Optical illusions are more than just a fun visual trick—they are a powerful tool to test your IQ and observation skills.

Did you know that solving puzzles like these activates multiple areas of your brain, boosting problem-solving abilities and ...

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?

Here are seven of the world’s toughest exams, known for their gruelling difficulty and high stakes, designed to test ...

The practice increases focus and helps people ... And with the genius of a new online IQ test, people are finding themselves in better and better shape to take charge of their lives.