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Two mathematicians have cracked a centuries-old puzzle about prime numbers using an approach that no one saw coming. Ben ...

When you watch your pennies, your nickels take care of themselves. The post Math Puzzle for December 13, 2024 appeared first ...

When you’re hauling a couch through a narrow hallway and yelling “Pivot!” like Ross from Friends, you’re unwittingly ...

Take, for example, the “sofa problem”: a conundrum that has both stumped mathematicians for decades, and also been “solved” ...

Maths and colouring? Get out your pens to solve our bumper Christmas BrainTwister, along with more holiday puzzles and the ...

The challenges require codebreaking, math, lateral thinking, and a bit of ingenuity to reveal the name of a famous UK ...

Every year, GCHQ also publishes a special festive challenge for 11 to 18-year-olds. It comprises a downloadable PDF with ...