In Lake Superior, a problem algae lies dormant - but why?
Knife River, Minn. — On the gently curving beach at Knife River, just north of Duluth, a cluster of wave-lapped boulders is a good place to find Didymosphenia geminata, a sometimes-slippery single-celled algae. Jo Thompson, a researcher at the Environmental Protection Agency lab in Duluth, is collecting samples of the algae that is causing big problems in some parts of the world -- notably New Zealand and New England.
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