# Maths in a minute

If you've ever marvelled at a rainbow, you have witnessed dispersion in action!

Whether you want to understand viruses, win at lotto or solve a rubik's cube – you'll need some help from combinatorics.

A hundred pounds is a lot more to someone who's poor than to a millionaire. But how do you measure such differences? Utility theory has the answer.

Curious about calculus? This accessible introduction is for you!

Find out about the beautifully intuitive concept that lies at the heart of calculus.

When you let go of the notions of distance, area, and angles, all you are left with is holes.

Bridging the gap between the microscopic snd the macroscopic.

It's so ubiquitous it's normal!

How long do you have to wait for more than one thing to happen?

They are incredibly useful, but what exactly are they?

How long do you have to wait for something to happen?

What's the chance that something happens?

• Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.