>There is no evidence that dogs/domesticated wolves have been around
>longer than Homo Sapiens, so they are later than the "full size brained"
>man.  Homo Neandertalis had bigger brains and no dogs.
>
>- Hans

Good point.  I don't know if I buy the 'dogs helped our brains develop'
theory either.  I wonder when the shift to lighter weaponry that Ray
mentioned took place.  This was the evidence he sighted for early symbiosis.