Watch in horror as an icy finger of death entombs hapless sea stars. The "brinicle" is an icicle caused by water molecules freezing into ice, after which the remaining super-salty water is too dense to stay at the surface and has a lower freezing temperature than the surrounding water. As it sinks, the water around it freezes quickly, causing the brinicle to grow. It freezes so quickly that the animals it touches freeze before they can run. Only Sir David Fredrickson Attenborough can narrate it more eloquently than I.
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