"To our knowledge, this is the first paper to measure metals in tampons. Concerningly, we found concentrations of all metals we tested for..."

Some processes that support fusion energy fuel climate change and may harm the environment.

The new design approach could be used to produce metals with exceptional combinations of strength and ductility, for aerospace and other applications.

Dark chocolate can sometimes contain traces of cadmium and lead, but a study finds that consuming an ounce per day poses no risk for adults.

New research shows how old lead mines are polluting the environment and surrounding wildlife and farmland with legacy contaminants.

The effects of AI’s growth on global security could be difficult to predict.

Hard rock minerals like gold, silver, copper and lithium on public lands belong to the American public, but under a 150-year-old law, the US gives them away for free.

Cobalt is a critical component in the production of batteries, smartphones, jet engines and electric vehicles. Yet miners who risk their lives digging it up receive almost none of the profits.

Elevated levels of heavy metals in middle-aged women may lead to earlier arrival of menopause and its negative health effects.

Claims about the discovery of a coveted room-temperature superconductor peppered the news in 2023. We pulled three stories from our archives on what superconductivity is and why scientists study it.