These tricky brain teasers will sharpen your mind and put your problem-solving skills to the test. See how many you can ...

Add Yahoo as a preferred source to see more of our stories on Google. Who doesn't love a clever brain teaser puzzle? Also known as rebus puzzles, these visual brain teasers will challenge your wits!

"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 graphic artist who designs seek-and-find puzzles is testing everyone's attention to detail with another brain teaser — and this time the focus are watermelons. Gergely Dudás, from Budapest, Hungary, ...

Brain training games are games that allow players to complete tasks that practice specific cognitive skills that exercise their memory, attention span, logic, and fast thinking. Brain training ...

This brainteaser celebrating International Working Animal Day hides 10 working animals in a scene - from oxen ploughing ...

This Thursday is Pi Day, the one day of the year devoted to a mathematical constant (it also happens to be Einstein’s birthday). We all learned as kids about how special pi is and have since accepted ...

Pondering a brain teaser or puzzle might help your performance as much as your physical warmup, a new study suggests ...