If you think helium is only good for fun things like balloons and making your voice sound funny, think again – we need it to run important things, too, like MRI machines and the Large Hadron ...

Cracker question because helium balloons are actually a pretty controversial topic. Some people argue that they are harmful to the environment because on returning to Earth, animals mistake them ...

Helium is a critical element in several high-tech industries. It cools the superconducting magnets in MRI machines, plays a key role in semiconductor manufacturing, and is used to pressurise ...