Pure calcium carbonate comes in three crystalline forms — calcite, vaterite and aragonite. In nature, amino acids and proteins determine which type is made, but it’s unclear how. We aimed to ...

When looking at calcite under a microscope, a scientist would immediately recognize the crystalline form of calcium carbonate ...

Tiny, solid windows in the shells of heart cockles let in light for the photosynthetic algae inside them – and they could ...

Found all over the world, calcite is the most stable form of calcium carbonate and is the main mineral found in limestone. We find calcite in the ocean, in shells or hard parts of marine organisms ...

A team of marine biologists, ecologists and evolutionary specialists from the University of Chicago, Stanford University and ...