I wanted to write a simple article to show children to get them interested in chemistry. There is no gigantic cosmic idea here, just Wikipedia pictures and the common theme of pretty chemicals. This ...

Calcium is nature's most renowned structural material. Indeed, calcium is a necessary component of all living things and is also abundant in many non-living things, particularly those that help ...

Calcium is found throughout the solar system, the Earth's crust and oceans, and is an essential constituent of cells, shells and bones — yet it is curiously scarce in the upper atmosphere. John Plane ...