GALLUP: Trump Job Approval Rating Now at 34%, New Low
Sunday, September 4, 2016
Sunday Science Blog
Seven miles down into the Mariana Trench, you'd think it would be quiet as a deep sea graveyard, but it isn't. Scientists dropped a hydrophone into the abyss to record sounds and what they heard surprised them. They are now working on a hydrophone that will record both sounds and images in the lowest point on Planet Earth, the Challenger Deep.