Category: Human Behavior and Cognitive Science

Gestation period has outsized effects across the spectrum. You want a kid ‘fully baked, but not overbaked’. Original proto-human mating pattern (prior to use of sex for social coheson) was summer births, fall sex hormones produce more masculine(rational) thinking.

You can’t have men XY and women XX with the same genes. I don’t understand. (I often miss your meaning in these things.) Example: Some sex differences could be as simple as the Y chromosome has fewer copies of some encoding than the X chromosome. (It’s why we age differently.)