01. Where are all the aliens?!
It‘s Probably (not) Aliens!
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Convergent Evolution Is Not as Common as We Thought
Convergent evolution is this idea that there's certain things that just work, and so that they have evl olved multiple times over the history of life. Growing evidence to show that a what's called convergent evolution isn't as common as we thought. So it could be that intelligence of a human level is not a guaranteed thing that's going to evolve several times and be easy to replicate.
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