Great ideas re: origin of mysterious holes seen at 2,540 m (1.6 mi) depth during #Okeanos Voyage to the Ridge 2022! This wasn't 1st time these were seen & while scientists aren't sure how holes formed, they suspect their origin is likely biological: https://t.co/yGpbuz7phP pic.twitter.com/dOuIjPlHX9

— NOAA Ocean Exploration (@oceanexplorer) July 27, 2022