NASA Chief Scientist Predicts We'll Find Signs Of Alien Life By 2025 | http://j.mp/1Go45VI http://j.mp/1HPOnjo

NASA Chief Scientist Predicts We'll Find Signs Of Alien Life By 2025 | http://j.mp/1Go45VI http://j.mp/1HPOnjo:

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April 08, 2015 at 12:35PM