Aerospace medicine and biology: A continuing bibliography with indexes (supplement 339)

This bibliography lists 105 reports, articles and other documents introduced into the NASA Scientific and Technical Information System during July 1990. Subject coverage includes: aerospace medicine and psychology, life support systems and controlled environments, safety equipment, exobiology and extraterrestrial life, and flight crew behavior and performance

Studies of unicellular micro-organisms Saccharomyces cerevisiae by means of Positron Annihilation Lifetime Spectroscopy

Results of Positron Annihilation Lifetime Spectroscopy (PALS) and microscopic studies on simple microorganisms: brewing yeasts are presented. Lifetime of ortho - positronium (o-Ps) were found to change from 2.4 to 2.9 ns (longer lived component) for lyophilised and aqueous yeasts, respectively. Also hygroscopicity of yeasts in time was examined, allowing to check how water - the main component of the cell - affects PALS parameters, thus lifetime of o-Ps were found to change from 1.2 to 1.4 ns (shorter lived component) for the dried yeasts. The time sufficient to hydrate the cells was found below 10 hours. In the presence of liquid water an indication of reorganization of yeast in the molecular scale was observed. Microscopic images of the lyophilised, dried and wet yeasts with best possible resolution were obtained using Inverted Microscopy (IM) and Environmental Scanning Electron Microscopy (ESEM) methods. As a result visible changes to the surface of the cell membrane were observed in ESEM images.Comment: Nukleonika (2015

Development of microcomputer-based mental acuity tests for repeated-measures studies

The purpose of this report is to detail the development of the Automated Performance Test System (APTS), a computer battery of mental acuity tests that can be used to assess human performance in the presence of toxic elements and environmental stressors. There were four objectives in the development of APTS. First, the technical requirements for developing APTS followed the tenets of the classical theory of mental tests which requires that tests meet set criteria like stability and reliability (the lack of which constitutes insensitivity). To be employed in the study of the exotic conditions of protracted space flight, a battery with multiple parallel forms is required. The second criteria was for the battery to have factorial multidimensionality and the third was for the battery to be sensitive to factors known to compromise performance. A fourth objective was for the tests to converge on the abilities entailed in mission specialist tasks. A series of studies is reported in which candidate APTS tests were subjected to an examination of their psychometric properties for repeated-measures testing. From this work, tests were selected that possessed the requisite metric properties of stability, reliability, and factor richness. In addition, studies are reported which demonstrate the predictive validity of the tests to holistic measures of intelligence

Aerospace Medicine and Biology. A continuing bibliography (Supplement 226)

This bibliography lists 129 reports, articles, and other documents introduced into the NASA scientific and technical information system in November 1981

Publications of the Exobiology Program for 1980: A special bibliography

a list of approximately 160 publications resulting from research pursued under the auspices of NASA'S exobiology Program is given. The publications address chemical evolution, organic geochemistry, origin and evolution of life, planetary environments, life in the universe, and planetary protection

Tietokoneavusteisen luonnontieteiden opetuksen edistäminen LUMA-ekosysteemissä

Information and communication technology (ICT) has been successfully used to promote children’s, youths’ and teachers’ competence in mathematics, science and technology in Finland through the LUMA Centre Finland. The LUMA ecosystem (LU stands for science and MA for mathematics) is a social innovation based on collaboration between 11 universities (including researchers and teacher trainers), educational administrations, the business sector, teachers, teacher associations, science museums and centers, families and the media. It is a Finnish model of how to promote LUMA learning, teaching and teacher training. One particular focus of the LUMA collaboration is to support the incorporation of information communication technology (ICT) into classroom practice, especially by supporting pre‐ and in‐service teachers in building their technological pedagogical content knowledge (TPCK). This paper reviews some of the earlier research and development conducted by the LUMA Centre Finland on the incorporation of ICT into teacher training and non‐formal science education. As an example, this paper summarizes the research done on molecular modeling, the microcomputer‐based laboratory (MBL) in chemistry education and its’ implications for teacher education, and virtual learning environments in science education. This paper also discusses how design‐based research has been used as a successful research method to connect theory and practice and to develop pedagogical ICT innovations in science education. Some going-on research topics (e.g. MOOCs) are also presented.Information and communication technology (ICT) has been successfully used to promote children's, youths' and teachers' competence in mathematics, science and technology in Finland through the LUMA Centre Finland. The LUMA ecosystem (LU stands for science and MA for mathematics) is a social innovation based on collaboration between 11 universities (including researchers and teacher trainers), educational administrations, the business sector, teachers, teacher associations, science museums and centers, families and the media. It is a Finnish model of how to promote LUMA learning, teaching and teacher training. One particular focus of the LUMA collaboration is to support the incorporation of information communication technology (ICT) into classroom practice, especially by supporting pre- and in-service teachers in building their technological pedagogical content knowledge (TPCK). This paper reviews some of the earlier research and development conducted by the LUMA Centre Finland on the incorporation of ICT into teacher training and non-formal science education. As an example, this paper summarizes the research done on molecular modeling, the microcomputer-based laboratory (MBL) in chemistry education and its' implications for teacher education, and virtual learning environments in science education. This paper also discusses how design-based research has been used as a successful research method to connect theory and practice and to develop pedagogical ICT innovations in science education. Some going-on research topics (e.g. MOOCs) are also presented. © Peter Lang GmbH Internationaler Verlag der Wissenschaften Frankfurt am Main 2016. All rights reserved.Peer reviewe

National Aeronautics and Space Administration (NASA)/American Society for Engineering Education (ASEE) Summer Faculty Fellowship Program 1988, volume 1

The 1988 Johnson Space Center (JSC) National Aeronautics and Space Administration (NASA)/American Society for Engineering Education (ASEE) Summer Faculty Fellowship Program was conducted by the University of Houston and JSC. The 10-week program was operated under the auspices of the ASEE. The program at JSC, as well as the programs at other NASA Centers, was funded by the Office of University Affairs, NASA Headquarters, Washington, D.C. The objectives of the program, which began in 1965 at JSC and in 1964 nationally, are (1) to further the professional knowledge of qualified engineering and science faculty members; (2) to stimulate an exchange of ideas between participants and NASA; (3) to enrich and refresh the research and teaching activities of participants' institutions; and (4) to contribute to the research objectives of the NASA Centers