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

If you love optical illusion pictures with answers, this challenge is perfect for you. Can you spot the butterfly in this ...

Optical illusions are more than just amusing visual tricks; they are cognitive puzzles that offer a fascinating glimpse into ...

See how you score on some examples from a Wonderlic IQ test. Set your clock for five minutes, don't peek at the answers, and ... oh, yeah, run the 40 and give us some bench-presses first ...

Test your IQ and observation skills with this thrilling optical illusion puzzle! Can you find the hidden number 6 among 8s in just 5 seconds?

David Carr survived the test to become the No. 1 pick last year. And, of course, they'll take the Wonderlic. (Click here, and you can take it, too.) The Wonderlic is an IQ test with only 50 ...