Particles from the upper atmosphere trapped in a deep pile of Antarctic snow hold clear chemical traces of global meteorological events, a team from the University of California, San Diego and a colleague from France have ...
Earth Sciences
Feb 25, 2013
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(Phys.org)—By studying the origins of different isotope ratios among the elements that make up today's smorgasbord of planets, moons, comets, asteroids, and interplanetary ice and dust, Mark Thiemens and his colleagues ...
Earth Sciences
Feb 20, 2013
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Opening a new window on the way plants generate the oxygen we breathe, researchers used an X-ray laser at the Department of Energy's (DOE) SLAC National Accelerator Laboratory to simultaneously look at the structure and chemical ...
General Physics
Feb 14, 2013
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Scientists at the University of Glasgow have developed a new method to make packaged food safer for consumers and more long-lived on the shelf by harnessing the germ-killing power of ozone.
Materials Science
Feb 11, 2013
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(Phys.org)—Pathogenic bacteria kill their animal or plant hosts through the production of toxic molecules. But how do animals and plants defend themselves against these toxins? Researchers from the Boyce Thompson Institute ...
Biochemistry
Jan 30, 2013
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In the quest to produce an environmentally benign renewable fuel, scientists have explored many techniques to split water molecules to produce hydrogen. Still, the current photovoltaic designs are not yet technically or economically ...
Materials Science
Jan 16, 2013
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Scientists at The University of Manchester have made a surprising finding after studying how tadpoles re-grow their tails which could have big implications for research into human healing and regeneration.
Cell & Microbiology
Jan 13, 2013
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The immune system generates antibodies to mark threats that need to be eliminated, and these protein complexes bind their targets with remarkable strength and selectivity. Scientists have learned how to generate cell lines ...
Cell & Microbiology
Jan 2, 2013
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Achieving a goal considered nearly impossible, JILA physicists have chilled a gas of molecules to very low temperatures by adapting the familiar process by which a hot cup of coffee cools.
Quantum Physics
Dec 19, 2012
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Oxidative stress is believed to cause a number of diseases. Up to now, it has been common practice to measure oxidative stress levels by determining the oxidation state of a small molecule called glutathione in cell extracts. ...
Biochemistry
Dec 17, 2012
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