Nature Structural & Molecular Biology - Structure of the calcium-rich signature domain of human thrombospondin-2 Skip to main content Thank you for visiting nature.com.

Even the well-known can sometimes surprise. Calcium carbonate (CaCO 3), also known colloquially as lime or chalk, is a mineral that has already been thoroughly analysed by chemists.But chemistry books ...

Calcium-poor settings, such as some lakes or ponds, may have promoted homochiral polymers, while calcium-rich environments might have favoured mixed-chirality polymers. Beyond chemistry, this research ...