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NOVA Episode 33.18 Family That Walks on All Fours
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NOVA Episode 33.18 Family That Walks on All Fours

Episode Premiere
November 14, 2006
Genre
Documentary
Production Company
GBH
Official Site
http://www.pbs.org/wgbh/nova/
Episode Premiere
November 14, 2006
Genre
Documentary
Period
1974 -
Production Co
GBH
Distributor
PBS
Official Site
http://www.pbs.org/wgbh/nova/

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.