Lex Fridman Podcast
#455 – Adam Frank: Alien Civilizations and the Search for Extraterrestrial Life
Adam Frank
There are certain other things that people say, no, that's a hard step, oxygen, you know, the oxygen photosynthesis. But they are so, they tend to be so long ago that we've lost all the information. There could be other things in the fossil record that, you know, went, made this innovation, but they're just gone now. So you can't tell. So there's information loss.
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