Overview
This episode details the explosion of the basic working dog types into the roughly 400 breeds known today; explores concerns about today’s competitive breeding and its effect on dogs’ health and well-being; and outlines dogs’ potential role in medical care for human beings.
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25 - 1Chimpanzees: an Unnatural History October 24, 2006 -
25 - 2Penguins of the Antarctic November 12, 2006 -
25 - 3Christmas in Yellowstone November 19, 2006 -
25 - 4The Best of 'Nature': 25 Years January 14, 2007 -
25 - 5Rhinoceros January 28, 2007 -
25 - 6Unforgettable Elephants February 03, 2007 -
25 - 7Supersize Crocs February 11, 2007 -
25 - 8Raptor Force February 18, 2007 -
25 - 9Andes: The Dragon’s Back February 25, 2007 -
25 - 10Voyage of the Lonely Turtle April 15, 2007 -
25 - 11Dogs That Changed The World: The Rise of the Dog April 22, 2007 -
25 - 12Dogs That Changed The World: Dogs by Design April 29, 2007 -
25 - 13Sharkland May 06, 2007 -
25 - 14Superpride May 13, 2007
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25 - 15Ferrets: The Pursuit of Excellence July 15, 2007
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25 - 16Mighty Moose July 19, 2007