Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...
As long ago as the 1940s, the mysterious moving rocks of Death Valley National Park's Racetrack Playa have stumped scientists. How stones as heavy as 35 pounds (16kg) can bulldoze their way across a ...
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