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 ...

If brain teasers are your idea of relaxation, put on your thinking caps for our 25 tricky IQ questions and answers! We promise to deliver you some mind-boggling questions! You’ve probably done a few ...

Questions from the world’s shortest IQ test even stumped students at Yale and Harvard! Maybe you have a dark sense of humor, or perhaps you failed your driver’s test—both are signs of intelligence, ...

Is our level of intelligence inborn or acquired during our lifetime? Is it possible to become smarter and increase our IQ score? This is one of the hottest scientific and politically sensitive ...

Daphne Martschenko does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...