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Grand Canyon Controversy

Debate Rages Over Origins Of Grand Canyon

Posted 04.12.2013 | Science

By: Becky Oskin, OurAmazingPlanet Staff Writer Published: 04/11/2013 02:01 PM EDT on LiveScience Since two researchers suggested last year that t...

Grand Canyon Controversy Spotlighted By New Study

Posted 12.18.2012 | Science

By: Becky Oskin, OurAmazingPlanet Staff Writer Published: 12/18/2012 03:20 PM EST on OurAmazingPlanet Could the origins of the Grand Canyon lie in ...