observers

The Kochen-Specker theorem shows that quantum mechanics is always going to be strange. Its proof is surprisingly simple!

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.

Maths in a minute: The d'Hondt method

How does the voting system for the European Parliament elections work?
Maths: The next generation

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

Mathematicians have revived an old approach to solving the famous Riemann hypothesis.
Election special

A mathematical look at democracy.
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.