Dolphins: Intelligence under the sea

The Diane Rehm Show  NPR

Environmental Outlook: Intelligence Under the Sea

http://thedianerehmshow.org/audio-player?nid=12752

August 3, 2010

Whales and dolphins are the animals closest to humans in their mental, social and behavioral complexity. As part of our ongoing Environmental Outlook Series, we take a look at what recent research tells us about intelligence under the sea.