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Old 01-10-2009, 08:59 PM
Really Not All That Bright is offline
Join Date: May 2003
Location: Florida
Posts: 68,338
Originally Posted by Alex_Dubinsky View Post
(Keep in mind black people, due to their skin, also have a much harder time photosynthesizing it. They should NOT wear sunscreen unless they'll be exposed to strong sunlight excessively. Same for white people, to their own degree.)
I do not think that word means what you think it means. White people don't have any more chlorophyll in their skin cells than black people...
Originally Posted by Vox Imperatoris View Post
A thought just occured to me—is that why the native tribal black Africans you see pictures of are so dark colored, or is it mainly a genetic difference, as I had previously assumed?
Genetic; American black folk usually have at least one or two white ancestors; for obvious reasons, African blacks usually don't.

That said, there's tremendous variation in skin tone among Africans, too.