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.

Going for gold in London

To join in the excitement of the world athletics championships, we bring you some articles, a puzzle, and a little something on infectious diseases.
Remembering Maryam Mirzakhani

The brilliant mathematician Maryam Mirzakhani has died, aged just 40.
Outer space: Archimedean ice cream cones

What shape of cone maximises the ice cream to wafer ratio?
Stuff Happens: Ordering history in computer science

Our digital lives rely on distributed computer systems, such as the internet, but understanding the order of events in such systems is not always straightforward. Leslie Lamport explains how special relativity helped him order events in computer science, enabling the development of distributed computing.
The formula that plots (almost) everything

Hold onto your logic hats! In this article we're going to explore one of the most amazing formulas in maths!