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.
expiredpublic1414http://www.pbs.org/wnet/nature/holy-cow-video-full-episode/1414/995219004cove1414 Full Episodeunavailabledisabledshowfalse16144Boxer Crab Fights off PufferfishThis tiny shellfish uses fists for self defense.http://www.pbs.org/wnet/nature/boxer-crab-fights-off-pufferfish/16144/2018-05-02 21:00http://www.pbs.org/wnet/nature/files/2018/04/NBR_Ep2_Clip_MM-480x270.jpg3011509947cove16139Cannibal Wall Lizards in GreeceWhat happens when a lot of lizards have very little food?http://www.pbs.org/wnet/nature/natural-born-rebels-nature-miniseries-cannibal-wall-lizards-greece/16139/2018-04-25 21:00http://www.pbs.org/wnet/nature/files/2018/04/NBR_Ep1_Clip_MM_v2-480x270.jpg3011509695cove