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WINTER RACE SNOWMELT
- Winter is coming, and so is snow. But this US city has a trick to keep its downtown streets clearAs snowy winter approaches, learn how this city in Michigan has kept its downtown streets and sidewalks clear of snow using waste heat from...
Death Valley’s Sailing Stones Only Move When Ice Forms, Scientists Finally Captured It on CameraScientists have solved the mystery of moving rocks at Racetrack Playa in Death Valley. For years, stones weighing over 200 pounds left trai...
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