Calcium carbonate is in eggshells, seashells, a rock called marble, and in antacid tablets like Tums and Rolaids. In this activity, you can use a common liquid to detect calcium carbonate! Cover your ...

Where would carbon-based life be without carbon? There are 118 known chemical elements, but carbon is the fourth most ...

A University of Nebraska-Lincoln research team has identified new microscopic players in the global carbon cycle, a discovery ...

This is different from the chemical that makes up seashells, which is calcium carbonate. Luckily, sea shells and teeth don’t dissolve in water. There is a special soft flexible plastic material that ...

These shells are made from calcium carbonate and conchiolin - a tough protein ... facts with stunning images of specimens from the Museum's eight-million-strong shell collection. These shells were ...