How Smart Are Dogs?

  • Posted 02.09.11
  • NOVA scienceNOW

New discoveries are revealing that "man's best friend" is smarter than we ever thought, with a brain that resembles our own in ways we never imagined. Travel to Wolf Park, where scientists are tracing the evolutionary path that turned wild animals into our cuddly companions, and meet a superdog with a vocabulary of over 1,000 words.

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Running Time: 14:52

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