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http://secretnews-compact.com
Alexis O’Toole (CC BY-SA 2.0)
Via ScienceDaily:
Tampons may not be an obvious scientific tool, but engineers from the University of Sheffield have been using them to identify where waste water from baths, washing machines, sinks and showers is polluting our rivers and streams.
The natural, untreated cotton in tampons readily absorbs chemicals…