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12 Household Items Experts Recommend Replacing More Frequently Than Expected

Kitchen Sponges - Your Dirty Little Secret Here's something that might make you cringe during your next dishwashing session.
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Chemical sponge: Former Minnesota professor creates filter for 3M pollution

ST. PAUL -- A former professor has invented a filter that could help fix one of the state’s worst water-pollution problems. “We need to stop cleaning water the way we have for 50 years,” said ...