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Puzzles

Solution to Puzzle No. 3 - birth dates
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Solution to Puzzle No. 2 - carnivorous beetles
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Optimal stopping
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Solution to the optimal stopping problem
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Rectangle triangle problem
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Rectangle triangle problem
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Puzzle No. 3 - birth dates
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Puzzle page
Never forget your mum's birthday
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  • Maths in a minute

    Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.

  • Election special

    A mathematical look at democracy.

  • Helping men with early prostate cancer

    A new online tool developed with the help of statisticians enables patients to make informed treatment choices.

  • A cute problem goes big

    Mathematicians have revived an old approach to solving the famous Riemann hypothesis.

  • Maths in a minute: The d'Hondt method

    How does the voting system for the European Parliament elections work?

  • Our changing picture of gravity

    To celebrate the recent centenary of the first major test of Einstein's general theory of relativity, we look back over how our picture of gravity has changed.

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