Scientists have found a perfect bacteria filter right in the gardens and parks around MIT, contained in every tree and plant. Called xylem, this vegetal tissue uses tiny capillaries to filter ...

Methane is a potent greenhouse gas frequently produced in the sea and in fresh water. Lakes in particular release large quantities of this climate-killer. Fortunately, however, there are ...

Slices of wood can act as water filters that remove bacteria and microplastics with more than 99 per cent efficiency, potentially offering a cheap way to protect people from water-borne illnesses.

These whole-house filtration systems can remove bacteria, pesticides, heavy metals, and more for healthier, better-tasting drinking water.