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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.
Finding a way out of lockdown

Mathematical models can help the nation return to (some sort of) normality.
Maths in a minute: Social distancing

How should people arrange themselves for maximal socialising at a safe distance?
Maths in a minute: Differential equations

Change is the only constant in our lives — which is why differential equations are so useful.
Communicating the coronavirus crisis

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