Dartmouth Rock Snot Study (2 of 2) (VIDEO)

Dartmouth College

Caption

The recent appearance of the freshwater algae known as "rock snot" on river bottoms worldwide is caused by a native species responding to changing environmental conditions rather than by accidental introductions by fishermen or the emergence of a new genetic strain as widely believed, a Dartmouth College-led study suggests.

Credit

Credit Brad Taylor

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Credit Brad Taylor

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