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.

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

Fermat's little theorem and fake primes.

The mathematical problem with turbulence.

Capturing symmetry with algebra.