Seven cities dispute the right of having given birth to the immortal Homer, and seven men claim the honor of having discovered cadmium. A learned German has tried to show that Homer was a myth.

Snow in the Rockies now silently carries toxic metals from mines, revealing long-range pollution by winter storms.

A simple structural tweak has dramatically enhanced the colour clarity and stability of heavy metal-free blue quantum dots.

Cadmium, arsenic, lead and mercury are toxic substances that, although present in nature, have reached worrying levels in some foods due to environmental pollution and industrial practices.

Girl Scouts of the U.S. say their cookies are safe to eat despite a report that found heavy metals in some cookies. What do experts say?

The journal Nature published the study ... and effective blue QLEDs without the use of hazardous materials like cadmium. Our ...

In nature, uranium isotopes are typically found in radioactive equilibrium (i.e. the ... In sufficient amounts, uranium that is ingested or inhaled can be harmful because of its chemical toxicity.