YAHOO.COM - With Halloween approaching, it's natural to wonder just a little bit more than usual about things that go "bump" in the night. But what about things that go "bloop" in the deep sea?
Poltergeists, witches and ghosts aren't the only source for spooky seasonal mystery. In fact, scientists monitoring the oceans have uncovered a handful of sounds that can't be explained — at least not with any certainty.
With names like "The Bloop," "Train" and "Julia," the sounds have been captured by hydrophones, or underwater microphones, monitored by the National Oceanic and Atmospheric Administration (NOAA). Here are the six most mysterious noises ever heard in the sea, and what might have made them. click here to read more and to listen to the sounds