Scientists used a 3D-printing approach to pattern hydrophobic barriers inside hydrophilic filter paper. These barriers, designed in different geometries, guide liquids along precise paths and shape ...

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 ...

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 ...