CNN At This Hour With Berman and Michaela April 7, 2014 15:22:00
Other words the sounds don't occur in nature. so there's a good chance, our experts are saying that there is something down there. >> tom, these signals detected by an australian naval vessel, but yesterday there was a chinese vessel that people didn't recognize so much. is it possible they could have been detecting the same thing? >> no. unless something really, really strange is happen, this can't be the same thing, not in that period of time, let's take a look at these act tus -- there's amount of searching, a lot of vessels moving around, there are a lot of sounds that don't occur in natur...