From shifting colours to phantom rays, these five challenges reveal how easily your mind can be fooled by light, contrast, ...

A new optical illusion, the 'expanding hole,' tricks the brain and reflexes, causing pupil dilation as if entering a dark space. A study reveals that 86% of people perceive the illusion, with black ...

On any given weekend in 2025 a sports fan might zap between three broadcasts and watch artificial intelligence settle pivotal ...

The most basic form of an imaginary athlete might be a wall, fence or even tree that makes a good opponent in a pinch. For a child or adolescent practicing a sport alone, a surface that provides a ...