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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: 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.
Maths in a minute: Graphs and the degree sum formula 
Double counting proves a neat result in graph theory.
Maths in a minute: Dark matter 
Physicists believe that around 82% of all the matter in the Universe is invisible dark matter. But if it's invisible how do they know it's there?
Maths in a minute: Compound interest and e 
Compound interest is the curse of debt and the blessing of saving. Find out how it works and what it has to do with one of the most important numbers in mathematics.