Certain desert sand dunes produce a deep, sustained sound, reaching up to 100 decibels, due to synchronized grain movement ...
Certain desert dunes produce a deep, steady sound. This phenomenon occurs when dry sand slides down a dune's steep slope. Millions of grains move together, creating a low-frequency hum. This requires ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results