Thread: How man 'lost his penile spines'
#1 How man 'lost his penile spines'03-10-2011, 07:10 AMScientists believe men once had small spines on their genitalia such as those found in chimpanzees, cats and mice.
Analysis of the genomes of humans, chimpanzees and macaques indicates that a DNA sequence thought to play a role in the production of these spines have been deleted in humans, but has been preserved in other primates. ...
And ladies across the world are very grateful. :D
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