Evolutionary psychologists propose that a conditional human tendency for promiscuity is inherited from hunter-gatherer ancestors.

"Why it's unlikely we are more stupid than our hunter-gatherer ancestors".

The history of working animals may predate agriculture, with dogs used by our hunter-gatherer ancestors.

One of the "adaptive problems faced by our hunter-gatherer ancestors," particularly females, was being abducted by another band.

But unless we destroy ourselves first we will be inventing new technologies as strange to us as Voyager might be to our hunter-gatherer ancestors.

Our hunter-gatherer ancestors who lived some 10,000 years ago worked hard to catch their supper, and fat provided a rich source of energy in times of uncertain food supply.

Wouldn't cooperative bands among our hunter-gatherer ancestors have fared better than individualists who tried to scratch out a living on their own?

But just about all humans have strong instincts for altruism, because our hunter-gatherer ancestors survived by banding together and sacrificing for the clan's good.

It makes sense that anyone of African descent might be lactose intolerant, since their hunter-gatherer ancestors had no lactose in their diets.

His hunter-gatherer ancestors, by contrast, were doofus gods.