There’s nothing quite like a maddening math problem, mind-bending optical illusion, or twisty logic puzzle to halt all productivity. We’re curious people by nature, but we also collectively share a ...

Sure, riddles are fun if you’re a fan of clever wordplay. But there’s something so uniquely enjoyable about a good visual puzzle. So today, we’re calling all brainteaser aficionados: How many ...

Perhaps you falsely assumed that these were really triangles. To the naked eye, the "apparent hypotenuses" of the big triangles look like straight lines, but each consists of two straight line ...

Brain teasers are a lot of fun and make you think in a different way, even if you don't get the answer on the first try, you can easily go back and see what you missed and take what you learned onto ...