one-sided surface

In the first of a new series 'Imaging Maths', Plus takes an illustrated tour of an extraordinary geometric construction: the Klein bottle.

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.

Inverse problems save the day

Inverse problems are mathematical detective problems. They can help solve crimes, are used in medical imaging, and much more.
Maths in a minute: The d'Hondt method

How does the voting system for the European Parliament elections work?
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.
Helping men with early prostate cancer

A new online tool developed with the help of statisticians enables patients to make informed treatment choices.
No maths for Europe

How should the seats in the European Parliament be allocated?