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.

How to write a sum that's infinitely long.

Euclid's fourth axiom says that all right angles are equal. But isn't that obvious?

Five basic facts from the father of geometry.

The Indian way of adding fractions makes things easier (with musical explanation).

How to lose a spacecraft in the most embarrassing way possible.

How do you write numbers as string of 0s and 1s?