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Pondering the Age of the Grand Canyon

December 11, 2012 3:06 p.m.

Last month geologists published a paper in the journal Science that concluded the Grand Canyon -- or at least part of it -- is much older than most researchers think. The study reopened a contentious debate among scientists. And it got reporter Laurel Morales thinking about the magnitude of the Grand Canyon’s history.

Related Story: Pondering The Age Of The Grand Canyon