The problem with combining R ratiosWe explore why you need to be extremely careful when combining the reproduction ratios of a disease in different settings, such as hospitals and the community.
How to resolve the Premier LeagueAs football leagues around the world have been suspended due to COVID-19, how should the final rankings of teams be decided? Here is a suggestion.
A call to action on COVID-19An 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.
Maths in a minute: Voronoi diagramsWe look at a crafty mathematical device which, among other things, has helped people understand what causes cholera.
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.
Myths of maths: The four colour theoremIt'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.