How smart are dogs? | VIDEO
Meet an extraordinary Border collie and other dogs that are changing our view of canine intelligence.
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. This brilliant border collie understands 1,022 nouns!