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 ...

During the blustery cold days and cozy nights this winter, there’s no better time to rediscover the simple pleasures and quiet joys of indoor activities that help you relax and reconnect with family.

A new study by neuroscientists at Northwestern University validates the possibility of influencing dreams and offers a crucial step to support the theory that dreams in REM sleep — the rapid eye ...

"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 ...