Add Yahoo as a preferred source to see more of our stories on Google. Whether you want to buff up your knowledge or simply quiz your friends, these brain stumpers will give your mind a real workout.

Life can sometimes feel a little too serious. And people can really double down on their stiffness when asked certain questions that — while interesting — can provoke uncomfortable memories from their ...

Think you’re good at solving puzzles? Try these fun and tricky brain teasers that will challenge your logic and make you think outside the box. Can you solve them all? #BrainTeasers #MindGames ...