polynomial time

The simple act of packing your luggage can open a complex can of worms.

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.

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?
No maths for Europe

How should the seats in the European Parliament be allocated?
Phenomenal physics

What is a particle phenomenologist?
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!