From: derek gatherer (firstname.lastname@example.org)
Date: Mon 27 Oct 2003 - 09:38:57 GMT
--- Keith Henson <email@example.com> wrote: > At
> Calvin argues that the final 2 fold expansion of the
> brain was largely
> driven by the human line moving into areas where
> accurate projectile
> hunting was the only way to get through the winter.
> Lots about "glacial
> pumping" in _Ascent of Mind._
I can see how that might work, but doesn't the
palaeontological record suggest that the final
transition from archaic H. sapiens to H. sapiens
sapiens occurred about 135,000 bp, and therefore
_before_ the migration to the glacial north?
I haven't read that book by Calvin, so perhaps he has
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