The human record shows leaps by expansion, isolation, into caloric availability, and a standard deviation in neoteny and intelligence every 10k yrs. 70-60k ybp (E African), 60-50 ybp (Eurasian), 50-40 ybp (E asian), 30-20 (N Eurasian), 10+ agrarian, steppe, sail hybridizations.
Source date (UTC): 2020-12-26 16:55:33 UTC
Original post: https://twitter.com/i/web/status/1342876716776173569
Reply addressees: @francispouliot_
Replying to: https://twitter.com/i/web/status/1342859057481338882
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