Generally speaking, IQ will increase with environmental exercise, which is provided by cities. This is true everywhere (I think) other than east asia. I don’t know how to account for this yet. (I don’t think anyone else does either). Although I suspect the writing plays a role.
Source date (UTC): 2018-08-25 14:45:11 UTC
Original post: https://twitter.com/i/web/status/1033364671343063040
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