Aired
November 08, 2017
NOVA
NOVA
Killer Floods #S44E25
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.
Episode 25 of Season 44 from NOVA — available to stream in HD on any device.
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