12/11/2012

Cray supercomputer named world's fastest

A Cray supercomputer at the US government's Oak Ridge National Laboratory was named Monday the world's fastest, overtaking an IBM supercomputer at another American research center.

NY Times in spotlight as ex-BBC chief takes reins

Former BBC chief Mark Thompson assumed his new role at The York Times Co. Monday amid questions about whether the crisis engulfing the British broadcaster would spill over to the US news organization.

Persistence or extinction: Through a mathematical lens

Scientists have estimated that there are 1.7 million species of animals, plants and algae on earth, and new species continue to be discovered. Unfortunately, as new species are found, many are also disappearing, contributing ...

Is dark energy static or dynamic?

(Phys.org)—While hypothesized dark energy can explain observations of the universe expanding at an accelerating rate, the specific properties of dark energy are still an enigma. Scientists think that dark energy could take ...

Bringing measuring accuracy to radical treatment

An international team of scientists working at the Plasma Technology research unit at Ghent University, Belgium, has determined for the first time the absolute density of active substances called radicals found in a state ...

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