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Ewwww! Rock snot

Credit: Carole-Anne Gillis.
A type of freshwater algae, known as "rock snot," that infiltrates river bottoms and clumps on rocks is not an invasive species introduced into waterways…Read More »





by humans, a new study finds. The organism has actually been native to much of the world for thousands of years.

Over the past decade, rock snot has been found in rivers in the United States, Canada, Europe and New Zealand. New research suggests this type of algae — called Didymosphenia geminate, or didymo — is a native species, but the environmental conditions that trigger its visible growth in rivers were previously rare or absent. Now, global warming and other human-caused climate changes could be making rock snot more common in waterways, the scientists said.

[Full Story: 'Rock Snot' Gets Slimy Boost from Global Warming]   Less «
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