Nature

Ocean Giants: Deep Thinkers

Season 30 Episode 9 | 53m 10s

In some respects the brains of whales and dolphins are more complex than ours. Whales and dolphins work co-operatively, show empathy and are self-aware. Find out how clever, and how much like us, whales and dolphins might be.

Aired: 04/02/12 | Expires: 12/12/15

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