Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.

Now, more than 122 years after it was first proposed, Kamata and two other mathematicians have finally proved that a solution ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.

Challenge yourself with a number puzzle where an odd number lurks among '2222.' The key to solving lies in relaxing your gaze, breaking the image into quadrants, and identifying irregularities.

If you’re a fan of such puzzles, here’s a fresh one that has been making waves on social media. (Also read: Be internet's ...

NPR's Ayesha Rascoe plays the puzzle with Drew Skinner of Havertown, Pennsylvania, along with Weekend Edition Puzzle Master ...

However, when numbers are used in brain teasers, even those who usually avoid maths feel compelled to solve the challenge. A ...

The content provided on the Mini Crossword Puzzle game page, including any other games featured, is for entertainment and educational purposes only. Fox News does not guarantee the accuracy ...

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