Lex Fridman Podcast
#455 – Adam Frank: Alien Civilizations and the Search for Extraterrestrial Life
Adam Frank
One is that you see something that has occurred in evolution that has only happened once, right? So let's take the opposite. You see something that's happened multiple times, like wings, lots of examples of wings over lots of different evolutionary lineages. So that's clearly not a hard, making wings is not a hard step.
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