News
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ChemistryChemists make molecules with less mess
Researchers have found a way for a widely used, commercially important chemical reaction to produce less pollution.
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ComputingNew initiatives scale up supercomputing
Several government efforts aim to give researchers access to computing power in the range of 12 trillion operations per second or more.
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EarthSahara to get hotter, drier, smaller
By the end of this century, the world's hottest desert will be even hotter, drier, and smaller than it is now, according to an international team of climate modelers.
By Sid Perkins -
EarthResetting a clock from Earth’s rocks
Better measurements of one of the rates of radioactive decay used to date extremely old rocks open up the possibility that Earth may have had a crust as many as 200 million years earlier than previously thought.