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Post by djehuti on Oct 20, 2014 21:19:59 GMT -5
I don't know if this article was posted here before during my absence but here: www.huffingtonpost.co.uk/2014/02/26/cancer-drove-black-skin-evolution_n_4856529.html It pretty much confirms the hypothesis of Nina Jablonski and others that high melanin levels were the result of selective pressure to protect skin from skin cancer even from birth. It was thought the risk of skin cancer was not as high for young offspring as it was for adults but the study proves Jablonski et al. right.
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Post by anansi on Oct 21, 2014 5:17:39 GMT -5
Makes alot of sense if man was originally born in the tropics then black skin would be better for survival we all know that extremely lite-skinned humans are at risk without sun screen for protection.
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Post by MorolongDithabeng on Oct 23, 2014 16:23:31 GMT -5
Having stayed in the Northern cape (near the Kalahari) for a few years, I experienced the Karoo heat 1st hand. That place is hot and it made me wonder why was I not gettin any darker. I also visited the Limpopo province, it lies on the Northern part of South Africa where banana and mango trees thrive, the place is equally hot and the people native to the area have dark brown to black complexion including some of the Zimbabweans since the Province borders that country. While in the Northern Cape I did a lot of fishing from the Xhariep/Orange river, what I observed was that the bottom feeding fish that adopted feeding on the algae that grew on the shallow rocks developed darker scales which mimicked the color of the rocks. Do humans have the same ability to color adapt to environment (camouflage) that science have not yet discovered?
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Post by anansi on Oct 23, 2014 19:33:10 GMT -5
Hmmm as a matter of camouflage?? that's an interesting theory but the only thing is we move around alot from one environment to another but worth looking into for sure.
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Post by snakepit on Oct 30, 2014 13:57:36 GMT -5
I don't know if this article was posted here before during my absence but here: www.huffingtonpost.co.uk/2014/02/26/cancer-drove-black-skin-evolution_n_4856529.html It pretty much confirms the hypothesis of Nina Jablonski and others that high melanin levels were the result of selective pressure to protect skin from skin cancer even from birth. It was thought the risk of skin cancer was not as high for young offspring as it was for adults but the study proves Jablonski et al. right. What would make them think that modern humans were born with pale skin & then "evolved" into pigmented beings, and then somehow "devolved" into (some) pale skinned beings?
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