Euler's solution to the Basel problem

This problem about an infinite sum has a surprising answer.

Infinite series occupy a central and important place in mathematics. C. J. Sangwin shows us how eighteenth-century mathematician Leonhard Euler solved one of the foremost infinite series problems of his day.

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.

No maths for Europe

How should the seats in the European Parliament be allocated?
A geometry for strings

If, as string theory suggests, the world is made of strings, then what does that mean for a geometry of points? Find out more in this video.
Looking for love?

Find out how OKCupid's algorithm works.
The PEMDAS Paradox

It looks trivial but it keeps going viral. What answer do you get when
you calculate 6÷ 2(1+2)? David Linkletter explains the source of the confusion.
Maths in a minute: The d'Hondt method

How does the voting system for the European Parliament elections work?

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