## Articles

George Ellis explains why the study of the cosmos poses some very deep questions.

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!

The Mayan civilisation brought forth many great things — including this clever way of making a right angle.

Meet the number that's bigger than the observable Universe!

The Fields medallist reveals the beauty of numbers, how he drew inspiration from Sanskrit maths and a Rubik's cube, and how his maths fits with his tabla playing.

Why doing maths is like being Lewis Carroll's Red Queen and how to keep going beyond the formidable age of 84.