Today I Learned (TIL)

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TIL Poland's cities of Warsaw and Poznan utilize teams of live mollusks to detect impurities in drinking water at 50 discrete water treatment plants. When 4 or more mussels are detected to have cl... (boingboing.net)

submitted 1 day ago by bot@lemmit.online to c/todayilearned@lemmit.online

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The original was posted on /r/todayilearned by /u/Wordsworth_Little on 2024-12-20 16:12:12+00:00.

Original Title: TIL Poland's cities of Warsaw and Poznan utilize teams of live mollusks to detect impurities in drinking water at 50 discrete water treatment plants. When 4 or more mussels are detected to have closed (using magnetic sensors) the water supply shuts off.

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