Regarding class size and neoteny: Historical geography created demands on different human groups (races). In the cold we were under higher environmental pressure to grow slowly and calmly. In the hot, a greater pressure to mature quickly because of the disease gradient.
Simple.
Source date (UTC): 2022-07-20 18:04:27 UTC
Original post: https://twitter.com/i/web/status/1549817529727680521
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Replying to: https://twitter.com/i/web/status/1549798114080411649
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