There’s nothing quite like a maddening math problem, mind-bending optical illusion, or twisty logic puzzle to halt all productivity in the Popular Mechanics office. We’re curious people by nature, but ...

If you're feeling rather bleary eyed from a busy weekend, waking your brain up with a tricky optical illusion might just be the ticket. Brain teasers challenge your sense of perception and force you ...

Quora is a hive of activity day-in, day-out. But today especially there is a hubbub around the social site after one user posed a simple question. A user posted a yellow and pink picture of a triable ...

Brain teasers are a fun and fascinating way to challenge your mind and sharpen your problem-solving skills. Often requiring out-of-the-box thinking, they push your brain into a different gear. 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 ...

Have you ever sat on a train on your commute to work and spotted someone doing a sodoku or crossword puzzle, and wondered why they aren't just watching something on their phones instead? While we all ...

READERS have been challenged to count all the triangles that are hidden in this mind-bending brain teaser. Eyes have been darting as players rush to count all the shapes they can see within six ...