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. Buy the DVD. This film premiered February 22, 2004.
expired1414995219004cove1414 Full Episodeunavailabledisabledshow11516Punk Rock Penguins Take a StandJuvenile penguins, sporting feather mohawks, band together to take on their worst enemy. 2015-01-28 01:00:00http://www.pbs.org/wnet/nature/files/2015/01/mezzanine_717-480x270.jpg2365404072cove11498Penguin Post Office - Preview Airs Wednesday, Jan 28, 2015 at 8:00 p.m. ET/PT. Check your local listings.2015-01-28 01:00:00http://www.pbs.org/wnet/nature/files/2015/01/06_19MB-e1421254841946-480x270.jpg2365404864cove
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