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Friday, Sep 20, 2013 - 12:00 AM    "Sperm Whale" Veterinary scientist Mark Evans and comparative anatomist Joy Reidenberg dissect a sperm whale's enormous organs to reveal the secrets of this 45-foot deep-sea giant that died stranded ashore on an English bay. Meanwhile biologist Simon Watt tracks whales in the Azores, and evolutionary biologist Richard Dawkins marvels at the gigantic teeth that have evolved in the lower jaw of the sperm whale. G
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