Ocean Giants: Deep Thinkers
Season 30 Episode 8 | 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.
Expired: 12/12/15Video has closed captioning.
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