Lex Fridman Podcast
#455 – Adam Frank: Alien Civilizations and the Search for Extraterrestrial Life
Adam Frank
Well, I think what's... I'm not sure if that's true. I don't know if it needs to be like an almost extinction event, right? Because it's certainly true that we have gone through... almost extinction events where we've had five mass extinctions. But you don't necessarily see that there was this giant evolutionary leap happening after those.
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