Ships generate sound primarily by propeller action, hull-mounted machinery, and hydrodynamic flow over the hull and the flexing of the hull. Over 90 percent of world trade is transported by ship, ...

Teeming with life, a healthy coral reef is one of the noisiest places in the ocean. Recorded using underwater microphones, this cacophony can sound to our ears remarkably like frying bacon. Listen for ...

The Mysterious Sound. However ... of ice breaking up and cracking are dominant source of exact natural sounds in the Southern ...

Brown noise has a low, natural sound, so many people find it easier ... Maybe you even use pink noise, like the gentle crash of ocean waves against the shore, to get to sleep.

Sharks have a reputation for being silent killers — the top ocean predators are stealthy hunters, but they also lack ...