The undisputed top ten puzzles this season

Penguins, prison and PDE patterns feature in our Spring 2023 issue. Plus all your favourite puzzles & columns.

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The definitive chart of the best day trips

While drinking beer in your favourite pub, have you ever wondered how it is produced? Find here some of the science and mathematics behind brewing.

Factorisation is often used in cryptography. But there's something even simpler which turns out to be just as hard.