Gov't to adopt strict new limits on chimp research
(AP) -- Days in the laboratory are numbered for chimpanzees, humans' closest relative.
Plants & Animals
Dec 15, 2011
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Shared flavor compounds show up on US menus, rare in Asian cuisines
North Americans and Western Europeans love a good mix of alpha-terpineol, 4-methylpentanoic acid and ethyl propionate for dinner, flavor compounds shared in popular ingredients like tomatoes, parmesan cheese and white wine. ...
Other
Dec 15, 2011
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Study of skates and sharks questions assumptions about 'essential' genes
Biologists have long assumed that all jawed vertebrates possess a full complement of nearly identical genes for critical aspects of their development. But a paper in the December 16 issue of Science with Benjamin King of ...
Biotechnology
Dec 15, 2011
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Discovery of a 'dark state' could increase maximum theoretical efficiency of solar cells from 31 to 44 percent
The efficiency of conventional solar cells could be significantly increased, according to new research on the mechanisms of solar energy conversion led by chemist Xiaoyang Zhu at The University of Texas at Austin.
Condensed Matter
Dec 15, 2011
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Decades-old conclusion about energy-making pathway of cyanobacteria is corrected
A generally accepted 44-year-old assumption about how certain kinds of bacteria make energy and synthesize cell materials has been shown to be incorrect by a team of scientists led by Donald Bryant, the Ernest C. Pollard ...
Cell & Microbiology
Dec 15, 2011
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Nitrogen from humans pollutes remote lakes for more than a century
Nitrogen derived from human activities has polluted lakes throughout the Northern Hemisphere for more than a century and the fingerprint of these changes is evident even in remote lakes located thousands of miles from the ...
Environment
Dec 15, 2011
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Experiments explain why almost all multicellular organisms begin life as a single cell
Any multicellular animal, from a blue whale to a human being, poses a special difficulty for the theory of evolution. Most of the cells in its body will die without reproducing, and only a privileged few will pass their genes ...
Cell & Microbiology
Dec 15, 2011
7
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Tool detects patterns hidden in vast data sets
Researchers from the Broad Institute and Harvard University have developed a tool that can tackle large data sets in a way that no other software program can. Part of a suite of statistical tools called MINE, it can tease ...
Computer Sciences
Dec 15, 2011
1
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Less knowledge, more power: Uninformed can be vital to democracy, study finds
Contrary to the ideal of a completely engaged electorate, individuals who have the least interest in a specific outcome can actually be vital to achieving a democratic consensus. These individuals dilute the influence of ...
Social Sciences
Dec 15, 2011
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Facebook rolls out 'Timeline' feature to all users
Facebook on Thursday began transforming profile pages into interactive digital scrapbooks that let members of the world's leading online social network tell the stories of their lives.
Internet
Dec 15, 2011
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