An 18-year-old has finally solved a puzzle which has stumped him for three years despite asking his parents and ChatGPT for ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...

Languages: English. You can get in touch with Jack by ... after struggling to complete her daughter's spot-the-difference puzzle. Puzzles can help children improve vocabulary, hone hand-eye ...

In 1907, the English author and mathematician Henry Ernest Dudeney posed a puzzle: Can any equilateral triangle be cut into ...

TOKYO -- A Japan-U.S. research team on March 10 offered a mathematical proof that "Dudeney's dissection," a challenge to cut ...