Massachusetts Institute of Technology (MIT) researchers developed a low-tech but very effective at filtering contaminated water only using a piece of sapwood! The team said Xylem tissue in the sapwood filtered almost 99% of harmful bacteria in water – producing drinkable, safe water. The discovery is particularly of interest to rural communities like us at Opaisama and around the third world.

“The results demonstrate the potential of plant xylem to address the need for pathogen-free drinking water in developing countries and resource-limited settings,” the team said in a paper published in a journal here.