"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Researchers at Duke University monitored participants’ brain activity while they completed simple math ...

Brain teasers detective puzzles are a real-time test of your brainpower, observation, logic, and critical thinking. These puzzles are designed to reveal your attention span and processing speed. Now ...

The ability to quickly analyze visual information, detect anomalies, and spot inconsistencies is a key trait of individuals with high intelligence. According to cognitive psychology, the human brain ...

Optical illusion puzzles have been there for centuries and these are fun challenges that are designed to play tricks on our eyes and brains. Optical illusions work on a simple principle where it ...

Brain teasers are tricky puzzles that are designed in a fun and tricky way so that you push your brain further to think out of the box. There are a variety of brain teasers that are available online ...