@KirkegaardEmil @thealthype https://notpoliticallycorrect.me/2017/10/28/microcephaly-and-normal-iq/ … https://notpoliticallycorrect.me/2017/10/24/small-brained-normal-iq/ …pic.twitter.com/6Z24diCJGM
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I agree with you, imo that shows that we don't need large brains for our current IQs.
It makes no sense. Analogous arguments show we don't need big muscles to lift heavy weights, long legs to run fast, be tall to play basket.
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Long legs help for running. However the brain has huge metabolic costs. If we could get by with the number of neurons that erectus had,
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Then why not? Also large muscles aren't conducive to strength. Sure Mark Rippetoe says 'a bigger muscle is a stronger muscle'
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