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New maps tell story of water quality through bugs, slugs and snails

The bugs and other critters Erika Iyengar’s students find in their water samples dictate their reactions. “If we go somewhere and find any stoneflies I go, ‘Woohoo,’” said Iyengar, a biology professor at Muhlenberg College. “Any mayflies, and I say, ‘Oh, this is pretty good.’” That’s because the…
Source: Morningcall