Scientists in a study at Penn State University have discovered a
genetic mutation that they say largely explains the emergence of white
skin in humans thousands of years ago.
They emphatically stated that skin color is but a part of what race is,
citing biological, social and political concepts that also come into
play.
But because the issue of skin color cannot be excluded from theories
involving natural selection, some are asking whether white is the skin
type that has over the millenia been "selected" out as the preferred
hue in the human community. They point to other "racial traits," such
as slant eyes and broad noses, that typify other than white-skinned
people.
I dunno.
http://www.washingtonpost.com/wp-dyn/content/article/2005/12/15/AR2005121501728.html
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