Description

Calcium is vital for building bones and teeth, but it is also required to help transmit messages inside cells; its unusual solvation properties make it ideally suited to this role.

Health education

More from this issue

A short history of the discovery of hydrogen is given, together with its properties, uses and applications, and its importance in transport, from...

Journal Article

The basic mathematics of relativity theory in a simpler way than in most textbooks, and which can be taught at age 11-18.

Journal Article
Journal Article