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.

At the heart of modern physics lurks a terrible puzzle: the two main theories that describe the world we live in just won't fit together.

The powers of x can work magic.

Continued fractions reveal the good, the bad and the beautiful side of numbers.

Eleven makes multiplication easy.

A quick look at an ancient problem.

Why there are only three regular polygons you can tile a wall with.