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BBC Nature: 'Brinicle' ice finger of death

By Ben on Mon Nov 28 2011
Gear  |  Video
With timelapse cameras, specialists recorded salt water being excluded from the sea ice and sinking. The temperature of this sinking brine, which was well below 0C, caused the water to freeze in an icy sheath around it. Where the so-called "brinicle" met the sea bed, a web of ice formed that froze everything it touched, including sea urchins and starfis. [ link ]