Commercial PACs, including WPC, WPH, WPX, and Pulsorb HF 2To-A (PHF), were obtained from Calgon Carbon (Pittsburgh, PA). Aqua Nuchar-wood-based (AN) was purchased from Ingevity (North Charleston, SC), ...

Faced with a car-painting job that looks well beyond the practical application of a touch-up marker, and clearly not in possession of a fancy spray rig, this tint-tossing savant has come up with ...

The problem with drying bogs is that they could potentially switch from absorbing carbon to releasing it into the atmosphere. Healthy peatlands, explains Thomas Roland of the University of Exeter ...