coin problems

Not necessarily, when it comes to money.

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.

Mysterious 6174

Start with your favourite four-digit number, follow these simple steps, and you'll never guess what happens next!
Charmed beauty confirms particle theory

A new particle that has recently been discovered at CERN confirms predictions made by theoretical physicists over six years ago.
Looking for love?

Find out how OKCupid's algorithm works.
Maths in a minute: The d'Hondt method

How does the voting system for the European Parliament elections work?
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.