This 90-mile-wide, blue, swirling underwater eddy is bright blue in color because of all the plankton within it! http://www.newscientist.com/blogs/shortsharpscience …
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This 90-mile-wide, blue, swirling underwater eddy is bright blue in color because of all the plankton within it! http://www.newscientist.com/blogs/shortsharpscience …