# Maths in a minute

Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words. From symmetry to Euclid's axioms, and from binary numbers to the prosecutor's fallacy, learn some maths without too much effort.

Maths in a minute: "R nought" and herd immunityWhat is herd immunity and what does it have to do with a number called R0?
Maths in a minute: Voronoi diagrams

We look at a crafty mathematical device which, among other things, has helped people understand what causes cholera.

Maths in a minute: Social distancing

How should people arrange themselves for maximal socialising at a safe distance?

Maths in a minute: The information paradox

Explore a mystery that intrigued Stephen Hawking until the end of his life.

Maths in a minute: Hawking radiation

Nothing, not even light, can escape from a black hole. Or can it? Find out about one of Stephen Hawking's most radical results.

Maths in a minute: Escape velocity

Would you like to get away from Earth? Here's how fast you would need to go.

Maths in a minute: The d'Hondt method

How does the voting system for the European Parliament elections work?

Maths in a minute: The Sydney Opera House

The mathematical puzzle behind the iconic structure.

Maths in a minute: Flipping pancakes

In time for pancake day here's a problem about flipping pancakes. It turns out to be surprisingly hard.

Maths in a minute: Equal temperatures

At any point in time there are two points on the Earth's equator with the same temperature.

Maths in a minute: Higher dimensions

In normal life higher dimensions smack of science fiction, but in mathematics they are nothing out of the ordinary.

Maths in a minute: Transcendental numbers (and politics)

A quick introduction to transcendental numbers, a famous problem which relates to them, and how the person who solved it became a victim of political tensions.

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