IQ tests are excellent puzzle games for testing the intelligence and critical thinking skills of an individual. These challenges test the logical reasoning, pattern recognition, memory, and analytical ...

YOU have a high IQ and perfect vision if you can help this baffled doctor find his missing patients. This mind-boggling optical illusion involves a seemingly normal image of a suited man holding a top ...

While medical schools and healthcare institutions have long valued IQ as measured on tests, academic records and training at prestigious hospitals, it’s time to also take into account an individual’s ...

Well, have you been looking for a chance to put on your detective hat? Here you go! Brain teasers like this one aren’t just internet fluff—they’re mental workouts backed by real cognitive science.

CENTENNIAL, Colo. -- Colorado theater shooter James Holmes' IQ score dropped dramatically over two years he was in jail, possibly because of mental illness. Dr. Robert Hanlon testified Thursday that ...