Lizabeth Ault plays the puzzle with puzzlemaster Will Shortz and NPR's Lulu Garcia-Navarro. Sunday Puzzle: The Odd Word Out On-air challenge: I'm going to give four words. Three of them have something ...

If you have ever taken an IQ-type test, then you are familiar with “odd-one-out” puzzles. Most such puzzles present figures, images, or symbols in a sequence, with the goal being to spot the one item ...

Optical illusion puzzles have been fascinating and an engaging activity that have captured the interest of people for centuries. These puzzles are famous because they reveal how the brain processes ...

Optical illusions are all about focusing on details to figure out how your brain is misinterpreting information. These visual puzzles are going viral on social media these days. One such brain teaser ...