(NBC News ) Meghan Shea, 18, from West Chester, Penn., holds up a water filter that uses seeds from Moringa oleifera tree that releases a protein that clumps together pollutants, making it easier for charcoal and fabric to capture.
High-School Senior Invents inexpensive, Life-Saving Water Filter
Delicious Reddit

MARCH 08, 2013
John Roach, NBC News

A high-school senior has built a simple water filter using a common tree seed that can effectively remove bacteria such as E. coli and other pollutants. Distributing the easy-to-follow instructions on how to build the filter to developing countries could potentially save lives, she said.
“For people who are currently drinking contaminated water and don’t have access to another (filtration) method, I think this is really a step in the right direction,” Meghan Shea, an 18-year-old student at Unionville High School from West Chester, Penn., told NBC News.
Read more: NBC News