Slip a banana peel in your drink for purity
Brazilian researchers have found an unexpected helper in the struggle against contaminated drinking water: Bananas.
In a new study, minced banana peels were able to bind and accumulate trace amounts of lead and copper in river water, making the toxic metals 20 times easier to detect with crude equipment. The findings offer a new source of hope to people in developing countries, where water quality can be poor and the latest water-screening technologies hard to come by.
Full story at Discovery News.
Photo credit: Fotolia
