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.

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.
A cute problem goes big

Mathematicians have revived an old approach to solving the famous Riemann hypothesis.
Inverse problems save the day

Inverse problems are mathematical detective problems. They can help solve crimes, are used in medical imaging, and much more.
Our changing picture of gravity

To celebrate the recent centenary of the first major test of Einstein's general theory of relativity, we look back over how our picture of gravity has changed.
Maths: The next generation

What do young researchers in maths and computer work on? We find out at the Heidelberg Laureate Forum 2019.