Antarctica may seem pristine and almost devoid of life, but there's plenty of chemistry going on. Victoria Atkinson explains ...

The smaller the particles, the more worrying they are. Particulate matter measuring 10 micrometers or less in diameter — a fraction of the width of a human hair — is referred to as PM10, and it is ...

Lung cancer among never-smokers is rising worldwide. In one U.S. study of 12,000 lung cancer patients, the share of people who didn’t smoke rose from 8 to 15 percent over twenty years. A British ...