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NOVA Inside Animal Minds: Who's the Smartest?

  • Aired: 04/23/2014
  • 00:30
  • Expires: 03/31/2015
  • Rating: NR
What makes an animal smart? Many scientists believe the secret lies in relationships. Throughout the animal kingdom, some of the cleverest creatures — including humans — seem to be those who live in complex social groups, like dolphins, elephants and apes.
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NOVA Inside Animal Minds: Who's the Smartest?
NOVA Inside Animal Minds: Who's the Smartest?
Investigate the social lives of some of the smartest animals on the planet.
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