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Mathematics

July 2024

  • A proud mother duck leads her ducklings across a blue lake in Springtime.<br>P12NEY A proud mother duck leads her ducklings across a blue lake in Springtime.

    Alex Bellos's Monday puzzle
    Did you solve it? Simple puzzles almost everybody gets wrong

  • Posed by model Young handsome man over isolated background surprised with hand on head for mistake, remember error. Forgot, bad memory concept.

    Alex Bellos's Monday puzzle
    Can you solve it? Simple puzzles almost everybody gets wrong

June 2024

  • Frank Duckworth, left, with his fellow mathematician Tony Lewis at Stone cricket ground in Gloucestershire,  1998.

    Frank Duckworth obituary

  • Observer Tech Monthly OTM gift guide Christmas Xmas November 2015. Tetris lights.

    Alex Bellos's Monday puzzle
    Did you solve it? Try this triple Tetris teaser

  • Tetris 1984

    Alex Bellos's Monday puzzle
    Can you solve it? Try this triple Tetris teaser

  • professor writing on the board while having a chalk and blackboard lecture

    Five of the best
    Five of the best books about maths

  • Alex Bellos's Monday puzzle
    Did you solve it? Do you think like an engineer?

  • Alex Bellos's Monday puzzle
    Can you solve it? Do you think like an engineer?

  • Wooden bowling arm that bested Australian cricketer in 1909 rebuilt

May 2024

  • Stock images at a Coles supermarket. Fruit. Green apples. Melbourne. Australia. generic. oz stock. Groceries.

    Alex Bellos's Monday puzzle
    Did you solve it? How do you like them apples?

  • Matt Damon in Good Will Hunting (1997)

    Alex Bellos's Monday puzzle
    Can you solve it? How do you like them apples?

April 2024

  • Alpengierzwaluw in de vlucht; Alpine Swift in flight<br>M8E4BP Alpengierzwaluw in de vlucht; Alpine Swift in flight

    Alex Bellos's Monday puzzle
    Did you solve it? Tiler swift

  • Taylor Swift<br>FILE - Taylor Swift arrives at the world premiere of the concert film "Taylor Swift: The Eras Tour" in Los Angeles on Oct. 11, 2023. Swift’s Instagram message encouraging her 283 million followers to register to vote was nominated for a Webby in the best creator or influencer category. (AP Photo/Chris Pizzello, File)

    Alex Bellos's Monday puzzle
    Can you solve it? Tiler swift

  • Daphne Gilbert

    Other lives
    Daphne Gilbert obituary

  • Joseph Fiennes

    Alex Bellos's Monday puzzle
    Can you solve it? Art thou smarter than Shakespeare?

  • Peter Higgs obituary

  • Cups v grams: why can’t American and British cooks agree on food measurements?

March 2024

  • Vernor Vinge in Washington DC, 2006.

    Vernor Vinge obituary

    Sci-fi author and computer scientist who coined the term ‘the Singularity’ to describe the rapid acceleration of AI
  • Word<br>AMJARJ Word

    Alex Bellos's Monday puzzle
    Did you solve it? The word game at the cutting edge of computer science

    The answer to today’s puzzles
  • puzz 1

    Alex Bellos's Monday puzzle
    Can you solve it? The word game at the cutting edge of computer science

    A crossword puzzle with a twist
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