negative refractive index

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.

Helping men with early prostate cancer

A new online tool developed with the help of statisticians enables patients to make informed treatment choices.
Maths in a minute: The d'Hondt method

How does the voting system for the European Parliament elections work?
Mysterious 6174

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