Mystery Of Death Valley's 'Sailing Stones' Has Finally Been Solved

August 27, 2014 7:31 PM

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In a secluded corner of Death Valley National Park, strange rocks known as "sailing stones" have been known to move across level surfaces, completely unaided by gravity. We know the mysterious shifts occur because the rocks -- some weighing as much as 700 pounds -- leave behind long trails in the soil. But no one has been able to figure out exactly what causes the stones to move.

Over the years, scientists and laypeople offered all sorts of theories to explain the sailing stones. Some said the stones were blown by strong winds or pulled by magnetic fields. Others blamed pranksters -- or even aliens. Not satisfied with those explanations, a group of researchers and volunteers...

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