29/11/2012

A human-caused climate change signal emerges from the noise

By comparing simulations from 20 different computer models to satellite observations, Lawrence Livermore climate scientists and colleagues from 16 other organizations have found that tropospheric and stratospheric temperature ...

Grand Canyon as old as the dinosaurs, suggests new study

An analysis of mineral grains from the bottom of the western Grand Canyon indicates it was largely carved out by about 70 million years ago—a time when dinosaurs were around and may have even peeked over the rim, says a ...

Jigsaw a critical piece of the Notch puzzle

The Notch signaling pathway helps determine cell fate determination, differentiation and proliferative ability of numerous cells. How it accomplishes these tasks has been a puzzle, but researchers led by those at Baylor College ...

Microsoft prices Pro version of Surface at $899 (Update)

Microsoft's Surface tablet running a full version of Windows 8 Pro will start selling in January for $899 and up, the company said Thursday. But you'll have to pay more if you want a keyboard cover and the popular Office ...

Sources of E. coli are not always what they seem

U.S. Department of Agriculture (USDA) scientists have identified sources of Escherichia coli bacteria that could help restore the reputation of local livestock. Studies by Agricultural Research Service (ARS) scientist Mark ...

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