As people move more often and become more urbanized, skin color -- an adaptation that took hundreds of thousands of years to develop in humans -- may lose some of its evolutionary advantage, according to an anthropologist.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/Y...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/Y...