The intelligence needed to adapt in the ways expressed in this thread are only possessed by 0.0001 percentile of human beings. Boil this down along racial lines and you start to get how trival it really is. You really think an African or an Asian or East Indian saw a gun and didn't think about using it?
Come on, now, get real.
Secondly, Nubia and Egypt are pre-dated by an African mother-culture where Mali, Bantu and all the rest orginate. This isn't afrocentrism but historic fact that's supported by the evidence present in the "Out of Africa" theory.