More on IQ

https://brainstats.com/average-iq-by-country.html

http://www.bbc.com/future/story/20190709-has-humanity-reached-peak-intelligence

http://www.lagriffedulion.f2s.com/sft.htm?fbclid=IwAR0SfNDcmEMX0jIBAlx4_GrBJV4tzftqJ9F6U8wurf_uppI-Z8ZFABtcafQ#gdp%20table


https://medium.com/incerto/iq-is-largely-a-pseudoscientific-swindle-f131c101ba39

https://journals.sagepub.com/doi/full/10.2466/04.17.CP.4.15?fbclid=IwAR2aM0vA8N0-UX8Td_jk6Z-8cPv4QgUHzgYe9-xGFLB8c40svHarp9TdsIQ


Without evolutionary pressures, natural selection stops.