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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
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Can we track the world's nuclear weapons?

The Bulletin of the Atomic Scientists has unveiled an interactive infographic that tracks the number and history of nuclear weapons in the nine nuclear weapon states: the United States, Russia, the United Kingdom, France, C ...

Mar 03, 2015
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The varieties of nuclear strategy

During the Cold War, nuclear-weapons strategy was oriented around the doctrine of "mutual assured destruction": The world's two superpowers, the United States and the Soviet Union, both knew that any use ...

May 28, 2014
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Bugs and slime to clean poisoned water

Australian scientists have developed a way to clean up the potentially deadly arsenic that pollutes the drinking water of tens of millions of people around the world.

Sep 16, 2013
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