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.

David Spiegelhalter, expert in risk and evidence communication, tells us how well the UK government has done so far communicating about Covid-19.

This year's Abel Prize has been awarded to Hillel Furstenberg and Gregory Margulis.

A study into Covid-19 suggests that flattening the curve will take longer and harder measures than previously hoped.