A new way to produce perovskite solar cells using inorganic ingredients limits their defects and lets them last for months.

A new tool can spot contamination from coal fly ash. "Our hope is that this new tracer...will help us provide greater protection to communities at risk."

Children exposed to lead may have a harder time getting a good night's sleep, a new study suggests.

"Young children are extremely vulnerable to lead poisoning because of their normal crawling, hand-to-mouth, exploratory behavior."

Bangladesh is one of the world's top growers of turmeric, but new research ties lead in turmeric produced in the country to serious health issues.

Manganese isn't particularly toxic, but it can cause significant—potentially dangerous—changes in the water in lead pipes.

There's a new way to clean up the heavy metals in contaminated soil.