(Phys.org) —The term "survival of the fittest" refers to natural selection in biological systems, but Darwin's theory may apply more broadly than that. New research from the U.S. Department of Energy's Brookhaven National ...
Other
Mar 29, 2013
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A tiny, translucent zebrafish that glows green when its liver makes glucose has helped an international team of researchers identify a compound that regulates whole-body metabolism and appears to protect obese mice from signs ...
Biochemistry
Dec 2, 2012
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Biochemists at The Scripps Research Institute (TSRI) have discovered a genetic sequence that can alter its host gene's activity in response to cellular energy levels. The scientists have found this particular energy-sensing ...
Biochemistry
Oct 21, 2012
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Scientists have discovered why the 'broken world' following the worst extinction of all time lasted so long – it was simply too hot to survive.
Earth Sciences
Oct 18, 2012
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Unlike ordinary cells, cancer cells devote most of their energy to reproducing themselves. To do this, they must trigger alternative metabolic pathways that produce new cellular building blocks, such as DNA, carbohydrates ...
Biochemistry
Aug 27, 2012
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By some estimates, a third of the Earth's organisms by mass live in our planet's rocks and sediments, yet their lives and ecology are almost a complete mystery. This week, microbiologist James Holden at the University of ...
Cell & Microbiology
Aug 6, 2012
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(Phys.org) -- With a milliseconds long flash of blue light, Yale University researchers regulated a critical type of signaling molecule within cell membranes, another illustration of the power of light-based techniques to ...
Cell & Microbiology
Jul 31, 2012
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Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have identified key elements in the biochemical mechanism plants use to limit the production of fatty acids. The results suggest ways scientists ...
Biotechnology
Jun 4, 2012
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(Phys.org) -- As plants began to transition from aquatic habitats to dry land some 500 million years ago, their needs changed. Those primitive ancestors of modern plants were ill-equipped to survive in a dry, sunlight-blasted ...
Biotechnology
May 13, 2012
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In Alzheimer's disease, brain neurons become clogged with tangled proteins. Scientists suspect these tangles arise partly due to malfunctions in a little-known regulatory system within cells. Now, researchers have dramatically ...
Biochemistry
Apr 16, 2012
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