Meet Nithya Tammana: The 11-year-old New Jersey inventor who built a sub-$38 moss filter that can remove up to 95% of lead from drinking water
Photo credit: actionfornature.org When Nithya Tammana learned that lead could enter drinking water through old pipes and plumbing fixtures, she did not treat the problem as someone else’s responsibility. The New Jersey student began researching affordable ways to make contaminated water safer, eventually focusing on a humble material often found growing on rocks, trees and…
