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. From symmetry to Euclid's axioms, and from binary numbers to the prosecutor's fallacy, learn some maths without too much effort.

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

How does a smooth flow suddenly become turbulent? The Reynolds number helps understand the transition.

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.

Approximating a function with a divergent series.

Explore the connections between maths and music!

A quick introduction to an abstract concept that's useful in anything from genetics to cosmology.