1. Frost Flowers in the Arctic Ocean
Photo by Jeff S.Bowman
These frost flowers in the Arctic ocean form from imperfections on the surface of the ice in sub-zero temperatures, normally around the -20C mark. The spikes have been found to contain microorganisms making them temporary miniature ecosystems similar to coral reef.
2. Brinicle
Photo via huffingtonpost
First discovered in the 1960's a brinicle forms below sea ice when a flow of very cold saline water meets an area of ocean water forming the equivalent of an underwater icicle.
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