Scientists Solve The Mystery Of The "Sailing Stones" At Death Valley National Park
Death Valley National Park has long been the site of a mystery that has intrigued visitors and baffled scientists—the "sailing stones" of Racetrack Playa. The playa is a dry lake, and its surface is marked by a web of "trails" left in the soil by the unexplained movement of hundreds of rocks. Now a team of researchers has solved the puzzle...and the answer involves a very unlikely process in the hottest place in America.

