Plus.Maths.org
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.
Maths in a minute: The central limit theorem 
Opinion polls, election forecasts, testing new medical drugs — none of these would be possible without the central limit theorem.
Maths in a minute: Bayes' theorem 
It would be foolish to ignore evidence. Luckily Bayes' theorem shows us how to take it in into account.
Physics in a minute: What's the problem with quantum gravity? 
At the heart of modern physics lurks a terrible puzzle: the two main theories that describe the world we live in just won't fit together.
Maths in a minute: Continued fractions 
Continued fractions reveal the good, the bad and the beautiful side of numbers.
Maths in a minute: Tiling troubles 
Why there are only three regular polygons you can tile a wall with.
