Product news: Milan company Looodus has designed a toy that allows children to learn about typography and the alphabet at the same time. Looodus laser cut each of the 26 letters in the alphabet in the ...

Challenge your cognitive abilities with this perplexing optical illusion! A grid of seemingly random letters hides a clever secret: one letter of the alphabet is conspicuously absent. Designed to ...

In case you've faced some hurdles solving the clue, Nineteenth letter of the Greek alphabet, we've got the answer for you. Crossword puzzles offer a fantastic opportunity to engage your mind, enjoy ...

Give your in-between moments a new lease of life with Guardian puzzles. Available to play in the Guardian app.