Do you want to see how locked in you were to the world’s headlines in 2025? Take my 2025 “News IQ” Test to see if you can ...

Intelligence Quotient (IQ) tests have intrigued people for decades as a way to measure cognitive abilities. This article delves into the origins, evolution, applications, and significance of IQ tests, ...

Taiwan and Hong Kong also recorded very high scores, around 107. However, they were not included in the final country rankings.

Visual illusions play tricks with the human brain and test your attentiveness. In today’s visual illusion IQ test, the ...

This is a straightforward vocabulary test, so if you've ever taken the SATs, this will feel totally familiar. Take the quiz here. It's highly unlikely you'll ever need to write something without spell ...

Do you enjoy quick brain challenges that test your focus and patience? Then this optical illusion is made for you. At first ...

This 1937 version of the Stanford-Binet Intelligence Scales was produced in the United States. It used objects because this IQ test was aimed at children. Credit: SSPL/ Getty Images The Hechinger ...