The loss of body hair is interesting to anthropologists, because it is a feature that distinguishes us from our nearest living relatives, chimpanzees…

- Mark Stoneking

Lice have been with us and evolving with us for as long as we have existed.

- Mark Stoneking

D.N.A. sequences change by mutations, and the idea behind the molecular clock is that those changes occur at, more or less, a constant rate, over tim…

- Mark Stoneking