frequency analysis

Language analysis shows how the nation's tastes have changed.

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.

Genetics: Nature's digital code

Is nature using digital tools to deal with genetic information?
Error correcting codes

Learn about magical mathematical methods for fixing errors on the fly.
Arithmetic billiards

Need to find the least common multiple or greatest common divisor of two numbers? A billiard table of the right proportions holds the answers!
A very useful pandemic

Cambridge researchers, the BBC, and thousands of citizen scientists have created a revolutionary infectious disease data set.
Maths in a minute: Graphs and the degree sum formula

Double counting proves a neat result in graph theory.