Using maths to simulate the behaviour of criminals.
How the maths that is used to predict earthquakes can help fight gang crime.
How a special kind of curve can keep your data safe.
Fermat's little theorem and fake primes.
Marcus du Sautoy talks about football, cryptography, and numbers.
How calculating the height of a frustum gave a glimpse of the mathematical frontier.
Should we let go of the "one person, one vote" principle?