And the chemical also can have short-term effects when inhaled - irritation of the eyes, nose, skin, and throat. It can exacerbate asthma, can cause trouble breathing.

Its chemical formula is as long as this column. Minerals also must be crystalline. That means their constituent atoms are arranged in a precise and repeating pattern, such as the bricks in a wall.

Perchlorate, a hazardous chemical in rocket fuel, has been found at potentially dangerous levels in powdered infant formula, according to a study by a group of Centers for Disease Control ...

Next year will still be the longest Formula One season in history. It will be 23 grands prix for next, with Vietnam out and a replacement race not yet announced.