About 8,000 years ago, the relationship between cows and man began with the revolutionary advent of domestication in Mesopotamia, the Indus River Valley, and Africa. Discover how cows have altered human life, human biology, and the geography of the world.
expired1414995219004cove1414 Full Episodeunavailabledisabledshowfalse13345Trailer: My Bionic PetAmazing animal prosthetics and equally amazing animals. 2014-04-09 20:00:00http://www.pbs.org/wnet/nature/files/2015/11/mezzanine_258-480x270.png2365179451cove13325Ocean Giants: Voices of the SeaVisit a surprising underwater world where sound takes the place of sight.2012-04-11 00:01:00http://www.pbs.org/wnet/nature/files/2015/11/03_12_23MB12-e1448052452851-480x270.jpg2204091519cove
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