Carl Safina on "Voyage of the Turtle"

August 17, 2008

Carl Safina is an ecologist and marine conservationist. He's the author of "Voyage of the Turtle: In Pursuit of the World's Last Dinosaur." Safina tells Jim Fleming about the leatherback turtle, which has been around for a hundred million years. They have a huge range and can withstand very cold water.

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