Brain teaser puzzles engage the brain and provide an effective mental workout. These puzzles are great for boosting the brain ...

Today’s challenge is simple yet tricky – among the three men in a queue, one is a policeman. Can you identify him in just 5 ...

Looking for the best optical illusions with hidden images? Test your intelligence with this optical illusion IQ test online!

Choosing between a Shark and Roomba robot vacuum isn't easy. CNET experts have put together a guide to help you make the ...

I received an email with a chart that supposedly ranks the intelligence quotients of U.S. presidents, along with the claim that President-elect Donald Trump would ...

Modern culture shifts quickly, so one may gain critical thinking, problem-solving, change adaptability, and other skills.

Optical illusions with hidden images have fascinated and puzzled people for centuries. These visual tricks challenge the ...