[Retric]

The current view is skin color is simple evolutionary response which can easily occur on those timescales. https://www.psu.edu/impact/story/the-evolution-of-skin-color...

Several things have changed as recently as 11,000 years. “Examples for adaptations related to agriculture and animal domestication include East Asian types of ADH1B associated with rice domestication,[71] and lactase persistence.” https://en.wikipedia.org/wiki/Recent_human_evolution

[andrewflnr]

Very neat. I didn't know about the folate angle selecting for dark skin in the first place.