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........