This month we feature chemicals that have important applications in industry and the lab.—Ed. Calcium carbonate (CaCO 3) is a natural product found in many settings, including the minerals aragonite 1 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Calcium is one of the most abundant and important minerals in the body, playing a crucial role in how we ...

I needed a few bags of sand for a small home project. When I checked at the hardware store, though, I was surprised to learn that there were a number of choices, sand wasn’t just sand. I could buy ...

Calcium is one of the most abundant and important minerals in the body, playing a crucial role in how we function. Not getting enough can put you at risk for weakened bones that may progress to ...