We're huge fans of riddles and puzzles around here, so it's no shock that a brain teaser making the rounds on the internet — "How many triangles do you see?" — caught our eye. But we didn't ...

Are you smarter than a British spy? Then prove it. GCHQ, one of the UK's spy agencies, is publishing a "Puzzle Book" of riddles and brain-teasers written by British spooks. The puzzles range from ...

Interactive brain teasers like riddles, trivia, and fun facts are as beneficial as they are entertaining. There's a reason that your crossword-loving grandma is still sharp as a tack.

A good brain teaser or riddle can provide hours of entertainment for kids and adults. From math puzzles to word teasers, here are the best ones.

15 Viral Riddles and Brain Teasers That Will Leave You Stumped for Days. ... Get Reader’s Digest’s Read Up newsletter for more brain teasers, humor, travel, tech and fun facts all week long.

Also known as rebus puzzles, these visual brain teasers will challenge your wits! How do you play? Study the puzzle and try to think of a common phrase or idiom it depicts.

8 Brain Teasers to Boost Cognitive Health. The more it dries, the wetter it gets. What is it? What are two things you cannot eat for dinner? I’m red, I have a green hat and I sound like a parrot.