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

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 ...

These quizzes seek to test your IQ by asking you various challenging questions about all kinds of subjects. Take each quiz to find out if you're a genius (I bet you are). Time to test your vocabulary ...

Optical illusions are powerful tools to reveal your perception power. These show how your brain and eyes work together to process the visual stimuli. These illusions exploit or trick your brain into ...

Intelligence quotient, usually shortened to IQ, is a measure of how well someone uses information, logic, and reasoning compared to their peers. The first test for measuring IQ was developed by ...

Who has the highest IQ in history? One answer would be: a 10-year-old girl from Missouri. In 1956, according to lore, she took a version of the Stanford-Binet IQ test and recorded a mental age of 22 ...

Forbes contributors publish independent expert analyses and insights. Dr. Lance B. Eliot is a world-renowned AI scientist and consultant. In today’s column, I examine a social media trend that is ...