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#279 – Alien Debate: Sara Walker and Lee Cronin

Lex Fridman Podcast

The Origins of the Causal Chain

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If you look in the sure of two interacting living things, populations, and they have independent origins for their causal chain, then you would say one was alien. So that's why you wait even defind them as alien. But when you're looking at aliens or alien life, er, there's not goigt be two different types of chemistry, because they compete. They compete and interact and co operate, because the causal chans overlap. It almost looks like the origin of life on earth required two different pre life forms, the peptide world and the irona world. Somehow they got together, and by combining, you got the ribozone. And that was the minimum competent

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