Monday, September 29, 2014

Skin pigment renders sun's UV radiation harmless using projectiles

The pigment of the skin protects the body from the sun’s dangerous UV rays, but researchers have not until recently known how this works. Now they report that skin pigment converts the UV radiation into heat through a rapid chemical reaction that shoots protons from the molecules of the pigment.



from Geochemistry News -- ScienceDaily http://ift.tt/1xuohjU

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