"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 ...

An optical illusion is a visual phenomenon where our eyes perceive something differently from reality, tricking the brain into misinterpreting what it sees. These illusions occur because the brain ...

It's not enough that our robots clean our rooms and cook our meals — soon they'll do our puzzles for us, too. Andy Gallagher, a researcher at Cornell University, has made a program that can assemble ...

Ever woken up to find that a crafty raccoon has overturned your garbage bin and spread the discarded contents of your life across the street? Raccoons — sometimes referred to as “trash pandas” — are ...

The “eureka” or “aha” moment of insight is legendary in math and science, dating at least two millenniums back to the possibly apocryphal story of Archimedes rushing naked out of a bath, having hit ...