Even low lead exposure harms kids

Young children are particularly vulnerable to the toxic effects of lead and even low exposure to it can give rise to emotional and behavioural problems, says a study.

Ocean `green rust` could scrape toxic metals

Research suggests for the first time that `green rust` was likely widespread in ancient oceans and may have played a vital role in the creation of our early atmosphere.

Dietary cadmium tied with breast cancer risk

Dietary cadmium, a toxic metal found in many farm fertilisers, may lead to an increased risk of breast cancer.