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 Episodeunavailabledisabledshow11728Mystery Monkeys of Shangri-La Premieres April 29, 2015 at 8/7c on PBS. Check your local listings. 2015-04-29 00:00:00http://www.pbs.org/wnet/nature/files/2015/03/mystery_monkeys_top_color-480x270.jpg2365450731cove11692Hummingbird Builds Tiny NestA female Anna's hummingbird builds a nest constructed of plant fibers and spiderwebs. 2015-04-08 00:00:00http://www.pbs.org/wnet/nature/files/2015/03/animal_homes_ep1_hummingbird-480x270.jpg2365447445cove
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