Mastodawn

Mystery of #DeepSea ‘#Biotwang’ Sound Has Finally Been Solved https://www.scientificamerican.com/article/mystery-of-deep-ocean-biotwang-sound-has-finally-been-solved/

"Autonomous underwater gliders first recorded the odd noise echoing through the miles-deep #MarianaTrench in 2014... Confirming which marine animal makes a peculiar noise isn’t easy... #NOAA researchers saw a mysterious species called the #BrydesWhale 10 times... On 9 of the occasions that #whales turned up, the researchers also heard the biotwang."

Mystery of Deep-Ocean ‘Biotwang’ Sound Has Finally Been Solved

A strange sound dubbed “biotwang” was first heard bouncing around the Mariana Trench 10 years ago, and scientists have finally figured out where it comes from

Scientific American