We reflect on the late John Conway, the thoughts he shared with us over two interviews, and the experience of meeting him as a person and a mathematician.

Is it about energy? Is it about disorder? Or is it about information? It's all three!

What is herd immunity and what does it have to do with a number called R₀?

An urgent call has gone out to the scientific modelling community to help fight against the COVID-19 pandemic. Two Cambridge mathematicians are helping to lead the charge.

We look at a crafty mathematical device which, among other things, has helped people understand what causes cholera.

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.

How should people arrange themselves for maximal socialising at a safe distance?

We debunk some common mathematical misconceptions.

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

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.

The golden ratio has many amazing properties. But is it really a secret of nature and the epitome of beauty?

Find out how ants have inspired a class of cutting-edge algorithms designed to solve complex real-world problems.