"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Researchers at Duke University monitored participants’ brain activity while they completed simple math ...

A brain teaser is a short, playful puzzle designed to stretch your mind and make you smile. It could be a riddle, a tricky question, a visual illusion, or a logic twist that nudges you to think beyond ...

Brain teaser detective riddles test your deduction skills to see if you are as sharp as Sherlock Holmes! You are required to look at the picture carefully and spot the clues hiding in plain sight.

Brain teasers are fun little puzzles that make you think in different ways. They might look simple at first, but they often ...