These tricky brain teasers will sharpen your mind and put your problem-solving skills to the test. See how many you can figure out—without cheating!

"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 ...

Get ready to ignite your inner sleuth with 17 brain teasers designed to challenge your thinking and problem-solving skills!

There’s something oddly satisfying about solving a brain teaser. Whether it’s cracking a tricky riddle, unraveling a word puzzle, or figuring out a logic problem that makes you go, “Ohhh, I get it now ...

Brain training games are games that allow players to complete tasks that practice specific cognitive skills that exercise their memory, attention span, logic, and fast thinking. Brain training ...

Add Yahoo as a preferred source to see more of our stories on Google. We're huge fans of riddles and puzzles around here, so it's no shock that a brain teaser making the rounds on the internet — "How ...

Who does not love a good brain teaser? These mind bending puzzles have long held a special place in human curiosity. They invite readers to think differently, test their imagination and enjoy the ...

When 2D puzzles are no longer exciting, 3D brain teasers are the way. These handheld puzzles require unlocking several interconnected geometric pieces, inviting logical thinking and spatial ...