Hearing a sound while working on a complex puzzle, and then hearing it again during sleep, helped lucid dreamers better ...

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 ...

"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 ...

Security pros tackle tough problems every day, from breach investigations to niche technical issues to strategy and policy development. The key to maintaining and improving these critical ...

Math puzzles test readers' critical thinking skills by challenging them to solve problems. Math puzzles can boost analytical ...

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 ...