Knuckle Walking (was Re: Time Frame: Early Hominids)

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Is knuckle walking something which evolved once, in a common
ancestor of gorillas and chimpanzees, or did it evolve two or more
times in primate lineages? I'm a bit fuzzy on how chimps and humans
could share a more common ancestor than chimps and gorillas, when humans
and their homo whatever ancestors don't AFAIK show any sign of that
particular adaptation.

James Nicoll

-- 

	In a few years I won't remember what it was to play

	The music of old friends who need to live so far away

	But can I taste Northern waters, then forsake them for the South

	To feel California's ashes in my mouth

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