NPR's Sacha Pfeiffer plays the puzzle with KAMW listener Daniel Abramson of Albuquerque, N.M, and Weekend Edition ...

Word search puzzles have become one of the most popular puzzle challenges on the web. These seemingly simple puzzles ...

Word search puzzles test your vocabulary, observation skills and intelligence. Go ahead and test your observation skills and intelligence by finding the hidden word in the word puzzle in 9 seconds.

Before Spelling Bee, before Wordle and before Connections, there was the crossword. Who invented the first published crossword, and what was it? On Dec. 21, 1913, the New York World, a prominent New ...

I’ve been out of school for decades, and I don’t spend my days solving equations (I’m more of a word person). Still, I like to think I have a solid grip on basic math: I can usually gauge whether a ...

This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere I’ve been out of school for decades, and I don’t spend my days solving equations (I’m more of a word person ...

Brain teaser puzzles test the reader's critical thinking and problem-solving skills by challenging them to solve a problem. These challenges have the potential to boost intelligence and improve ...

Label the rectangles correctly with the letters A to I. Show puzzle solution Only the four blue-shaded rectangles below intersect three other rectangles, and therefore they must be F, G, H and I. H ...

You are participating in a holiday gift exchange with a few classmates. You each write down your own name on a slip of paper and fold it up. Then all the students place their names into a single hat.

Marijn Heule turns mathematical statements into something like Sudoku puzzles, then has computers go to work on them. His proofs have been called “disgusting,” but they go beyond what any human can do ...