Intelligence sounds like a trait but what if it’s just behavior shaped by opportunity, reinforcement, and environment?

Intelligence, usually measured by IQ, has fascinated us for centuries. While the concept of Intelligence Quotient and its ...

These brain puzzles tap into your visual perception system, using tricks like figure-ground confusion, Gestalt grouping, and camouflage to test your visual IQ and cognitive speed. Today’s visual ...

Recently, a puzzling brain teaser was posted on X (formerly Twitter) by the account Brainy Quiz, known for sharing clever and sometimes confounding IQ challenges. This particular post reads ...

Many of the bear calls have been a function of chart patterns with these main characteristics ... Below is a graph of the expanding divergence in trading activity. IQ's main business is running ...