Our primary variation is along two very obvious axis: neoteny and dimorphism. Wi

Our primary variation is along two very obvious axis: neoteny and dimorphism. With European maximizing dimorphism and east asians maximizing neoteny. Much if not all of this variation is due to climatological pressures which force self domestication and eliminate the bottom. https://twitter.com/curtdoolittle/status/1451980269674762247