Science & Technology / ArcaMax

Mystery of how rocks move across Death Valley lake bed solved

Mystery of how rocks move across Death Valley lake bed solved

DEATH VALLEY NATIONAL PARK, Calif. -- The cracking sounds were ferocious. An ankle-deep, frozen lake in Death Valley National Park was breaking apart under sunny skies. As cousins Richard Norris and James Norris watched, a light wind began moving huge floes of ice across the surface of the water and into rocks weighing up to 200 pounds. Propelled by the ice masses, the...

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