Today's brain teaser—"I give milk and I have a horn, but I am not a cow"—is not just a fun challenge but also a tool for ...

This seriously hard brainteaser will get you thinking outside of the box with this question. Only those with a high IQ will ...

Brain teaser sare great for passing the time, especially as the nights get colder and the days get darker. Why not curl up ...

Call yourself a brainbox? Prove it with our selection of riddles and brain teasers. We've pulled together some of the best puzzles from across the internet, so you can test yourself. And don't worry, ...

There's a certain type of brain that's easily disabled. If you show it an interesting problem, it involuntarily drops everything else to work on it Each problem may list its own dependencies, however, ...

People who can solve this mathematical brain teaser in nine seconds or less have an IQ of 135 or higher. Studies have shown ...