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A new filter material may be better at straining contaminants from water than the activated carbon in your faucet filter—and may be cheaper and easier to clean, to boot. If it can be developed into a successful technology, the new material might help remove from the water supply small organic molecules such as Bisphenol A (BPA), a byproduct of some plastic manufacturing that has been linked to environmental damage and health risks.

“This was pretty exciting,” says Susan Richardson, an environmental chemist at the  University of South Carolina in Columbia, who was not involved in the study. “It looks very promising. I can’t see a downside yet.”

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