Hard-Wired?
Clip: Season 25 Episode 12 | 3m 8s
Genetics and brain physiology can affect a dog's personality and behavior.
Genetics and brain physiology can affect a dog's personality and behavior.
Major support for NATURE is provided by The Arnhold Family in memory of Henry and Clarisse Arnhold, The Fairweather Foundation, Sue and Edgar Wachenheim III, Kate W. Cassidy Foundation, Kathy...
Hard-Wired?
Clip: Season 25 Episode 12 | 3m 8s
Genetics and brain physiology can affect a dog's personality and behavior.
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Dogs That Changed the World (Part 2) - Preview
Airs Wednesday, October 9, 2011 at 8:00 p.m. ET/PT. Check your local listings. (30s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorship
Major support for NATURE is provided by The Arnhold Family in memory of Henry and Clarisse Arnhold, The Fairweather Foundation, Sue and Edgar Wachenheim III, Kate W. Cassidy Foundation, Kathy...