On fifth thing, I agree Vox found ppl who disagree with him, but he represents majority scientific position. See eghttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4804158/ …
What do you mean by "explanation"? Does the mechanism where Irish people have more red hair have a "good explanation"?
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we understand very clearly which genes cause irish people to have red hair and we have good theories as to why they were selected
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our ideas about intelligence are a lot less good!
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If you're asking for the exact evolutionary pressures, various proposals including adaptation to > parasite load in tropics.
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ive heard that one and confess to not knowing all the ins and outs of it but it seems like some post-hoc shit to me
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