Heavy metals such as arsenic, cadmium, and lead are present in most foods, whether conventional or organic, usually as the result of environmental contamination. Because heavy metals pose significant ...

Ordinarily, when drinking water is being tested for toxic heavy metals, samples of it have to be sent off to labs. And while there are portable testing systems, they do have some limitations. A new ...

With Halloween bounties now collected and as end-of-year holidays that brim with tempting treats approach, you may once again be wondering about the dangers of indulging. Among the most alarming ...

THE BUSINESS of making titanium dioxide to whiten paints, plastics, and paper has been relatively mature for more than a decade. That reality is spurring DuPont, the world's largest TiO 2 producer, to ...