Episode

Discovery

BBC World Service

Science & Medicine

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Science & Medicine 45

Explorations in the world of science.

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Discovery: Beyond The Abyss 1 of 2 20 Feb 12

February 20th, 2012

Episode 138 of 564 episodes

Rebecca Morelle meets the explorers building submersibles to return to the deepest point of the ocean, the Mariana Trench.

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