Dipping Into the Gene Pool.

Presents research conducted by population geneticist and anthropologist Spencer Wells regarding the genetic roots of human history. Genetic data collected from the Hadzabe, a group of hunter-gatherers in Tanzania; Report that climate change during the last ice age nearly wiped out the human species; Report that the Altai region in Siberia was the source of population expansions starting some 35,000 years ago; Research on the Yagnob language; Report that eight percent of men in Central and East Asia are descended from the Mongol leader Genghis Khan; Report that the city of Jericho offers a glimpse into Neolithic life when humans began settling to farm; Report that both Muslims and Christians in Lebanon share common Phoenician ancestors.