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National Geographic Documentaries - Sex in the Stone Age

Seizoen: 2012 - Aflevering: 15 / 1227 - Eerst uitgezonden: 12 april 2012 - Episode ID: 639109

Scientists decode the DNA of a bone pulled from a Siberian cave revealing a previously unknown species of hominid that lived at the same time and place as modern humans; and interbred with them. They are a part of us we never knew existed. What did these "people" look like? And how do they fit into what we thought we knew about our biological development as a species?