A Deep Dive Into The Minds Of Sea Mammals

Scientists believe that dolphins, whales and porpoises are among the earth’s most intelligent creatures. Understanding how their minds work is a different matter. Georgetown University cetacean biologist Janet Mann talks about what we’re still learning from these amazing ocean dwellers. She’s the editor of the new book “Deep Thinkers: Inside the Minds of Whales, Dolphins, and Porpoises” (University of Chicago Press).