Unexplained noises that confuse scientists

The ocean, which covers more than 70% of the Earth’s surface, remains one of the least explored environments. For years, people have looked at the surface of the sea, oblivious to the strange and inexplicable things happening far below. But as technology advanced, so did our ability to listen to the hidden acoustic environment of the deep ocean. And what we heard left scientists baffled. One of the most famous of these mysterious ocean sounds is the ‘Bloop’, a sound so loud and so strange that when it was first recorded in 1997 by the National Oceanic and Atmospheric Administration (NOAA),…