Articles

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Maths in a minute: QALYs

What's a quality adjusted life year, or QALY?
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Pandemics and psychology

Can you capture people's behaviour in epidemiological models?
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Maths in a Minute: Turbulence and the Reynolds number

How does a smooth flow suddenly become turbulent? The Reynolds number helps understand the transition.
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Life on the beach with Markov chains

Markov chains are exceptionally useful tools for calculating probabilities, and they might increase your chance of getting to the beach!
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Maths in a Minute: Fluid dynamics and the Euler equations

How does water, or indeed any fluid, move? The Euler equations let us look beneath the surface and mark the beginning of modern fluid dynamics.
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Solving crimes with maths: Bloodstain pattern analysis

Some basic trigonometry can deliver vital evidence from the scene of a crime.
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Solving crimes with maths: Busting criminal networks

A bit of graph theory can help to identify key players in a criminal network.
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Reckoning with R: What will happen over autumn and winter?

Should we again reduce our social contacts? Is vaccinating 12-to-15-year-olds effective? What about boosters? The ready reckoner helps provide some answers.
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Five tools to explain something technical

There are many ways of explaining technical ideas, and using a range of strategies can give the most intuitive understanding.
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Maths in a minute: Asymptotic expansions

Approximating a function with a divergent series.
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The power of small things: Resurgent asymptotics

If you ignore exponentially small terms they can come back to bite you.
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Stokes's phenomenon: An asymptotic adventure

How a question about rainbows led to an entire field of mathematics.