Evolution of skin colors of the world

Evolution of skin colors of the world

There are 62 comments on the www.scientificblogging.com story from Jan 9, 2008, titled Evolution of skin colors of the world. In it, www.scientificblogging.com reports that:

Skin color results from the presence of the pigment melanin, an organic molecule that absorbs UV radiation and neutralizes free-radicals produced by UV radiation.

The more melanin, the more protection against UV radiation and the darker the skin. Hmm, if that is the case, why do not all humans have dark skin?

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Since: Apr 07

Location hidden

#69 Feb 9, 2012
It's all geek to me.
Gel Foam

New York, NY

#70 Feb 12, 2012
Geek is good

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