Watch Brine Icicle form at the Bottom of the Sea

(Video Link)

Scientists in Antarctica used a time-lapse camera to capture the formation of a brinicle -- an icicle made from brine. As the salty water sank, it froze, forming a spike of brine down to the seafloor. As it grew over several hours, the brinicle killed everything in its path, including numerous unlucky starfish.

Link -via Geekosystem