when did humans see the highest median iq for a large genetically and culturally contiguous population
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I don't think what happens at the top is as important as the bottom third generally surviving due to the devil's "medical science" The tl;dr: https://www.sciencedirect.com/science/article/abs/pii/S0160289613000470 …
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if you feel bad about that you can keep yourself awake at night with The Crumbling Genome
End of conversation
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