Puzzles, brain teasers, and riddles are entertaining exercises that will put your thinking to the test and exercise your problem-solving skills. They can take many different forms, whether they are ...

"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 ...

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 ...