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#198 – Sara Walker: The Origin of Life on Earth and Alien Worlds
Lex Fridman Podcast
The Chemical Correlations of Life
In astrobiology, it's not... There's no concept of chemical correlates of life. We think if we find molecules that are involved in biology, we've found life. So I think one of my motivations there was just to separate the fact that life has abstract properties associated to it. They become imprinted in material substrates. And those substrates are correlates for that thing, but they are not necessarily the thing we're actually looking for. The thing that we're looking for is the physics that's organizing that system to begin with.
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