Puzzles don't just make for a fun rainy day activity. Research shows there are mental benefits to filling in the correct numbers and letters in the blocked grids of Sudoku and crossword puzzles.

The word logic comes from Greek lógos, where it meant both “reasoning” and “word.” The Greeks were clearly aware of the relation between logic and language, coining the perfect term for it. So, in a ...

A challenging maths brain teaser posted on X left users baffled, with its puzzling number sequence. Brain teasers, especially those involving maths, have gained immense popularity on social media, ...

It’s hour 25, and Chris Harris is starting to sweat. He’s staring at a list of more than 150 teams, projected on a wall in the Vannevar Bush room at the Massachusetts Institute of Technology (MIT).