Be one of the first 200 people to sign up with this link and get 20% off your subscription with Brilliant.org! https://brilliant.org/realscience/ Watch this video ad-free on Nebula: https://nebula.tv/videos/realscience-the-deep-ocean-noises-we-still-cant-identify Patreon: https://www.patreon.com/realscience Instagram: https://www.instagram.com/stephaniesammann Images Courtesy of Getty Images Credits: Narrator: Stephanie Sammann Writer: Lorraine Boissoneault Editor: Dylan Hennessy (https://www.behance.net/dylanhennessy1) Illustrator: Jacek Ambrożewski Illustrator/Animator: Kirtan Patel (https://kpatart.com/illustrations) Animator: Mike Ridolfi (https://www.moboxgraphics.com/) Sound: Graham Haerther (https://haerther.net/) Thumbnail: Simon Buckmaster (https://twitter.com/forgottentowel) Producer: Brian McManus (null) REFERENCES [1] https://www.pmel.noaa.gov/acoustics/sosus_gen.html [2] https://oceanservice.noaa.gov/facts/bloop.html [3] https://dosits.org/science/sounds-in-the-sea/how-does-sound-in-air-differ-from-sound-in-water/ [4] https://rwu.pressbooks.pub/webboceanography/chapter/6-4-sound/ [5] https://www.ctbto.org/news-and-events/news/minute-earth-video-explains-sofar-channel-ctbto-uses-listen-underwater-nuclear [6] https://www.frontiersin.org/articles/10.3389/fevo.2022.810156/full [7] https://oceanservice.noaa.gov/facts/sofar.html [8] https://www.scientificamerican.com/podcast/episode/inside-the-nail-biting-quest-to-find-the-loneliest-whale/https://www.whoi.edu/oceanus/feature/a-lone-voice-crying-in-the-watery-wilderness/ [9] https://sanctuaries.noaa.gov/news/dec21/oh-snap.html [10] https://www.int-res.com/articles/meps2008/362/m362p037.pdf [11] https://www.pmel.noaa.gov/acoustics/sounds/bloop.html [12] https://www.pmel.noaa.gov/acoustics/sounds/julia.html [13] https://www.pmel.noaa.gov/acoustics/sounds/upsweep.html [14] https://www.nature.com/articles/s41467-019-13186-2?fbclid=IwAR1anl6ftMqVO6c_AgQQzaXaPYpp-Osg7gm4LQWzPhvvRzkv-MrGQRaB05k [15] https://www.academia.edu/14128372/Settlement_stage_coral_reef_fish_prefer_the_higher_frequency_invertebrate_generated_audible_component_of_reef_noise [16] https://www.nature.com/articles/s41467-022-30332-5 [17] https://www.frontiersin.org/articles/10.3389/fmars.2019.00606/full [18] https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2021EF002099