Re: is our brain part of evolution?

Bryant (
15 Oct 1996 19:18:15 -0600

In article <540kp2$>,
Richard Ottolini <stgprao@sugarland.unocal.COM> wrote:

>One hypothesis is the large brain is a heat exchanger for the
>demands of running. It brings lots of blood near the surface.
>Kind of like a dog's nose.

For that function, one would expect increased vasculature outside the
skull. I think that this hypothesis you describe was Aristotle's
explanation, BTW.