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.

We all instinctively recognise symmetry when we see it, but describing it in words is harder than you might think.

Our messy desk is proof of the second law of thermodynamics...

Why the expected outcome of rolling a die is 3.5.

Meet the algebra at the heart of your computer!

Claude Shannon's ingenious insight linking physical circuits with Boolean algebra paved the way for modern computing.

Opinion polls, election forecasts, testing new medical drugs — none of these would be possible without the central limit theorem.