# 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.

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

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

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

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

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

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

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

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

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