two-sidedsurface

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.
Pure maths in crisis?

Proof is the essence of mathematics. But is the standard of proof in research maths really as high as mathematicians would like to believe?
A cute problem goes big

Mathematicians have revived an old approach to solving the famous Riemann hypothesis.
Mysterious 6174

Start with your favourite four-digit number, follow these simple steps, and you'll never guess what happens next!
The Abel Prize 2019

Karen Keskulla Uhlenbeck has been awarded the Abel Prize 2019!