Engaging in brain teasers and optical illusions sharpens the mind. A challenge to identify a robot among three friends tests observation and reasoning. The robot is revealed by tire tracks behind one ...

Optical illusions have fascinated scientists and puzzle lovers alike for centuries. These brain teasers aren’t just about ...

It’s the kind of thing that makes you stop for a second and wonder if your brain is playing tricks on you. The Kanizsa Triangle is just one of those optical illusions that keeps you guessing ...