Krugman quoted in https://foreignpolicy.com/gt-essay/the-end-of-economics-fareed-zakaria/ found on twitter, comments brings up old paper on irrationality and economics
science
Peak IQ
http://conversableeconomist.blogspot.com/2019/01/the-flynn-effect-rising-iq-scores-over.html
“the Flynn effect strongly suggests that differences in measured intelligence are not purely genetic, but also have a strong environmental component. However, the Flynn effect now seems to be moving in reverse.”
man is a domesticated primate
https://www.wsj.com/articles/humans-the-domesticated-primates-11547133935
300k years ago human brain starts shrinking like that of domesticated animals, in connection with losing aggressivness like in domesticated animals -> we self-domesticared