This week would have been the 100th birthday of Martin Gardner, who is deservedly credited with turning on several generations of people worldwide to the pleasures of maths! To mark the occasion here are some favourite puzzles that, apart from being fun, also lead to some serious maths.

Our image of the week shows one of our favourite topological shapes.

What gives an equation the right to call itself a law?

Soon you will be able to step inside a mathematical space and experience the beauty and importance of maths!

What makes a number a constant of nature?

Why cosmologists worry about isolated brains that randomly fluctuate into existence.

Change the way you look at your commute with our image of the week!

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

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