Harmful dioxins in Agent Orange, used to strip forests of their leaves, still linger in soil. Restoration work has been slow, and upheaval at USAID may slow it more.

On this episode of the Big Brains podcast, an expert breaks down the secret conversations we have through our hand gestures.

Dogs exposed to cigarette smoke may have six times the risk of developing bladder cancer, a new study shows.

Quaternary ammonium compounds, also known as QACs or quats, are commonly used antimicrobials also found in many household products. Soap and water may be a safer bet when cleaning surfaces.

Using a mathematical model, researchers found that good hygiene can reduce the harmful effects of antibiotic use.

A nearly invisible e-tattoo that attaches to the palm and connects to a smart watch can tell when you're stressed out.