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2.822 Aktuelle Fachpublikationen von Science International / AAAS
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New Products
10.04.2013 | Science , 2013
A weekly roundup of information on newly offered instrumentation, apparatus, and laboratory materials of potential interest to researchers.
[Report] An Integral View of Fast Shocks Around Supernova 1006
10.04.2013 | Sladjana Nikolić, Glenn van de Ven, Kevin Heng, Daniel Kupko, Bernd Husemann, John C. Raymond, John P. Hughes, Jesú ..., Science , 2013
Spatially resolved spectroscopy of a supernova remnant reveals its high-velocity shocks in great detail.
[Perspective] Chemistry: Revealing the Positive Side of Fluorine
10.04.2013 | Ulrich Hennecke, Science , 2013
An organic reaction creates an intermediate in which a fluorine atom, the most electronegative of the elements, formally bears a positive charge. [Also see Report by Struble et al.]
[News Focus] Molecular Biology: 'Dead' Enzymes Show Signs of Life
10.04.2013 | Mitch Leslie, Science , 2013
Pseudoenzymes can't catalyze chemical reactions, but researchers are discovering that they perform a variety of other cellular jobs.
[News of the Week] Random Sample
10.04.2013 | Science , 2013
President Barack Obama announced the $100 millionBRAIN Initiative, and researchers successfully tracked the world's largest creature—the Antarctic blue whale—using only its sound.
[Perspective] Developmental Biology: Programmed Cell Death in Neuronal Development
10.04.2013 | Martijn P. J. Dekkers, Yves-Alain Barde, Science , 2013
Life or death decisions in cortical interneurons during development are made independently of external cues, challenging current theory.
[Research Article] Optogenetic Dissection of Entorhinal-Hippocampal Functional Connectivity
10.04.2013 | Sheng-Jia Zhang, Jing Ye, Chenglin Miao, Albert Tsao, Ignas Cerniauskas, Debora Ledergerber, May-Britt Moser, Edvar ..., Science , 2013
The place-cell population of the hippocampus receives direct input from a variety of medial entorhinal neurons. [Also see Perspective by Poucet and Sargolini]
[Report] Rats and Humans Can Optimally Accumulate Evidence for Decision-Making
10.04.2013 | Bingni W. Brunton, Matthew M. Botvinick, Carlos D. Brody, Science , 2013
A model of decision-making that is based on the accumulative processing of noisy information is described.
Editors' Choice
10.04.2013 | Science , 2013
Evolution: Cicada Cycles | Immunology: Feeding Hungry T Cells | Planetary Science: Vortex Complexity | Cell Biology: Polo's Game in Meiosis | Physics: Purely Magnetic Impurities | Ecology: Marsh Basin Dynamics | Geochemistry: Unlocking Sulfur's Secrets
[Perspective] Microbiology: Breathing Perchlorate
10.04.2013 | Robert Nerenberg, Science , 2013
An archaeon with an unusual perchlorate-reducing metabolism raises questions about the diversity and evolution of perchlorate-reducing microorganisms. [Also see Report by Liebensteiner et al.]
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