## 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.

When things go round and round, a cyclic group may be just what you need!

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?