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NOVA
Killer Floods
Season 44
Episode 18
All over the world, scientists are discovering traces of ancient floods on a scale that dwarfs even the most severe flood disasters of recent times. What triggered these cataclysmic floods, and could they strike again? In the Channeled Scablands of Washington State, the level prairie gives way to bizarre, gargantuan rock formations.
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Discover the dramatic forces creating spectacular weather on neighboring planets and moons.
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Explore big discoveries that have revolutionized our understanding of the universe.
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Follow the quest to recover DNA millions of years old for the very first time.
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New evidence reveals the real story of Easter Island and the builders of its stone heads.
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Giant fossils uncovered in the Sahara Desert reveal new secrets of how whales evolved.
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A family turns to science in their struggle to rediscover a history obscured by slavery.
