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: Triangular numbers

Triangular numbers: find out what they are and why they are beautiful!

Physics in a minute: The double slit experiment

One of the most famous experiments in physics demonstrates the strange nature of the quantum world.

Maths in a minute: N-bonacci sequences

You may have heard about the Fibonacci sequence, but have you heard of N-bonacci sequences?

Maths in a minute: Differential equations

Change is the only constant in our lives — which is why differential equations are so useful.

Maths in a minute: the Fibonacci sequence

The origin story of this famous sequences stars some cute, fluffy bunnies.

Maths in a minute: "R nought" and herd immunityWhat is herd immunity and what does it have to do with a number called *R*_{0}?

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.