Phenomena: Death Valley's wandering rocks

Phenomena: Death Valley's wandering rocks

Image: Shutterstock For over a century, the mysterious ‘sailing stones’ of Death Valley baffled scientists and visitors alike – until a blend of ice, wind and serendipity finally revealed their secret In the vast, scorching expanse of Death Valley, the dried out lake bed of Racetrack Playa stretches out. Here, something strange happens. Rocks, of all different sizes leave trails, long winding paths across the flat surface.  These aren’t just sma…