Season 47 Episode 2 | 54m 11s
Dogs have long been dependable companions by our sides. But it wasn’t always that way, and a look at their closest living relative, the wolf, makes it clear why. Research into dog domestication and intelligence offers clues into the human-dog relationship. And analyzing dogs’ brain activity and genes may even help answer whether dogs are in it for the food—or if they really love us.
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Learn about the traits we most prize in dogs, and the bizarre jobs they were bred for.
Can we crack the code of animal communication?
Remembering John Pilley, the owner and trainer of Chaser the Border Collie.
There’s scant evidence to suggest seizure alert dogs work as expected.