Why Haven’t We Found Aliens?

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If the probability of alien life is so high based on findings such as Drake's Equation, why haven't we made contact with any? Trace and Dr. Ian O'Neill break down the Fermi Paradox and more!
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Sources:
The Fermi Paradox: waitbutwhy.com/...
The Drake Equation: www.seti.org/dr...
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TestTube Plus is built for enthusiastic science fans seeking out comprehensive conversations on the geeky topics they love. Host Trace Dominguez digs beyond the usual scope to deliver details, developments and opinions on advanced topics like AI, string theory and Mars exploration. TestTube Plus is also offered as an audio podcast on iTunes.
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Trace Dominguez on Twitter / tracedominguez
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TestTube on Google+ gplus.to/TestTube
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