Manage episode 294903367 series 2795251
Robert Dziak is an oceanographer and the Acoustics Program Manager at the National Oceanic and Atmospheric Administration. His job is to listen to the deep sea, collecting clues about the health of our oceans. He does that with the help of so-called hydrophones pressure-resistant underwater microphones. In this episode, he will share his findings from the deepest known point in the oceans called Challenger Deep.