January 10, 2012 7:18 PM

Doomsday Clock one minute closer to doom

The world needs a wakeup call, says the Bulletin of the Atomic Scientists. By inching the minute hand of the Doomsday Clock — which symbolizes how close the world is to catastrophe — one minute closer to midnight (or world elimination) Tuesday, board members of the science organization said they hope political leaders will heed this call to action.

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