Add Yahoo as a preferred source to see more of our stories on Google. Who doesn't love a clever brain teaser puzzle? Also known as rebus puzzles, these visual brain teasers will challenge your wits!

"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 ...

One brain teaser that's currently stumping people involves fixing the equation shown below by making a small adjustment. This fun challenge is a great way to test both your math skills and creative ...

Welcome to New Scientist‘s devilishly difficult Christmas puzzle, set by Charlie Wheeler at Ultimate Quest. This year, your task is to work your way through the exhibits of a mysterious museum, ...

Brain teasers are scientifically proven tools to enhance cognitive function, boost problem-solving abilities, and sharpen ...