The Birth-Death Drake Equation | Part 2 of 2
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The Drake Equation After Sixty Years | Part 1 of 2
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The “Crisis in Cosmology” EXPLAINED
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Why We May Be Surrounded by Older Alien Civilizations
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Searching for Extraterrestrial Life (and the Drake Equation) - Sixty Symbols
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Watching the End of the World
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The Problem With "The Rare Earth Hypothesis"
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The Greatest Mathematician Who Ever Lived
30:54