Overview
This episode focuses on a scientific debate about five siblings in a Turkish family who walk on all fours. When, in 2005, scientist Uner Tan labeled them "genetic throwbacks," they became part of the dialogue about a possible missing link to an era when humans walked on all fours. Included: comments from geneticist Sean Carroll and anthropologist Brian Richmond, who disagree with Tan; and interviews with and footage of the family.
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33 - 1Mystery of the Megaflood September 20, 2005 -
33 - 2Sinking the Supership October 04, 2005 -
33 - 3Einstein's Big Idea October 11, 2005 -
33 - 4Volcano Under the City November 01, 2005 -
33 - 5Hitler's Sunken Secret November 08, 2005 -
33 - 6Newton's Dark Secrets November 15, 2005 -
33 - 7Storm That Drowned a City November 22, 2005 -
33 - 8The Mummy Who Would Be King January 03, 2006 -
33 - 9Deadly Ascent January 17, 2006 -
33 - 10The Perfect Corpse February 07, 2006 -
33 - 11Jewel of the Earth February 14, 2006 -
33 - 12The Ghost Particle February 21, 2006 -
33 - 13Arctic Passage February 28, 2006 -
33 - 14The Great Robot Race: Nova March 28, 2006 -
33 - 15Voyage to the Mystery Moon April 04, 2006 -
33 - 16Dimming the Sun April 18, 2006 -
33 - 17Wings of Madness November 07, 2006 -
33 - 18Family That Walks on All Fours November 14, 2006
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33 - 19ScienceNOW: Extinction October 03, 2006
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33 - 20Underwater Dream Machine December 26, 2006
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