Dogs That Changed the World: Dogs By Design
As we transform the many breeds of dogs, we change our relationship with them and theirs with us.
Previews + Extras
Dogs That Changed the World (Part 2) - Preview
S25 E12 - 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
Hard-Wired?
S25 E12 - 3m 8s
Genetics and brain physiology can affect a dog's personality and behavior.
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