Think your eyesight and focus are top-notch? This brain-teasing puzzle hides a mistake that escapes even the smartest minds.

Optical illusions are fun. They challenge how we see things. In a viral X (formerly Twitter) post, we can spot an image full of the number 6 repeated in neat rows. But there is a twist. One 0 is ...

Get ready to push your limits with the toughest brain teasers around! These puzzles will challenge your logic, creativity, ...

Difficult riddles for smart kids : 300 riddles and brain teasers that kids and families will love by Prefontaine, M., author Publication date 2017 Topics Logic puzzles -- Juvenile literature, Lateral ...

You are among the highly intelligent persons in the world if you can guess the country name by looking at the flag in 7 ...