Think you are smart enough to solve all four puzzles? This challenge will test your logic, creativity, and problem solving skills from start to finish. Watch closely and see if you can figure them all ...

A UBC study finds raccoons solve puzzles even without food rewards, suggesting they are driven by curiosity and ...

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!

There's nothing like beating The New York Times' daily crossword puzzle. You get a buzz, a jolt of pride that makes you feel ...

An overwhelming number of subjects woke up remembering dreams in which they were trying to crack puzzles that they hadn’t been able to solve before they dozed off. Even more amazingly, they were more ...

With only one exception, all puzzles in Pressure are relatively easy to complete. It takes little time to master the technique, and they tend to be repetitive. Still, we thought we would give you guys ...