Story at a glance

• Researchers at MIT and Georgia Tech have produced a filter from used brewer’s yeast that can absorb lead and other heavy metals from water.

• The new filter works through biosorption, in which lead binds to the yeast.

• The filter that resulted from the research was able to treat lead-contaminated water to meet EPA drinking water standards while operating continuously for 12 days.

(NewsNation) — They’re still not sure how it works, but researchers at MIT and Georgia Tech........

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