Researchers have invented filter paper that can inhibit the growth of specific bacteria that usually contaminate drinking water. These nanoparticle-coated cellulose-foam-based filter papers could be ...

Throughout the densely-populated country of Bangladesh, a lack of access to clean drinking water is responsible for a variety of debilitating and often-lethal infections. Soon, however, residents ...

Millions of people live without safe drinking water. Is this simple design a life-saver, or a silly first-world solution? For as long as well-meaning nonprofits have been trying to help bring clean ...

On a visit to Bangladesh in 2011–where an estimated 20 million people are exposed to arsenic in local drinking water–scientist Liangjie Dong worked with a team to teach residents how to use a ...

From trapping coffee grounds for a clean, robust brew to clearing polluted air of harmful allergens and particulates, paper filters have played a crucial role in preserving human health, protecting ...