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Watch NOVA Season 47 Episode 2 Online

  • 6.8/10
  • COUNTRIES: United States of America
  • Subtitles: English

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.