The chessboard has been the source of many ingenious puzzles that involve spatial reasoning and insight thinking. The seven ...

What’s more, doing maths is often a collaborative endeavour – and can be a great source of fun and fulfilment when people ...

Whether solving a crossword, tackling a Sudoku or completing a jigsaw puzzle, engaging with brain teasers allows many to sharpen their minds by challenging them to think critically, solve problems and ...

Discovering that his own name was a clue in a Saturday New York Times crossword puzzle was the most triumphant day of author A.J. Jacobs’ life. Or so he thought until he realized that the Saturday ...

Puzzles are a hands-on way to explore simpler and complex mathematical relationships, for everyone from kids to calculus students.