What makes a number a constant of nature?
Why cosmologists worry about isolated brains that randomly fluctuate into existence.
George Ellis explains why the study of the cosmos poses some very deep questions.
Why game theory is a serious business.
The winner of the 2014 Chern medal tells us about beauty in maths, the twists and turns of mathematical history, and his work for the maths community.
Have you ever wondered how to create a magic square? Charles Kelly shows us how to create a magic square of any size, and even of any dimension!