Beneath Antarctic sea ice forms the brinicle, or “Finger of Death.” Super-cooled brine sinks as a dense plume, freezing seawater into a hollow downward-growing icicle at up to 30 cm per hour. Reaching the ocean floor, it unleashes a freezing cascade that instantly traps and kills starfish, sea urchins, and other bottom-dwellers. #BRINICLE | The Ancient Unexplained

BBC Nature Brinicle ice finger of death filmed in Antarctic

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Finger of Death! #BRINICLE #ice #frozen #oceanlife #MarineLife | Topfix

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