Shaikh said, "The well-dressed suspect communicated in Hindi with the showroom staffers and requested for a test drive. The general practice is to collect documents from customers before allowing them ...

Optical illusions are powerful IQ tests that reveal how sharp your observation skills are! These cleverly designed images ...

More research shows that your ability to balance on one leg can reveal how well you’re aging. Discover the fascinating science for why, and what you can do to improve.

Visual acuity tests are a form of brain teaser puzzles that test the reader's critical thinking and problem-solving skills.