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Journey back to the beginning of everything: the universe, Earth, and life itself.
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An American combat hospital mobilized in Iraq faces a daily drama of wartime treatment.

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Join an expedition to the glacier-capped summit of Kilimanjaro, Africa's tallest mountain.
NOVA  ·  Episode 3107

Hunt for the Supertwister


Tornado-chasing scientists with an eye to better forecasting risk their lives to plumb the secrets of nature's most terrifying killer.

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