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The Drake Equation

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Calculating the Odds of Intelligent Alien Life
From ted.com, produced by TED education
Could there be intelligent life on other planets? This question has piqued imagination and curiosity for decades. Explore the answer with the Drake Equation -- a mathematical formula that calculates the possibility of undiscovered life.  (07:28)
July 23, 2012 at 10:06 AM
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