Jineon Baek solved the "moving sofa problem," proving that the largest sofa to fit through a tight corner is 2.2195 units.

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

Connections is the new puzzle game from the New York Times, and it can be quite difficult. If you need a hand with solving today's puzzle, we're here to help.

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

The annual brainteaser aims to tickle the neurons of those hoping to work in intelligence, and comes in the form of a ...

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

GCHQ, Britain’s electronic and cyber-intelligence agency, on Wednesday published its annual Christmas Challenge – a seasonal ...

GCHQ’s Christmas puzzle contains hidden clues as an extra challenge for sleuths for the first time. The intelligence security ...

Maths often carries the reputation of being a tough and daunting subject for many, but there's one thing most of us can agree ...

C'mon, let's win Wordle. The answer to the December 3 (1263) Wordle is SHAKY. By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.

If you were to list all the natural numbers from 1 to 1,000,000,000, which digit would you have to write least often and which would you have to write most often? Show puzzle solution First, we ...