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 information paradox 
Explore a mystery that intrigued Stephen Hawking until the end of his life.
Maths in a minute: Hawking radiation 
Nothing, not even light, can escape from a black hole. Or can it? Find out about one of Stephen Hawking's most radical results.
Maths in a minute: Escape velocity 
Would you like to get away from Earth? Here's how fast you would need to go.
Maths in a minute: The d'Hondt method 
How does the voting system for the European Parliament elections work?
Maths in a minute: Flipping pancakes 
In time for pancake day here's a problem about flipping pancakes. It turns out to be surprisingly hard.
Maths in a minute: Equal temperatures 
At any point in time there are two points on the Earth's equator with the same temperature.
Maths in a minute: Higher dimensions 
In normal life higher dimensions smack of science fiction, but in mathematics they are nothing out of the ordinary.
Maths in a minute: Transcendental numbers (and politics) 
A quick introduction to transcendental numbers, a famous problem which relates to them, and how the person who solved it became a victim of political tensions.
Maths in a minute: The axioms of probability theory 
Take a quick trip to the foundations of probability theory.