Sand dunes usually feel like the quietest places on Earth. Just wind, heat, and endless grains slipping underfoot. Yet in a few deserts around the world, dunes suddenly do something uncanny. They hum, ...

In some places, sand dunes protect shorelines from the onslaught of ocean waves. In other places, the dunes themselves are on the move, and threaten human structures. Host Flora Lichtman talks with ...

At a small number of beaches around the world, dry sand actually makes noise underfoot, caused by friction between silica-rich grains. These “singing sand” beaches exist on every continent except ...

MICHIGAN CITY, IN -- The “living” sand dune along Lake Michigan has buried beach parking lot and infrastructure within Indiana Dunes National Park. The sand dune is the largest moving dune on the ...