Product Description
Airdate 11/29/09 Bob Ballard is one of the world's greatest deep-sea explorers, a great adventurer and scientist famous for finding the Titanic, the Bismarck, and John F. Kennedy's PT boat. But the discovery of which Ballard says he is most proud is that of tube worms -- underwater life unexpectedly found near hydrothermal vents. Lara Logan joins a Ballard expedition off the coast of Turkey, where they make a major, ancient discovery on the bottom of the Aegean Sea.
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