

    The study of gas clouds orbiting in the outer regions of spiral galaxies has revealed that their gravitational at- traction is much larger than the stars alone can provide. Over the last twenty years, astronomers have been forced to postulate the presence of large quantities of 'dark matter' to explain their observations. They are ...

  4. Pre-Service Teachers' Knowledge and Teaching Comfort Levels for Agricultural Science and Technology Objectives

    Science.gov (United States)

    Wingenbach, Gary J.; White, Judith McIntosh; Degenhart, Shannon; Pannkuk, Tim; Kujawski, Jenna

    2007-01-01

    Self-efficacy beliefs are defined as context-specific assessments of one's competence to perform specific tasks, influence one's efforts, persistence, and resilience to succeed in a given task. Such beliefs are important determinants when considering agricultural science teachers' subject matter knowledge, teaching comfort levels, and their…

  5. Science 101: How Do We Distinguish between Living and Nonliving Things?

    Science.gov (United States)

    Robertson, Bill

    2016-01-01

    Since nearly every science curriculum in the country contains a section on living and non-living things, Bill Robertson believes that pretty much anyone who has taught the subject has run into difficulties. It seems as if no matter what criteria you use to distinguish between the two you can nearly always find exceptions. This article provides a…

  6. Validating Performance Level Descriptors (PLDs) for the AP® Environmental Science Exam

    Science.gov (United States)

    Reshetar, Rosemary; Kaliski, Pamela; Chajewski, Michael; Lionberger, Karen

    2012-01-01

    This presentation summarizes a pilot study conducted after the May 2011 administration of the AP Environmental Science Exam. The study used analytical methods based on scaled anchoring as input to a Performance Level Descriptor validation process that solicited systematic input from subject matter experts.

  7. Pedagogical Content Knowledge and Educational Cases in Computer Science: an Exploration

    NARCIS (Netherlands)

    Koppelman, Hermannus

    2008-01-01

    The concept of pedagogical content knowledge has been explored in the context of several disciplines, such as mathematics, medicine and chemistry. In this paper the concept is explored and applied to the subject matter of computer science, in particular to the sub domain of building UML class

  8. The Integration of Environmental Education in Science Materials by Using "MOTORIC" Learning Model

    Science.gov (United States)

    Sukarjita, I. Wayan; Ardi, Muhammad; Rachman, Abdul; Supu, Amiruddin; Dirawan, Gufran Darma

    2015-01-01

    The research of the integration of Environmental Education in science subject matter by application of "MOTORIC" Learning models has carried out on Junior High School Kupang Nusa Tenggara Timur Indonesia. "MOTORIC" learning model is an Environmental Education (EE) learning model that collaborate three learning approach i.e.…

  9. Praxis, subjectivity and sense

    Directory of Open Access Journals (Sweden)

    Alfredo Gómez-Muller

    2006-07-01

    Full Text Available A primordial aspect of the Sartrian critique of alienation concerns understanding the analytic ideology as the domination of materiality over the symbolic, in other words as the reification of the human, and therefore as anticulture. In the context of contemporary nihilism, the decoding of the mechanisms which consign praxis to the practico-inert requires a critique of the relations between the social sciences and philosophy, which in its turn implies a new theory of the relation between what Sartre calls the "notion" (the area of subjectivity and the "concept" (objectivity, From this perspective, the deconstruction of the established frontiers between the social sciences and philosophy, and between the conceptual and the narrative, is corelative to a redefinition of the relation between theory and practice.

  10. Why Geography Matters.

    Science.gov (United States)

    McDougall, Walter A.

    2001-01-01

    It is important to learn geography, yet most Americans leave school functionally illiterate in geography. Geography is fundamental to student maturation, the process of true education, and it is a springboard to every other science and humanities subject. Knowledge of maps and geographical information is crucial to the examination of economic,…

  11. Dark Matter

    International Nuclear Information System (INIS)

    Audouze, J.; Tran Thanh Van, J.

    1988-01-01

    The book begins with the papers devoted to the experimental search of signatures of the dark matter which governs the evolution of the Universe as a whole. A series of contributions describe the presently considered experimental techniques (cryogenic detectors, supraconducting detectors...). A real dialogue concerning these techniques has been instaured between particle physicists and astrophysicists. After the progress report of the particle physicists, the book provides the reader with an updated situation concerning the research in cosmology. The second part of the book is devoted to the analysis of the backgrounds at different energies such as the possible role of the cooling flows in the constitution of massive galactic halos. Any search of dark matter implies necessarily the analysis of the spatial distributions of the large scale structures of the Universe. This report is followed by a series of statistical analyses of these distributions. These analyses concern mainly universes filled up with cold dark matter. The last paper of this third part concerns the search of clustering in the spatial distribution of QSOs. The presence of dark matter should affect the solar neighborhood and related to the existence of galactic haloes. The contributions are devoted to the search of such local dark matter. Primordial nucleosynthesis provides a very powerful tool to set up quite constraining limitations on the overall baryonic density. Even if on takes into account the inhomogeneities in density possibly induced by the Quark-Hadron transition, this baryonic density should be much lower than the overall density deduced from the dynamical models of Universe or the inflationary theories

  12. Remodeling Science Education

    Science.gov (United States)

    Hestenes, David

    2013-01-01

    Radical reform in science and mathematics education is needed to prepare citizens for challenges of the emerging knowledge-based global economy. We consider definite proposals to establish: (1) "Standards of science and math literacy" for all students. (2) "Integration of the science curriculum" with structure of matter,…

  13. Molecule Matters van der Waals Molecules

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 14; Issue 12. Molecule Matters van der Waals Molecules - Noble Gas Clusters are London Molecules! E Arunan. Feature Article Volume 14 Issue 12 December 2009 pp 1210-1222 ...

  14. Hybrids and glueballs: new forms of matter

    International Nuclear Information System (INIS)

    Close, F.

    1983-01-01

    Theories of the forces that bind together the atomic nucleus predict the existence of exotic forms of matter, dubbed ''glueballs'' and ''hybrids''. The underlying story illustrates progress in science through the agencies of analogy and paradox. (author)

  15. Brain science and illness beliefs: an unexpected explanation of the healing power of therapeutic conversations and the family interventions that matter.

    Science.gov (United States)

    Wright, Lorraine M

    2015-05-01

    Paradigm families and paradigm practice moments have shown me that therapeutic conversations between nurses and families can profoundly and positively change illness beliefs in family members and nurses and contribute to healing from serious illness. The integration of brain science into nursing practice offers further understanding of the importance of illness beliefs and the role they may play in helping individual and family healing. Brain science offers explanations that connect how certain family nursing interventions that soften suffering and challenge constraining illness beliefs may result in changes in brain structure and functioning. New illness beliefs may result in new neural pathways in the brain, and therefore, possibilities for a new way of being in relationship with illness and in relationship with others can also develop. Newly acquired practice skills and interventions that have emerged from an understanding of brain science plus the reemphasis of other interventions utilized in the Illness Beliefs Model are offered to enhance our care of families suffering with illness. © The Author(s) 2015.

  16. Disposal Of Waste Matter

    International Nuclear Information System (INIS)

    Kim, Jeong Hyeon; Lee, Seung Mu

    1989-02-01

    This book deals with disposal of waste matter management of soiled waste matter in city with introduction, definition of waste matter, meaning of management of waste matter, management system of waste matter, current condition in the country, collect and transportation of waste matter disposal liquid waste matter, industrial waste matter like plastic, waste gas sludge, pulp and sulfuric acid, recycling technology of waste matter such as recycling system of Black clawson, Monroe and Rome.

  17. Mind, matter, and quantum mechanics

    International Nuclear Information System (INIS)

    Stapp, H.P.

    1982-01-01

    A theory of psychophysical phenomena is proposed. It resolves simultaneously four basic problems of science, namely the problems of the connections between: (1) mind and matter, (2), quantum theory and reality, (3) relativity theory and ''becoming,'' and (4) relativity theory and Bell's theorem

  18. Physics matters

    CERN Document Server

    Natarajan, Vasant

    2017-01-01

    This is a collection of essays on physics topics. It is written as a textbook for non-physics science and arts students, at the undergraduate level. Topics covered include cellphone radiation, lasers, the twin paradox, and more.

  19. Developing the Next Generation of Science Data System Engineers

    Science.gov (United States)

    Moses, John F.; Behnke, Jeanne; Durachka, Christopher D.

    2016-01-01

    At Goddard, engineers and scientists with a range of experience in science data systems are needed to employ new technologies and develop advances in capabilities for supporting new Earth and Space science research. Engineers with extensive experience in science data, software engineering and computer-information architectures are needed to lead and perform these activities. The increasing types and complexity of instrument data and emerging computer technologies coupled with the current shortage of computer engineers with backgrounds in science has led the need to develop a career path for science data systems engineers and architects.The current career path, in which undergraduate students studying various disciplines such as Computer Engineering or Physical Scientist, generally begins with serving on a development team in any of the disciplines where they can work in depth on existing Goddard data systems or serve with a specific NASA science team. There they begin to understand the data, infuse technologies, and begin to know the architectures of science data systems. From here the typical career involves peermentoring, on-the-job training or graduate level studies in analytics, computational science and applied science and mathematics. At the most senior level, engineers become subject matter experts and system architect experts, leading discipline-specific data centers and large software development projects. They are recognized as a subject matter expert in a science domain, they have project management expertise, lead standards efforts and lead international projects. A long career development remains necessary not only because of the breadth of knowledge required across physical sciences and engineering disciplines, but also because of the diversity of instrument data being developed today both by NASA and international partner agencies and because multidiscipline science and practitioner communities expect to have access to all types of observational data

  20. Developing the Next Generation of Science Data System Engineers

    Science.gov (United States)

    Moses, J. F.; Durachka, C. D.; Behnke, J.

    2015-12-01

    At Goddard, engineers and scientists with a range of experience in science data systems are needed to employ new technologies and develop advances in capabilities for supporting new Earth and Space science research. Engineers with extensive experience in science data, software engineering and computer-information architectures are needed to lead and perform these activities. The increasing types and complexity of instrument data and emerging computer technologies coupled with the current shortage of computer engineers with backgrounds in science has led the need to develop a career path for science data systems engineers and architects. The current career path, in which undergraduate students studying various disciplines such as Computer Engineering or Physical Scientist, generally begins with serving on a development team in any of the disciplines where they can work in depth on existing Goddard data systems or serve with a specific NASA science team. There they begin to understand the data, infuse technologies, and begin to know the architectures of science data systems. From here the typical career involves peer mentoring, on-the-job training or graduate level studies in analytics, computational science and applied science and mathematics. At the most senior level, engineers become subject matter experts and system architect experts, leading discipline-specific data centers and large software development projects. They are recognized as a subject matter expert in a science domain, they have project management expertise, lead standards efforts and lead international projects. A long career development remains necessary not only because of the breath of knowledge required across physical sciences and engineering disciplines, but also because of the diversity of instrument data being developed today both by NASA and international partner agencies and because multi-discipline science and practitioner communities expect to have access to all types of observational

  1. Quark matter

    International Nuclear Information System (INIS)

    Csernai, L.; Kampert, K.H.

    1994-01-01

    Precisely one decade ago the GSI (Darmstadt)/LBL (Berkeley) Collaboration at the Berkeley Bevalac reported clear evidence for collective sidewards flow in high energy heavy ion collisions. This milestone observation clearly displayed the compression and heating up of nuclear matter, providing new insights into how the behaviour of nuclear matter changes under very different conditions. This year, evidence for azimuthally asymmetric transverse flow at ten times higher projectile energy (11 GeV per nucleon gold on gold collisions) was presented by the Brookhaven E877 collaboration at the recent European Research Conference on ''Physics of High Energy Heavy Ion Collisions'', held in Helsinki from 17-22 June

  2. Reflexiones respecto al problema de la constitución subjetiva: el psicoanálisis y las (otras ciencias. // Thoughts on the issue of subjective constitution: psychoanalysis and the (oher sciences.

    Directory of Open Access Journals (Sweden)

    Sebastián Andrpes Rojas.

    2010-06-01

    Full Text Available This article deals with the link between psychoanalysis and sciences, a relationship that has been historically characterized by a fundamental disagreement. Science criticizes psychoanalysis and questions its value, methods and contributions, by considering that it is a theory without empirical or experimental basis. This is owing to the fact that some of the main theories in psychoanalysis resulting from readings, observation and scientific studies reviews are ignored. As an example of this, we have the psychoanalytic theory about the subjective constitution, which is supported by the studies from experimental psychologists. // El presente artículo reflexiona respecto a la articulación entre el psicoanálisis y las ciencias, relación marcada históricamente por un desencuentro fundamental. La ciencia establece una crítica al psicoanálisis, dudando de su valor, métodos y aportes debido a que lo considera una teoría alejada de lo empírico y la experimentación. Sin embargo, esto se debe a que suele olvidarse que algunas de las principales teorizaciones del psicoanálisis vienen de la lectura, observación y crítica a estudios científicos. Caso ejemplar de lo anterior es la teoría psicoanalítica de la constitución subjetiva, la cual encuentra correlato en los estudios de los psicólogos experimentales.

  3. Learning by doing? Prospective elementary teachers' developing understandings of scientific inquiry and science teaching and learning

    Science.gov (United States)

    Haefner, Leigh Ann; Zembal-Saul, Carla

    This study examined prospective elementary teachers' learning about scientific inquiry in the context of an innovative life science course. Research questions included: (1) What do prospective elementary teachers learn about scientific inquiry within the context of the course? and (2) In what ways do their experiences engaging in science investigations and teaching inquiry-oriented science influence prospective elementary teachers' understanding of science and science learning and teaching? Eleven prospective elementary teachers participated in this qualitative, multi-participant case study. Constant comparative analysis strategies attempted to build abstractions and explanations across participants around the constructs of the study. Findings suggest that engaging in scientific inquiry supported the development more appropriate understandings of science and scientific inquiry, and that prospective teachers became more accepting of approaches to teaching science that encourage children's questions about science phenomena. Implications include careful consideration of learning experiences crafted for prospective elementary teachers to support the development of robust subject matter knowledge.

  4. Seeding science success: Relations of secondary students' science self-concepts and motivation with aspirations and achievement

    Science.gov (United States)

    Chandrasena, Wanasinghe Durayalage

    identified barriers to promoting science in schools were: the difficulty of the subject matter, lack of student interest, the large amount of subject content, lack of perceived relevance of the subject matter to day-to-day life, ineffective teacher characteristics, lack of aspirations to pursue science as a career, inadequate teaching methods, lack of adequate teacher training, lack of proper policies to reward science teachers, and inadequate support for science from the media. Overall, the results from this study provide a greater understanding of the relations of secondary students' science self-concepts and motivation with aspirations and achievement in different science domains across gender and age levels. Hence, this research makes a valuable contribution to the literature by providing new insight. The findings will be useful for science educators in planning and developing science curriculum and policies with regard to student self-concepts and motivation. Equally, science teachers may find implications for classroom practices, for the planning and conducting of science lessons, for conveying scientific concepts and principles to students more effectively, and in considering the need to generate enthusiasm about the subject in young science students. Thus, the findings may offer the necessary strategies to assist in reducing the decline of students' enrolments in science through efficacious attention to student self-concepts and motivation. The newly developed instrument provides a new opportunity for future research to confidently interrogate the psychosocial issues central to science education and promotion. (Abstract shortened by ProQuest.).

  5. The introduction of practical exercises of rescuing a drowning person within the subject of basic clinic medicine and first aid for students of health sciences as a challenge for interdisciplinary cooperation

    Directory of Open Access Journals (Sweden)

    Slabe Damjan

    2016-01-01

    Full Text Available Drowning, being one of the most common causes of death is a public health problem. The concept of the drowning chain of survival puts great emphasis on providing security. Rescuing a drowning person in the stage of impaired judgement is a dangerous action. A rescuer can put at risk their own life at this stage. Health workers are potentially more exposed to this risk. In the field of education of health workers interdisciplinarity is one of the key concepts. Within the subject Basics of the Clinical Medicine and First Aid, we provided students the experience of saving a drowning person in a simulated exercise, thus trying to persuade them to choose safer strategies of rescuing. The subject of our research were students of health sciences. 506 students solved the questionnaire. After having performed a practical exercise of saving a drowning person, students choose less risky strategies of rescuing a person in the stage of impaired judgement. Students thus gain the experience of rescuing drowning people in more difficult circumstances and their awareness of the importance of security increases after the exercise, which helps to reduce the number of lives risked in accidents.

  6. How Diversity Matters in the US Science and Engineering Workforce: A Critical Review Considering Integration in Teams, Fields, and Organizational Contexts

    Directory of Open Access Journals (Sweden)

    Laurel Smith-Doerr

    2017-04-01

    Full Text Available How the race and gender diversity of team members is related to innovative science and technology outcomes is debated in the scholarly literature. Some studies find diversity is linked to creativity and productivity, other studies find that diversity has no effect or even negative effects on team outcomes. Based on a critical review of the literature, this paper explains the seemingly contradictory findings through careful attention to the organizational contexts of team diversity. We distinguish between representational diversity and full integration of minority scientists. Representational diversity, where organizations have workforces that match the pool of degree recipients in relevant fields, is a necessary but not sufficient condition for diversity to yield benefits. Full integration of minority scientists (i.e., including women and people of color in an interaction context that allows for more level information exchange, unimpeded by the asymmetrical power relationships that are common across many scientific organizations, is when the full potential for diversity to have innovative outcomes is realized. Under conditions of equitable and integrated work environments, diversity leads to creativity, innovation, productivity, and positive reputational (status effects. Thus, effective policies for diversity in science and engineering must also address integration in the organizational contexts in which diverse teams are embedded.

  7. Science curriculum formation in Denmark

    DEFF Research Database (Denmark)

    Chaiklin, Seth

    Cultural-historical theory is primarily a psychological theory about and human action and development within meaningful contexts. As a psychologically-oriented theory, it can be relevant to science education research, even if it was not been developed or elaborated specifically in relation...... to problems within science education. STEM education research can be reduced (roughly) to four major problem areas: curriculum, empirical evaluation of existing practices and conditions, didactics, and professional development, where each of these categories can be concretised further according to grade...... between research and practice, (b) the idea of developmental teaching, and (c) the idea of theoretical thinking. This paper will present an example of subject-matter analysis for food production and food chemistry to illustrate practical consequences that follow from these three points....

  8. Research on condensed matter and atomic physics using major experimental facilities and devices: Physics, chemistry, biology. Reports on results. Vol. 2. 3. Solid state physics and materials science

    International Nuclear Information System (INIS)

    1993-01-01

    This report in three volumes substantiates the contents of the programme survey published in September 1989. The progress reports cover the following research areas: Vol. I, (1). Atomic and molecular physics - free atoms, molecules, macromolecules, clusters, matrix-isolated atoms and molecules. (2) Physics and chemistry of surfaces and interfaces - epitaxy, surface structure, adsorption, electrical, magnetic, and optical properties, thin films, synthetic layer structure. Vol. II, (3). Solid-state physics, and materials science -structural research, lattice dynamics, magnetic structure and dynamics, electronic states; load; spin and pulse density fluctuations; diffusion and internal motion, defects, unordered systems and liquids. Vol. III, (4). Chemistry - bonding and structure, kinetics and reaction mechanisms, polymer research, analysis and synthesis. (5). Biology, - structure and dynamics of biological macromolecules, membrane and cell biology. (6) Development of methods and instruments - neutron sources, synchrotron sources, special accelerators, research with interlinked systems and devices. (orig.) [de

  9. Proceedings of the 2nd international symposium on science at J-PARC. Unlocking the mysteries of life, matter and the universe

    International Nuclear Information System (INIS)

    2015-09-01

    It is really our pleasure to be able to issue the proceeding of the symposium with numerous high quality scientific papers encompassing areas of high intensity accelerators, particle and nuclear physics, materials and life sciences, in particular, with neutron and muon, and accelerator driven nuclear transmutation technology. I think this special paper assembly is a showcase of J-PARC as a multipurpose facility, which is a key demonstration of characteristics of J-PARC as the multipurpose facility. During the three-day discussion, we had an opportunity to focus on all these important issues in depth and consider the scientific outlook toward J-PARC for the subsequent decades and beyond, which will benefit all stakeholders and contribute to scientific evolution worldwide. This issue is the collection of 402 papers presented at the entitled meeting. The 215 of the presented papers are indexed individually. (J.P.N.)

  10. The cosmic cocktail three parts dark matter

    CERN Document Server

    Freese, Katherine

    2014-01-01

    The ordinary atoms that make up the known universe-from our bodies and the air we breathe to the planets and stars-constitute only 5 percent of all matter and energy in the cosmos. The rest is known as dark matter and dark energy, because their precise identities are unknown. The Cosmic Cocktail is the inside story of the epic quest to solve one of the most compelling enigmas of modern science - what is the universe made of? - told by one of today's foremost pioneers in the study of dark matter. Blending cutting-edge science with her own behind-the-scenes insights as a leading researcher in the

  11. Media Matter

    Directory of Open Access Journals (Sweden)

    Holger Pötzsch

    2017-02-01

    Full Text Available The present contribution maps materialist advances in media studies. Based on the assumption that matter and materiality constitute significant aspects of communication processes and practices, I introduce four fields of inquiry - technology, political economy, ecology, and the body - and argue that these perspectives enable a more comprehensive understanding of the implications of contemporary technologically afforded forms of interaction. The article shows how each perspective can balance apologetic and apocalyptic approaches to the impact of in particular digital technologies, before it demonstrates the applicability of an integrated framework with reference to the techno-politics of NSA surveillance and the counter-practices of WikiLeaks.

  12. Play Matters

    DEFF Research Database (Denmark)

    Sicart (Vila), Miguel Angel

    ? In Play Matters, Miguel Sicart argues that to play is to be in the world; playing is a form of understanding what surrounds us and a way of engaging with others. Play goes beyond games; it is a mode of being human. We play games, but we also play with toys, on playgrounds, with technologies and design......, but not necessarily fun. Play can be dangerous, addictive, and destructive. Along the way, Sicart considers playfulness, the capacity to use play outside the context of play; toys, the materialization of play--instruments but also play pals; playgrounds, play spaces that enable all kinds of play; beauty...

  13. Gray matter and white matter abnormalities in online game addiction

    International Nuclear Information System (INIS)

    Weng, Chuan-Bo; Qian, Ruo-Bing; Fu, Xian-Ming; Lin, Bin; Han, Xiao-Peng; Niu, Chao-Shi; Wang, Ye-Han

    2013-01-01

    Online game addiction (OGA) has attracted greater attention as a serious public mental health issue. However, there are only a few brain magnetic resonance imaging studies on brain structure about OGA. In the current study, we used voxel-based morphometry (VBM) analysis and tract-based spatial statistics (TBSS) to investigate the microstructural changes in OGA and assessed the relationship between these morphology changes and the Young's Internet Addiction Scale (YIAS) scores within the OGA group. Compared with healthy subjects, OGA individuals showed significant gray matter atrophy in the right orbitofrontal cortex, bilateral insula, and right supplementary motor area. According to TBSS analysis, OGA subjects had significantly reduced FA in the right genu of corpus callosum, bilateral frontal lobe white matter, and right external capsule. Gray matter volumes (GMV) of the right orbitofrontal cortex, bilateral insula and FA values of the right external capsule were significantly positively correlated with the YIAS scores in the OGA subjects. Our findings suggested that microstructure abnormalities of gray and white matter were present in OGA subjects. This finding may provide more insights into the understanding of the underlying neural mechanisms of OGA

  14. Gray matter and white matter abnormalities in online game addiction

    Energy Technology Data Exchange (ETDEWEB)

    Weng, Chuan-Bo, E-mail: send007@163.com [Department of Neurosurgery, Anhui Provincial Hospital Affiliated to Anhui Medical University, 17 Lujiang Road, Hefei, Ahui Province 230001 (China); School of Neurosurgery, Anhui Medical University, 81 Meishang Road, Hefei, Anhui Province 230032 (China); Qian, Ruo-Bing, E-mail: rehomail@163.com [Department of Neurosurgery, Anhui Provincial Hospital Affiliated to Anhui Medical University, 17 Lujiang Road, Hefei, Ahui Province 230001 (China); Anhui Provincial Institute of Stereotactic Neurosurgery, 9 Lujiang Road, Hefei, Ahui Province 230001 (China); Fu, Xian-Ming, E-mail: 506537677@qq.com [Department of Neurosurgery, Anhui Provincial Hospital Affiliated to Anhui Medical University, 17 Lujiang Road, Hefei, Ahui Province 230001 (China); Anhui Provincial Institute of Stereotactic Neurosurgery, 9 Lujiang Road, Hefei, Ahui Province 230001 (China); Lin, Bin, E-mail: 274722758@qq.com [School of Neurosurgery, Anhui Medical University, 81 Meishang Road, Hefei, Anhui Province 230032 (China); Han, Xiao-Peng, E-mail: hanxiaopeng@163.com [Department of Psychology, Anhui Provincial Hospital Affiliated to Anhui Medical University, 17 Lujiang Road, Hefei, Ahui Province 230001 (China); Niu, Chao-Shi, E-mail: niuchaoshi@163.com [Department of Neurosurgery, Anhui Provincial Hospital Affiliated to Anhui Medical University, 17 Lujiang Road, Hefei, Ahui Province 230001 (China); Anhui Provincial Institute of Stereotactic Neurosurgery, 9 Lujiang Road, Hefei, Ahui Province 230001 (China); Wang, Ye-Han, E-mail: wangyehan@163.com [Department of Neurosurgery, Anhui Provincial Hospital Affiliated to Anhui Medical University, 17 Lujiang Road, Hefei, Ahui Province 230001 (China); Anhui Provincial Institute of Stereotactic Neurosurgery, 9 Lujiang Road, Hefei, Ahui Province 230001 (China)

    2013-08-15

    Online game addiction (OGA) has attracted greater attention as a serious public mental health issue. However, there are only a few brain magnetic resonance imaging studies on brain structure about OGA. In the current study, we used voxel-based morphometry (VBM) analysis and tract-based spatial statistics (TBSS) to investigate the microstructural changes in OGA and assessed the relationship between these morphology changes and the Young's Internet Addiction Scale (YIAS) scores within the OGA group. Compared with healthy subjects, OGA individuals showed significant gray matter atrophy in the right orbitofrontal cortex, bilateral insula, and right supplementary motor area. According to TBSS analysis, OGA subjects had significantly reduced FA in the right genu of corpus callosum, bilateral frontal lobe white matter, and right external capsule. Gray matter volumes (GMV) of the right orbitofrontal cortex, bilateral insula and FA values of the right external capsule were significantly positively correlated with the YIAS scores in the OGA subjects. Our findings suggested that microstructure abnormalities of gray and white matter were present in OGA subjects. This finding may provide more insights into the understanding of the underlying neural mechanisms of OGA.

  15. Gray matter and white matter abnormalities in online game addiction.

    Science.gov (United States)

    Weng, Chuan-Bo; Qian, Ruo-Bing; Fu, Xian-Ming; Lin, Bin; Han, Xiao-Peng; Niu, Chao-Shi; Wang, Ye-Han

    2013-08-01

    Online game addiction (OGA) has attracted greater attention as a serious public mental health issue. However, there are only a few brain magnetic resonance imaging studies on brain structure about OGA. In the current study, we used voxel-based morphometry (VBM) analysis and tract-based spatial statistics (TBSS) to investigate the microstructural changes in OGA and assessed the relationship between these morphology changes and the Young's Internet Addiction Scale (YIAS) scores within the OGA group. Compared with healthy subjects, OGA individuals showed significant gray matter atrophy in the right orbitofrontal cortex, bilateral insula, and right supplementary motor area. According to TBSS analysis, OGA subjects had significantly reduced FA in the right genu of corpus callosum, bilateral frontal lobe white matter, and right external capsule. Gray matter volumes (GMV) of the right orbitofrontal cortex, bilateral insula and FA values of the right external capsule were significantly positively correlated with the YIAS scores in the OGA subjects. Our findings suggested that microstructure abnormalities of gray and white matter were present in OGA subjects. This finding may provide more insights into the understanding of the underlying neural mechanisms of OGA. Copyright © 2013 Elsevier Ireland Ltd. All rights reserved.

  16. Precipitation Matters

    Science.gov (United States)

    McDuffie, Thomas

    2007-01-01

    Although weather, including its role in the water cycle, is included in most elementary science programs, any further examination of raindrops and snowflakes is rare. Together rain and snow make up most of the precipitation that replenishes Earth's life-sustaining fresh water supply. When viewed individually, raindrops and snowflakes are quite…

  17. Fermilab | Science | Particle Physics

    Science.gov (United States)

    Photos and videos Latest news For the media Particle Physics Neutrinos Fermilab and the LHC Dark matter initiatives Research and development Key discoveries Benefits of particle physics Particle Accelerators society Particle Physics 101 Science of matter, energy, space and time How particle physics discovery

  18. Kaons in nuclear matter

    International Nuclear Information System (INIS)

    Kolomeitsev, E.E.

    1997-02-01

    The subject of the doctoral thesis is examination of the properties of kaons in nuclear matter. A specific method is explained that has been developed for the scientific objectives of the thesis and permits description of the kaon-nucleon interactions and kaon-nucleon scattering in a vacuum. The main challenge involved was to find approaches that would enable application of the derived relations out of the kaon mass shell, connected with the second objective, namely to possibly find methods which are independent of models. The way chosen to achieve this goal relied on application of reduction formulas as well as current algebra relations and the PCAC hypothesis. (orig./CB) [de

  19. An Overview of the Theses and Dissertations Completed in Family and Consumer Sciences: 2001. [and] A Listing of the Theses and Dissertations Completed in Family and Consumer Sciences: 2001.

    Science.gov (United States)

    Smith, Terra L.; Hunter, Allison K.; Noah, Jamie Leigh

    2002-01-01

    Summarizes the 451 titles of theses and dissertations completed in family and consumer sciences in 34 colleges and universities in 2001, by institution and subject matter. Includes a list of titles categorized as follows: art/design, child development, clothing/apparel, general, family relations, resource management, foods, housing, hospitality…

  20. Resource Handbook--Space Beyond the Earth. A Supplement to Basic Curriculum Guide--Science, Grades K-6.

    Science.gov (United States)

    Starr, John W., 3rd., Ed.

    GRADES OR AGES: Grades K-6. SUBJECT MATTER: Science; space. ORGANIZATION AND PHYSICAL APPEARANCE: The guide is divided into four units: 1) the sun, earth, and moon; 2) stars and planets; 3) exploring space; 4) man's existence in space. Each unit includes initiatory and developmental activities. There are also sections on evaluation, vocabulary,…

  1. A Comparison of Two Approaches to Developing In-Service Teachers' Knowledge and Strategies for Teaching Nature of Science

    Science.gov (United States)

    Vhurumuku, Elaosi; Chikochi, Andrew

    2017-01-01

    This paper reports the results of a study that compared two approaches to developing in-service teachers' subject matter knowledge and strategies for teaching nature of science. A treatment post-test only quasi-experimental research design was used. One group of in-service teachers (n = 15) was taught using what is called a capsular approach. In…

  2. Co-Chairs’ Summary of Technical Session 3B. Nuclear Forensic Science: Synergies with Other Disciplines I

    International Nuclear Information System (INIS)

    Nizamska, M.; Roger, I.

    2015-01-01

    Scientific disciplines, including radiochemistry, provide a technical foundation for the science of nuclear forensics. In addition, analytical chemistry, pathology and nuclear material measurements all contribute to the technical spectrum encompassing a nuclear forensic capability. Subject matter experts versed in the former production of nuclear material may contribute to improved understanding of process streams of interest to a nuclear forensic examination

  3. NASA Earth Science Education Collaborative

    Science.gov (United States)

    Schwerin, T. G.; Callery, S.; Chambers, L. H.; Riebeek Kohl, H.; Taylor, J.; Martin, A. M.; Ferrell, T.

    2016-12-01

    The NASA Earth Science Education Collaborative (NESEC) is led by the Institute for Global Environmental Strategies with partners at three NASA Earth science Centers: Goddard Space Flight Center, Jet Propulsion Laboratory, and Langley Research Center. This cross-organization team enables the project to draw from the diverse skills, strengths, and expertise of each partner to develop fresh and innovative approaches for building pathways between NASA's Earth-related STEM assets to large, diverse audiences in order to enhance STEM teaching, learning and opportunities for learners throughout their lifetimes. These STEM assets include subject matter experts (scientists, engineers, and education specialists), science and engineering content, and authentic participatory and experiential opportunities. Specific project activities include authentic STEM experiences through NASA Earth science themed field campaigns and citizen science as part of international GLOBE program (for elementary and secondary school audiences) and GLOBE Observer (non-school audiences of all ages); direct connections to learners through innovative collaborations with partners like Odyssey of the Mind, an international creative problem-solving and design competition; and organizing thematic core content and strategically working with external partners and collaborators to adapt and disseminate core content to support the needs of education audiences (e.g., libraries and maker spaces, student research projects, etc.). A scaffolded evaluation is being conducted that 1) assesses processes and implementation, 2) answers formative evaluation questions in order to continuously improve the project; 3) monitors progress and 4) measures outcomes.

  4. Silicon quantum dots: surface matters

    Czech Academy of Sciences Publication Activity Database

    Dohnalová, K.; Gregorkiewicz, T.; Kůsová, Kateřina

    2014-01-01

    Roč. 26, č. 17 (2014), 1-28 ISSN 0953-8984 R&D Projects: GA ČR GPP204/12/P235 Institutional support: RVO:68378271 Keywords : silicon quantum dots * quantum dot * surface chemistry * quantum confinement Subject RIV: BM - Solid Matter Physics ; Magnetism Impact factor: 2.346, year: 2014

  5. Japan's patent issues relating to life science therapeutic inventions.

    Science.gov (United States)

    Tessensohn, John A

    2014-09-01

    Japan has made 'innovation in science and technology' as one of its central pillars to ensure high growth in its next stage of economic development and its life sciences market which hosts regenerative medicine was proclaimed to be 'the best market in the world right now.' Although life science therapeutic inventions are patentable subject matter under Japanese patent law, there are nuanced obviousness and enablement challenges under Japanese patent law that can be surmounted in view of some encouraging Japanese court developments in fostering a pro-patent applicant environment in the life sciences therapeutic patent field. Nevertheless, great care must be taken when drafting and prosecuting such patent applications in the world's second most important life sciences therapeutic market.

  6. This view of science: Stephen Jay Gould as historian of science and scientific historian, popular scientist and scientific popularizer.

    Science.gov (United States)

    Shermer, Michael B

    2002-08-01

    Science historian Ronald Numbers once remarked that the two most influential historians of science of the 20th century were Thomas Kuhn and Stephen Jay Gould. All historians are deeply familiar with Kuhn's work and influence, and most know of the remarkable impact Gould has had on evolutionary theory through both his professional and popular works. But little attention has been paid to the depth, scope, and importance of Gould's rôle as historian and philosopher of science, and his use of popular science exposition to reinforce old knowledge and generate new. This paper presents the results of an extensive quantitative content analysis of Gould's 22 books, 101 book reviews, 479 scientific papers, and 300 Natural History essays, in terms of their subject matter (Evolutionary Theory, History and Philosophy of Science, Natural History, Paleontology/Geology, Social Science/Commentary), and thematic dichotomies (Theory-Data, Time's Arrow-Time's Cycle, Adaptationism- Nonadaptationalism, Punctuationism-Gradualism, Contingency-Necessity). Special emphasis is placed on the interaction between the subjects and themata, how Gould has used the history of science to reinforce his evolutionary theory (and vice versa), and how his philosophy of science has influenced both his evolutionary theory and his historiography. That philosophy can best be summed up in a quotation from Charles Darwin, frequently cited by Gould: 'All observation must be for or against some view if it is to be of any service'. Gould followed Darwin's advice throughout his career, including his extensive writings on the history and philosophy of science.

  7. Marginal Matter

    Science.gov (United States)

    van Hecke, Martin

    2013-03-01

    All around us, things are falling apart. The foam on our cappuccinos appears solid, but gentle stirring irreversibly changes its shape. Skin, a biological fiber network, is firm when you pinch it, but soft under light touch. Sand mimics a solid when we walk on the beach but a liquid when we pour it out of our shoes. Crucially, a marginal point separates the rigid or jammed state from the mechanical vacuum (freely flowing) state - at their marginal points, soft materials are neither solid nor liquid. Here I will show how the marginal point gives birth to a third sector of soft matter physics: intrinsically nonlinear mechanics. I will illustrate this with shock waves in weakly compressed granular media, the nonlinear rheology of foams, and the nonlinear mechanics of weakly connected elastic networks.

  8. Perspectives on learning through research on critical issues-based science center exhibitions

    Science.gov (United States)

    Pedretti, Erminia G.

    2004-07-01

    Recently, science centers have created issues-based exhibitions as a way of communicating socioscientific subject matter to the public. Research in the last decade has investigated how critical issues-based installations promote more robust views of science, while creating effective learning environments for teaching and learning about science. The focus of this paper is to explore research conducted over a 10-year period that informs our understanding of the nature of learning through these experiences. Two specific exhibitions - Mine Games and A Question of Truth - provide the context for discussing this research. Findings suggest that critical issues-based installations challenge visitors in different ways - intellectually and emotionally. They provide experiences beyond usual phenomenon-based exhibitions and carry the potential to enhance learning by personalizing subject matter, evoking emotion, stimulating dialogue and debate, and promoting reflexivity. Critical issues-based exhibitions serve as excellent environments in which to explore the nature of learning in these nonschool settings.

  9. Probes for dark matter physics

    Science.gov (United States)

    Khlopov, Maxim Yu.

    The existence of cosmological dark matter is in the bedrock of the modern cosmology. The dark matter is assumed to be nonbaryonic and consists of new stable particles. Weakly Interacting Massive Particle (WIMP) miracle appeals to search for neutral stable weakly interacting particles in underground experiments by their nuclear recoil and at colliders by missing energy and momentum, which they carry out. However, the lack of WIMP effects in their direct underground searches and at colliders can appeal to other forms of dark matter candidates. These candidates may be weakly interacting slim particles, superweakly interacting particles, or composite dark matter, in which new particles are bound. Their existence should lead to cosmological effects that can find probes in the astrophysical data. However, if composite dark matter contains stable electrically charged leptons and quarks bound by ordinary Coulomb interaction in elusive dark atoms, these charged constituents of dark atoms can be the subject of direct experimental test at the colliders. The models, predicting stable particles with charge ‑ 2 without stable particles with charges + 1 and ‑ 1 can avoid severe constraints on anomalous isotopes of light elements and provide solution for the puzzles of dark matter searches. In such models, the excessive ‑ 2 charged particles are bound with primordial helium in O-helium atoms, maintaining specific nuclear-interacting form of the dark matter. The successful development of composite dark matter scenarios appeals for experimental search for doubly charged constituents of dark atoms, making experimental search for exotic stable double charged particles experimentum crucis for dark atoms of composite dark matter.

  10. Subjectivity, Identity and Violence: Masculinity Crossroads

    Directory of Open Access Journals (Sweden)

    Javier Pineda Duque

    2009-01-01

    Full Text Available This article explores elements of masculine subjectivity and identity based on interviews with men from median and low income groups whose spouses pressed charges against them with the Family Commissioners (comisaría de familia of Bogota. Based on the poststructuralist tradition in social sciences and pro-feminist studies about masculinities, the article examines the significances and representations of the men about the occurrences of intrafamilial violence, in the context of the negotiation of homes in front of family judges. The article points out properties of the accounts related to everyday practices that represent a tactical character in the negotiation of the representation of self, and are codified expressions of cultural constructs that configure the relationships between intrafamilial violence and masculinity. It is shown how intervention processes in matters that traditionally were reserved for private consideration, have allowed to evidence the ambivalence of masculine identities to get rid of the stigma of having been reported and consolidate images that result in accordance with hegemonic patterns of representation and power.

  11. What is 'settled Science'?

    Science.gov (United States)

    Brown, M.

    2013-12-01

    Republican strategist Frank Luntz famously advised party leaders to emphasize the lack of ';scientific certainty' about global warming because, once the public became convinced of a scientific consensus on global warming, they would accept it and policies responding to it. But philosophical work on scientific methodology puts absolute certainty out of reach. Today almost all philosophers are fallibilists, holding that every belief is subject to correction. Does it follow that an honest report of what science has to say about any topic cannot claim that the matter is settled? I defend a more confident view: much of what science has to say about the world is settled. On this view, settled science doesn't require philosophical certainty. Instead, it is based on stable agreement and practical reliability--values central to C.S. Peirce's account of the scientific method. Defending this position requires care over changes in theory that can undermine the language in which these settled points were initially expressed. It also requires epistemic modesty, since our confidence in any claim, including observational claims, depends on a kind of induction, and could, in principle, be undermined. Interestingly, this line of thought also suggests many of the central claims the historical sciences make about our world are more stable and reliable than the more theory-dependent claims we think of as central to the foundations of physics. David Hume undermined philosophical certainty about causal laws when he argued that, no matter how many times we make observations confirming a law, it could still fail the next test. This point is sometimes confused with healthy scientific skepticism, but Hume's worry has a much broader scope than scientific skepticism. For Hume each instance of a causal relation was doubtful, no matter how similar to previous instances. But scientists are diffident about applying a well-tested law only when the circumstances differ. For instance, particle

  12. PREFACE: IUMRS-ICA 2008 Symposium, Sessions 'X. Applications of Synchrotron Radiation and Neutron Beam to Soft Matter Science' and 'Y. Frontier of Polymeric Nano-Soft-Materials - Precision Polymer Synthesis, Self-assembling and Their Functionalization'

    Science.gov (United States)

    Takahara, Atsushi; Kawahara, Seiichi

    2009-09-01

    Applications of Synchrotron Radiation and Neutron Beam to Soft Matter Science (Symposium X of IUMRS-ICA2008) Toshiji Kanaya, Kohji Tashiro, Kazuo Sakura Keiji Tanaka, Sono Sasaki, Naoya Torikai, Moonhor Ree, Kookheon Char, Charles C Han, Atsushi Takahara This volume contains peer-reviewed invited and contributed papers that were presented in Symposium X 'Applications of Synchrotron Radiation and Neutron Beam to Soft Matter Science' at the IUMRS International Conference in Asia 2008 (IUMRS-ICA 2008), which was held on 9-13 December 2008, at Nagoya Congress Center, Nagoya, Japan. Structure analyses of soft materials based on synchrotron radiation (SR) and neutron beam have been developed steadily. Small-angle scattering and wide-angle diffraction techniques clarified the higher-order structure as well as time dependence of structure development such as crystallization and microphase-separation. On the other hand, reflectivity, grazing-incidence scattering and diffraction techniques revealed the surface and interface structural features of soft materials. From the viewpoint of strong interests on the development of SR and neutron beam techniques for soft materials, the objective of this symposium is to provide an interdisciplinary forum for the discussion of recent advances in research, development, and applications of SR and neutron beams to soft matter science. In this symposium, 21 oral papers containing 16 invited papers and 14 poster papers from China, India, Korea, Taiwan, and Japan were presented during the three-day symposium. As a result of the review of poster and oral presentations of young scientists by symposium chairs, Dr Kummetha Raghunatha Reddy (Toyota Technological Institute) received the IUMRS-ICA 2008 Young Researcher Award. We are grateful to all invited speakers and many participants for valuable contributions and active discussions. Organizing committee of Symposium (IUMRS-ICA 2008) Professor Toshiji Kanaya (Kyoto University) Professor Kohji

  13. Make dark matter charged again

    Energy Technology Data Exchange (ETDEWEB)

    Agrawal, Prateek; Cyr-Racine, Francis-Yan; Randall, Lisa; Scholtz, Jakub, E-mail: prateekagrawal@fas.harvard.edu, E-mail: fcyrraci@physics.harvard.edu, E-mail: randall@physics.harvard.edu, E-mail: jscholtz@physics.harvard.edu [Department of Physics, Harvard University, Cambridge, MA 02138 (United States)

    2017-05-01

    We revisit constraints on dark matter that is charged under a U(1) gauge group in the dark sector, decoupled from Standard Model forces. We find that the strongest constraints in the literature are subject to a number of mitigating factors. For instance, the naive dark matter thermalization timescale in halos is corrected by saturation effects that slow down isotropization for modest ellipticities. The weakened bounds uncover interesting parameter space, making models with weak-scale charged dark matter viable, even with electromagnetic strength interaction. This also leads to the intriguing possibility that dark matter self-interactions within small dwarf galaxies are extremely large, a relatively unexplored regime in current simulations. Such strong interactions suppress heat transfer over scales larger than the dark matter mean free path, inducing a dynamical cutoff length scale above which the system appears to have only feeble interactions. These effects must be taken into account to assess the viability of darkly-charged dark matter. Future analyses and measurements should probe a promising region of parameter space for this model.

  14. Ground Pollution Science

    International Nuclear Information System (INIS)

    Oh, Jong Min; Bae, Jae Geun

    1997-08-01

    This book deals with ground pollution science and soil science, classification of soil and fundamentals, ground pollution and human, ground pollution and organic matter, ground pollution and city environment, environmental problems of the earth and ground pollution, soil pollution and development of geological features of the ground, ground pollution and landfill of waste, case of measurement of ground pollution.

  15. Confronting Ambiguity in Science

    Science.gov (United States)

    Emery, Katherine; Harlow, Danielle; Whitmer, Ali; Gaines, Steven

    2015-01-01

    People are regularly confronted with environmental and science-related issues presented to them in newspapers, on television, or even in their own doctor's office. Often the information they use to inform their decisions on matters of science may be ambiguous and contradictory. This article presents an activity that investigates how students deal…

  16. Interaction of radiation with matter

    CERN Document Server

    Nikjoo, Hooshang; Emfietzoglou, Dimitris

    2012-01-01

    Written for students approaching the subject for the first time, this text provides a solid grounding in the physics of the interactions of photons and particles with matter, which is the basis of radiological physics and radiation dosimetry. The authors first present the relevant atomic physics and then describe the interactions, emphasizing practical applications in health/medical physics and radiation biology. They cover such important topics as microdosimetry, interaction of photons with matter, electron energy loss, and dielectric response. Each chapter includes exercises and a summary.

  17. Integrating Inquiry-Based Science and Education Methods Courses in a "Science Semester" for Future Elementary Teachers

    Science.gov (United States)

    Madsen, J.; Fifield, S.; Allen, D.; Brickhouse, N.; Dagher, Z.; Ford, D.; Shipman, H.

    2001-05-01

    In this NSF-funded project we will adapt problem-based learning (PBL) and other inquiry-based approaches to create an integrated science and education methods curriculum ("science semester") for elementary teacher education majors. Our goal is to foster integrated understandings of science and pedagogy that future elementary teachers need to effectively use inquiry-based approaches in their classrooms. This project responds to calls to improve science education for all students by making preservice teachers' experiences in undergraduate science courses more consistent with reforms at the K-12 level. The involved faculty teach three science courses (biology, earth science, physical science) and an elementary science education methods course that are degree requirements for elementary teacher education majors. Presently, students take the courses in variable sequences and at widely scattered times. Too many students fail to appreciate the value of science courses to their future careers as teachers, and when they reach the methods course in the junior year they often retain little of the science content studied earlier. These episodic encounters with science make it difficult for students to learn the content, and to translate their understandings of science into effective, inquiry-based teaching strategies. To encourage integrated understandings of science concepts and pedagogy we will coordinate the science and methods courses in a junior-year science semester. Traditional subject matter boundaries will be crossed to stress shared themes that teachers must understand to teach standards-based elementary science. We will adapt exemplary approaches that support both learning science and learning how to teach science. Students will work collaboratively on multidisciplinary PBL activities that place science concepts in authentic contexts and build learning skills. "Lecture" meetings will be large group active learning sessions that help students understand difficult

  18. Russian science readings (chemistry, physics, biology)

    CERN Document Server

    Light, L

    1949-01-01

    Some years' experience in teaching Russian to working scientists who had already acquired the rudiments of the grammar convinced me of the need for a reader of the present type that would smooth the path of those wishing to study Russian scientific literature in the original. Although the subject matter comprises what I have described for convenience as chemistry, physics and biology, it could be read with equal profit by those engaged in any branch of pure or applied science. All the passages are taken from school textbooks, and acknowledgements are due to the authors of the works listed at the foot of the contents page.

  19. Baryonic matter and beyond

    OpenAIRE

    Fukushima, Kenji

    2014-01-01

    We summarize recent developments in identifying the ground state of dense baryonic matter and beyond. The topics include deconfinement from baryonic matter to quark matter, a diquark mixture, topological effect coupled with chirality and density, and inhomogeneous chiral condensates.

  20. CONTENT ORGANIZATION IN THE NATURAL SCIENCES SUBJECTS, TO FAVOR PROBLEM RESOLUTION / TRATAMIENTO AL CONTENIDO DEL ÁREA DE LAS CIENCIAS NATURALES PARA FAVORECER LA RESOLUCIÓN DE PROBLEMAS

    Directory of Open Access Journals (Sweden)

    Yanet Edith Batista Freyre

    2013-04-01

    Full Text Available It was presented the need of improving the area of Natural Sciences in the teaching-learning process in primary schools to solve problems, as a component in the comprehensive formation of scholars; that is, to get advantage from the curriculum, the cultural-historical experience and the social interaction of the scholar to favor it, is the essence of this article. In this aspect it plays an essential role the knowledge of the contents of the subjects of the area of Natural Sciences in the primary school. They possess wide potentialities to contribute to this pretense, keeping in mind that besides instructing the children in the appropriate interpretation of the phenomena and processes that happen in nature and society, they favor a general culture on the repercussion and the man's sustainable action on nature, as well as the necessity of their care and conservation. RESUMEN: Se abordó la necesidad de perfeccionar el aprendizaje del área de las Ciencias Naturales en el proceso de enseñanza-aprendizaje de la escuela primaria para resolver problemas, como parte de la formación integral del escolar; en tal sentido, aprovechar el currículo, la experiencia histórico – cultural del escolar y su interacción social para favorecerlo, es la esencia de este articulo. En este aspecto juega un papel esencial el tratamiento a los contenidos del área, los que poseen amplias potencialidades para el desarrollo de la resolución de problemas, y de esta forma contribuir a esta pretensión, teniendo en cuenta que además de instruir a los escolares en la adecuada interpretación de los fenómenos y procesos que ocurren en la naturaleza y la sociedad, propicia una cultura general sobre la repercusión y la acción sostenible del hombre sobre la naturaleza, así como la necesidad de su cuidado y conservación.