It isn't a picture of mold, but a stock photo of "cave pearls, a kind of calcium carbonate deposit that forms in limestone ...

Researchers have identified two starfish species in ancient ritual offerings unearthed 33 years ago in Tula, Mexico.

Found all over the world, calcite is the most stable form of calcium carbonate and is the main mineral found in limestone.

Calcium deposits can be caused by things like infection, aging, or medical treatments like surgery or cancer therapy. They occur when calcium builds up in soft tissues, where it isn't supposed to be.

Concrete is Earth’s second-most-used material behind water, creating about four times more CO2 emissions than planes. Some companies are trying to revolutionize the industry.

What is leucovorin used for? Leucovorin is commonly used to reduce toxicity, or potential side effects, after receiving a medicine called methotrexate at high doses. Certain forms of leucovorin ...

Established in 2008, the Malaysian subsidiary focuses on trading calcium carbonate and producing superfine limestone powder. The acquisition is expected to enhance forward integration in 20 ...

One successful strategy has been to achieve rigidity in the core by eliminating the plasticizer and increasing the ratio of calcium carbonate (limestone). Blown PVC cores, often using a foaming ...