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Selection on the genetic predictors of cognitive performance peaked in the Bronze Age and has left no trace at all in the last 2,000 years.

Drawn from what David Reich said

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What David Reich actually said

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  1. David Reich

    Geneticist at Harvard Medical School

    And what you see when you look at intelligence is you see that this maxes out in the Bronze Age between 5,000, 4,000, 3,000, 2,000 years ago. And the impact in the last 2,000 years is almost nothing. There's no evidence of natural selection at all.

    Where this was said

    Watch from 0:31:29 plays here

    ↗David Reich – Bronze Age shock, the Neanderthal puzzle, & the sudden spread of farmingyoutube.com

    video · 2h 13m · spoken · machine transcript

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