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3/11/10
| News
An analysis of more than 70,000 galaxies by physicists in the U.S. and Switzerland demonstrates that the universe—at least up to a distance of 3.5 billion light years from Earth—plays by the rules set out 95 years ago by Albert Einstein in his General Theory of Relativity.
Mar 10 | News
Ancient tropical rocks that now reside in the remote northern reaches of Canada tell the tale: about 716.5 million years ago the Earth lay bound in a layer of ice that limited life to eukaryotes. Strangely, this glaciation—history’s most extensive at 5 million years, say researchers at NSF and Harvard—occurred at about the same time that animals appear in the fossil record.
Mar 8 | News
Today, at the world’s largest supercollider, all of the control rooms will be staffed by women. A brainstorm of Indiana Univ.'s Pauline Gagnon, the event is part of a larger observation of International Women’s Day and a celebration of the accomplishments of women in the highly technical field of high-energy physics.
Mar 12 | News
Scientists at the Biodesign Institute at Arizona State have hit on a new, versatile method to significantly improve the detection of trace chemicals. The technique—electrochemical imaging microscopy—was able to detect and identify TNT particles weighing less than a billionth of gram on the ridges and canals of a fingerprint.
Mar 12 | News
At 1.3 million cubic feet, the Goddard Space Flight Center’s High Bay Clean Room, where the components of the James Webb Space Telescope are now being assembled, circulates a staggering one million cubic feet of air per minutes, ensuring no more than 10,000 particles larger than 0.5 microns. Progress on the telescope can now be viewed by webcam.
Mar 12 | News
Conventional biological wisdom holds that living cells interact with their environment through an elaborate network of chemical signals, which is most therapies rely on drugs that block chemical signals. Scientists can now show, however, for the first time, that direct physical force can also change the way cellular proteins conduct chemical activity.
Mar 12 | News
Researchers at Stanford University have successfully developed a brand new concept of organic lighting-emitting diodes (OLEDs) with a few nanometers of graphene as transparent conductor. This paves th...
Mar 11 | News
Known as the poet of the piano for his romantic, melancholic compositions and his revolutionary, nuanced playing style, Polish composer and pianist Frederic Chopin continues to entice pianists and woo audiences more than 160 years after his death.
Mar 11 | News
Debate has simmered for a half-century over why firms pay out cash dividends, siphoning money away from business-building investments and often creating an added tax burden for the shareholders who collect them.
Mar 11 | News
For the work-weary, the word vacation may conjure images of leisurely, carefree days at the beach sipping umbrella drinks. But according to published research by a University of Illinois expert in tourism and recreation, genealogical tourism is one of the fastest growing markets in vacation travel...
Mar 11 | News
The Obama White Houses new-media photo archive is just the latest wrinkle in an old practice of image management and political communication, says Cara Finnegan, who studies the political and persuasive uses of photography, and who has been studying the White House Flickr site.
Mar 11 | News
Whether a proposed jobs bill might carve into U.S. unemployment still languishing near double digits is anybodys guess, a University of Illinois economist says.
Mar 11 | Journal Articles
Apolipoprotein L-I (apoL1) is a human-specific serum protein that kills Trypanosoma brucei through ionic pore formation in endosomal membranes of the parasite. The T. brucei subspecies rhodesiense and gambiense resist this lytic activity and can infect humans, causing sleeping...