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 ...

Between 252 and 66 million years ago, the ocean underwent a revolution. That's when plankton with calcium carbonate skeletons colonized the open ocean. When they died, their remains fell like snow ...

What links sea urchins, limestone and climate change? The common thread is calcium carbonate, one of the most widespread minerals on Earth. UC Davis researchers have now measured the energy changes ...

Haley Mast is a freelance writer, fact-checker, and small organic farmer in the Columbia River Gorge. She enjoys gardening, reporting on environmental topics, and spending her time outside ...

Coral calcium is a supplement usually derived from coral sand deposits. These sand deposits, which were once part of a coral reef, are typically collected directly from coastal land or shallow waters ...