Tag Archives: Grand Canyon

Adventure and Science

What exactly is the distinction between play and work? The things some people do for recreation would seem like bloody hard work to others.I’ve spent a good part of my life climbing mountains and rafting rivers, and a good part … Continue reading

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How Old is the Grand Canyon?

Controversies over wonders of the world capture the public imagination from time to time. Now some Caltech scientists have dared suggest from a new technique that measures the depth of overburden on apatite crystals that there was an older canyon … Continue reading

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