You have an IQ above 140 if you can solve this math puzzle. Test your problem-solving skills and intelligence with this IQ ...

Okay, first, look carefully at the image. If you all adjust the matchesstick from both 3 and 5, it will convert to 9 and 9, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When 2D puzzles are no longer exciting, 3D brain teasers are the way. These handheld puzzles require ...

Using two newly developed types of reasoning tests, a team of researchers at UCL and UCLH has identified key brain regions that are essential for logical thinking and problem-solving. The results will ...

A brain teaser is a type of puzzle which is used for fun and tricky games, and a challenge to our minds to solve different ...

Opinions expressed by Entrepreneur contributors are their own. Many entrepreneurs immediately concentrate on the issues at hand, which makes it more difficult to come up with solutions because you’re ...

An Optical Illusion is a type of visual puzzle which requires thinking about different approaches and the ability to solve ...

Looking to think smarter in 2026? Learn 8 powerful logic-based skills to boost mental clarity, career growth, financial ...

For decades, the idea that creativity comes from the right side of the brain has dominated popular culture. People have been told they're either "right-brained" (creative, intuitive) or "left-brained" ...