National Geographic Naked Science: The Human Family Tree (2011)
On the most diverse street in the most diverse city in the most diverse country in the world, a team of National Geographic scientists will swab the cheeks of some 200 random New Yorkers. The goal: to retrace our ancestral footprints and prove we are all cousins in the "family of man." Join geneticist Spencer Wells and a team of technicians from National Geographics Genographic Project as they trace the human journey...
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