Man the martial artist
The human hand evolved partly as a tool for fighting, researchers argue
By Erin Wayman, 16:19 PM December 19, 2012
Ancient rumbles in the jungle might have left a lasting mark on the human hand.
The hand’s proportions are such that clenching the fingers creates an effective bludgeon, a pair of researchers observes. Perhaps, they propose online December 19 in the Journal of Experimental Biology, evolution played a role in making the hand such a punishing weapon.
But other scientists are skeptical. “There’s no compelling evidence that the hand evolved in this way,” says Mary Marzke, a physical anthropolo...
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