On Thu, 24 Feb 2000, gordon wrote: > Depending on when you start the clock, our primitive > Cro-Magnon ancestors and their ancestors had something like 2,000,000 years > to do something significant with all that free time. Two million years is a > very long time and they have almost nothing to show for it. Their neolithic > progeny accomplished more in 10 thousand years than they did in the 2 > million prior! The great cultural Leap Forward began about 40,000 years ago, well before the advent of agriculture. I don't pretend to be able to explain it, but it's clear that agriculture is not the whole story. Todd Moody