Nature | Dogs That Changed the World
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The Rise of the Dog | January 14, 2015 at 8pm

Examine dogs’ roles as guard, hunter, herder, hauler and spiritual protector, as well as current theories about the wolf’s evolutionary leap. Swedish geneticist Peter Savolainen’s analysis of DNA from breeds around the world points to a single origin in East Asia thousands of years ago. 

Dogs by Design | January 21, 2015 at 8pm

Investigate the explosion of the basic working dog types into the roughly 400 breeds known today; concerns about today’s competitive breeding and its effect on dogs’ health and well-being; and dogs’ potential role in medical care for human beings.