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PBS Space Time
Is There A Simple Solution To The Fermi Paradox?
Season 11
Episode 4
Around 2 billion years ago, life had plateaued in complexity, ruined the atmosphere, and was on the verge of self-annihilation. But then something strange and potentially extremely lucky happened that enabled endless new evolutionary paths. The first eukaryote cell was born. This may also explain why there are no aliens.
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