Scientists used a 3D-printing approach to pattern hydrophobic barriers inside hydrophilic filter paper. These barriers, ...

The humble coffee filter doesn’t make headlines, but it’s an unsung hero of your morning routine. And there are some real benefits to paper filters, namely that they can deliver a finer, lighter ...

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 ...

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 ...

“Place a few tablespoons of baking soda in a coffee filter, secure it with a rubber band, and tuck it into shoes, gym bags, ...