Lucid dreamers who heard puzzle-linked soundtracks while sleeping were more likely to solve those unsolved problems the next ...

People who had trouble solving problems were more likely to solve them when prompted in their sleep.

"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 ...

A new study has documented the abilities of individual wild Asian elephants to access food by solving puzzles that unlocked storage boxes. It is the first research study to show that individual wild ...