The first animal model of recent human evolution reveals that a single mutation produced several traits common in East Asian peoples, from thicker hair to denser sweat glands, and computer models suggest the variation arose about 30,000 years ago in central China.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/j...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/j...