Brain teasers are excellent for boosting critical thinking capabilities. These puzzles engage your brain and provide a ...

Spot the hidden number 3 in a 9-second brain teaser optical illusion that tests observation, IQ, and visual perception skills ...

Visual illusions play tricks with the human brain and test your attentiveness. In today’s visual illusion IQ test, the ...

This is a straightforward vocabulary test, so if you've ever taken the SATs, this will feel totally familiar. Take the quiz here. It's highly unlikely you'll ever need to write something without spell ...

There are several different ways to test observation skills withan IQ test. But, solving the brain teaser challenge ...

Ready to challenge your brain and your eyes at the same time? This optical illusion and IQ-style test is designed to check ...

MyIQ is changing how digital culture engages with intelligence. In 2025, cognitive testing has become part of personal ...

A new scientific paper I produced along with Sarah Cassidy and other colleagues, published in the journal Learning and Individual Differences, shows that significant increases in general intelligence, ...