Solving The Riddle Of The Grand Canyon's Formation | WAMU 88.5 - American University Radio

Solving The Riddle Of The Grand Canyon's Formation

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The Grand Canyon may seem to be a simple case of "river carves rock," but to geologists, its formation is still puzzling. Ira Flatow and guests discuss the canyon's mysteries, and the scientific sleuthing being done to solve them--millions of years after the Colorado River carried off the evidence.
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