BILOXI, Miss. (WLOX) - Sea oats, sand dunes and fences are in place all over the 26 miles of man made beach in Harrison County. The goal is to cut down on sand blowing across Highway 90 during storms.

"And it's a sound that's very similar to kind of the tones you'd get on a cello." Melany Hunt, a mechanical engineer at Caltech. The dunes sing when sand avalanches down the side, "which would then be ...

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 ...