Google page rank algorithm

And three cheers for the maths behind its success!

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.

Myths of maths: The four colour theorem

It's one of mathematics' most famous results: every "map" can be coloured using at most four colours. What it doesn't usually apply to, however, are real maps.
How can maths fight a pandemic?

How do mathematical models of COVID-19 work and should we believe them? We talk to an epidemiologist, who has been working flat out to inform the government, to find out more.
Squashing the curve?

A study into Covid-19 suggests that flattening the curve will take longer and harder measures than previously hoped.
Maths in a minute: Voronoi diagrams

We look at a crafty mathematical device which, among other things, has helped people understand what causes cholera.
Myths of maths: The Monty Hall problem

This puzzle is famous because the accepted answer is counter-intuitive. But is it always correct?