Calcium carbonate is the most common form of calcium found in supplements and is often the most affordable. However, it requires stomach acid to be absorbed properly, so it may not be suitable for ...

Calcium supplements come in different forms, including calcium carbonate and calcium citrate. Calcium carbonate is the most common form and is relatively inexpensive. Calcium citrate is more ...

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

When research on an intriguing material called for hundreds of samples, secondary-school students, teachers and technicians stepped up.

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

This gradual, mineralisation converts the remains into a rock-like substance, like calcium carbonate or silica can replace ...

A common part of your kitchen waste could actually be very useful for some of your gardening habits. Crushed eggshells can be used to help fertilise your plants ...

Dr Karan Raj says that it's "very important" people know about what you should do if you take iron supplements ...

Ocean acidification threatens marine biodiversity. Coral reefs, which are already under stress from warming waters, face further challenges as the reduced carbonate ion concentration makes it harder ...

In this reaction we will investigate the reaction between ethanoic acid and calcium carbonate. All acids produce carbon dioxide gas when reacted with a metal carbonate.

Calcium and phosphorus are two minerals important for bone health. The minerals also help with a variety of other functions. While calcium plays a role in blood clotting as well as muscle, heart, and ...