Our readers have a lot of fun getting to grips with this one, working out how such an Earth would look – and what its ...

An object will topple over if its centre of gravity is ‘outside’ the base, or edge, on which it balances. a wide base a low centre of gravity Objects with a wide base, and a low centre of ...

“Our hospitals generate huge amounts of data, but it’s being only used by clinicians to treat individual patients, and not for the broader benefit of society,” says the centre’s ...

Gravity also acts between the Moon and the Earth and keeps the Earth in orbit around the Sun. The force that pulls things to the centre of Earth (and other planets) is called gravity. Gravity also ...