This Scientist Made The Deepest Dive Ever at The Mariana Trench But didn’t Expect to Find This August 5, 2021 fredom Sci Tech Science and Technology Videos This scientists made the deepest dive ever at the Marina Trench but didn’t expect to find this. Today, we take a look at what these scientists discovered at the bottom of the Mariana Trench. Credit Unexplained Mysteries Please support our Sponsors here :