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Searching for Alien Life, on Earth

If you spend an afternoon walking along the muddy shore of Mono Lake, with the eastern flank of the Sierra Nevada mountains looming majestically in the background, you’ll no doubt discover, as others have ...

Oct 05, 2009 5 / 5 (5) 0

Eliminating the threat of nuclear arms

President Barack Obama has made his intention of eliminating all nuclear weapons a tenet of his administration's foreign policy. Professor Sidney Drell, a US theoretical physicist and arms-control expert, explains in February's ...

Feb 04, 2009 3.5 / 5 (6) 31