Gregory Treverton, a national security expert at RAND Corporation, famously distinguished between two types of problems, puzzles and mysteries. He was describing the modern challenges faced by the ...

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

Many companies from Wall Street to Silicon Valley are now using puzzles and riddles in interviews as a way to gauge the problem-solving abilities of potential candidates. I thought I liked this ...

NEW YORK (CBSNewYork) – Do you think your dog is a real problem-solving pooch? Well now, there are new tools designed to work those skills. Interactive devices designed to work the canine mind are ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When 2D puzzles are no longer exciting, 3D brain teasers are the way. These handheld puzzles require ...

You have a sharp brain if you can solve this math puzzle. Test your problem-solving skills and intelligence now! Math puzzles test readers' critical thinking skills by challenging them to solve ...