Microphones on the seafloor recorded life under the Antarctic ice for two years – inadvertently catching seal trills and chirps that are above the range of human hearing. Could they be for navigation?
Articles on Scuba
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Scientific fieldwork that happens underground and underwater in spectacular but dangerous caves opens a window on a largely unknown world.
Africa has a number of excellent scuba diving sites, but these must be maintained sustainably to keep attracting different divers.


