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Test your wits against this epic set of interlinked space puzzles

Fed up with bog-standard crosswords? Bored by suduko? Here's a set of interlinked, space-themed puzzles to download as a pdf that will really put your brain through its paces

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HDY64X high-angle shot of many gifts wrapped in nice papers and tied with ribbons of different colors and a white three-dimensional question tag in the cente

Puzzle #101: Can you work out the area of the red triangle?

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Puzzle #101: Can you work out the area of the red triangle?

Puzzle #100: Can you work out how to reach your flight on time?

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New Scientist Default Image

Puzzle #98: Can you solve a dog breeder's canine conundrum?

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Puzzle #95: What piece should you chose to build the tallest tower?

Puzzle #95: What piece should you chose to build the tallest tower?

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Puzzle #82: Dogmandoo

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How to solve the New Scientist cryptic crossword

How to solve the New Scientist cryptic crossword

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M. C. Escher, Day and Night (1938)

Humans

Escher's Journey: there's more to this artist than his maths

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Bob Walker

Humans

Bob Walker tribute

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Test yourself against these superpuzzles from Japan

How much brain power have you got left after floating on a sea of indulgence this holiday? Find out with some ninja puzzles from Alex Bellos

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