[UnbelievingScumOnTheOtherSide]

And White people with barely any pigment at all. What's to keep the Sun from killing them?

And Black people cannot survive at higher latitudes without supplementary Vitamin D produced naturally more efficiently in light skin, hence the global segregation over millennia.

[UCANSEE2]

And Black people cannot survive at higher latitudes without supplementary Vitamin D produced naturally more efficiently in light skin, hence the global segregation over millennia.

Now I know why I have never seen a black mountain climber on National Geographic.

[RegulatorCountry]

So, humanity was at one point naturally segregated by skin tone and latitude, with the darkest pigmentation at the equator, and the lightest toward either pole?

Interesting.