Until today, Alfred Russell Wallace's century old map from 1876 has been the backbone for our understanding of global biodiversity. Thanks to advances in modern technology and data on more than 20,000 species, scientists ...
Ecology
Dec 20, 2012
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(Phys.org)—New observations by the MESSENGER spacecraft provide compelling support for the long-held hypothesis that Mercury harbors abundant water ice and other frozen volatile materials in its permanently shadowed polar ...
Space Exploration
Nov 29, 2012
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An international group of scientists working at the SLAC National Accelerator Laboratory has mapped a weak spot in the parasite that causes African sleeping sickness, pinpointing a promising new target for treating a disease ...
Biochemistry
Nov 29, 2012
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Using tiny radiation pressure forces—generated each time light is reflected off a surface—University of Oregon physicists converted an optical field, or signal, from one color to another. Aided by a "dark mode," the conversion ...
Quantum Physics
Nov 15, 2012
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An team of Rutgers University scientists led by Richard H. Ebright and Eddy Arnold has determined the three-dimensional structure of the transcription initiation complex, the key intermediate in the process by which cells ...
Cell & Microbiology
Oct 18, 2012
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During the breeding season, polygynous male pectoral sandpipers that sleep the least sire the most young. A team of researchers headed by Bart Kempenaers from the Max Planck Institute for Ornithology in Seewiesen has now ...
Plants & Animals
Aug 9, 2012
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(Phys.org) -- Last year, astronomers discovered a quiescent black hole in a distant galaxy that erupted after shredding and consuming a passing star. Now researchers have identified a distinctive X-ray signal observed in ...
Astronomy
Aug 2, 2012
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The powerful magnitude-8.6 earthquake that shook Sumatra on April 11, 2012, was a seismic standout for many reasons, not the least of which is that it was larger than scientists thought an earthquake of its type could ever ...
Earth Sciences
Jul 19, 2012
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Scientists have long believed that comets and, or a type of very primitive meteorite called carbonaceous chondrites were the sources of early Earth's volatile elements—which include hydrogen, nitrogen, and carbon—and ...
Space Exploration
Jul 12, 2012
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(Phys.org) -- Over the years, cosmologists have found ample evidence of just two kinds of black holes: stellar mass black holes and supermassive black holes. The former are considered small by most standards, just several ...
