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.

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

The tank of each plane holds just enough fuel to take it halfway around the world. Any desired amount of fuel can be ...

Think you're a whiz at these puzzles? Get ready to challenge yourself with this optical illusion that's leaving many stumped. The claim? Only geniuses can find the hidden number 6767. Are you up ...

Up for giving your brain a speedy but exciting exercise? Here's a visual brain puzzle that will actually challenge your ...

A brainteaser featuring the number 948 challenges individuals to find the hidden number 498 within a five-second time limit. This puzzle tests critical thinking and problem-solving skills, requiring a ...

as can part-finished sections that aren’t quite ready to join the main puzzle. The table is thoughtfully designed in a number of other respects, from the attractive varnished finish to the two ...

In the challenge, the number 78 is hiding amongst rows of the ... By working through puzzles on a regular basis, you will actively engage the brain's memory systems and directly improve your ...

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

For example, Wednesday's puzzle linked the words "back," "extensions," "forward" and "refresh" under the category, "Web browser buttons." This was a green category. Meanwhile, the blue category ...