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BrainTwister #49: Squares and cubes

BrainTwister #49: Squares and cubes

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BrainTwister #29: Four by four

BrainTwister #29: Four by four

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New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Puzzle #176: When did the ant stop walking around the clock?

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Puzzle #165: Can you calculate the area of land for rent?

Puzzle #165: Can you calculate the area of land for rent?

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New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Puzzle #160: How far was the photographer from the Loch Ness monster?

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New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Puzzle #155: Just how old is riddle fan Ada Hubbard?

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New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Puzzle #149: Only Ferris Caroselli could design this mathematical ride

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Puzzle #140: How far will Mr Bodger walk to dodge dirt?

Puzzle #140: How far will Mr Bodger walk to dodge dirt?

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