Dogs That Changed the World (Part 2) - Preview

Name: Dogs That Changed the World (Part 2) - Preview
Uploaded: 2011-09-26T08:00:00Z
Duration: P30S
Description: Details the explosion of dog types into the roughly 400 breeds known today and outlines dogs' potential role in medical care for human beings. (Part 2 of 2) 10/9/2011

Preview: Season 25 Episode 12 | 30s

Details the explosion of dog types into the roughly 400 breeds known today and outlines dogs' potential role in medical care for human beings. (Part 2 of 2) 10/9/2011

Aired: 10/09/11

Rating: NR

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Major support for NATURE is provided by The Arnhold Family in memory of Henry and Clarisse Arnhold, The Fairweather Foundation, Kate W. Cassidy Foundation, Charles Rosenblum, Kathy Chiao and Ken …

Major support for NATURE is provided by The Arnhold Family in memory of Henry and Clarisse Arnhold, The Fairweather Foundation, Kate W. Cassidy Foundation, Charles Rosenblum, Kathy Chiao and Ken Hao, Sue and Edgar Wachenheim III, Filomen M. D’Agostino Foundation, Lillian Goldman Charitable Trust, Gregg Peters Monsees Foundation, Koo and Patricia Yuen, Sandra Atlas Bass, The Hite Foundation, Sarah and Sandra Lyu in memory of Seung and Dorothy Lyu, Bradley L. Goldberg Family Foundation, Arlene and Milton D. Berkman, by the Corporation for Public Broadcasting and by Viewers Like You.