Take the best free IQ test online with free instant results at BestIQTest.org – a legitimate, science-based IQ testing ...

Are you smarter than the average U.S. student?Welcome to the ultimate Academic IQ Challenge, inspired by the Nation’s Report ...

Visual illusions are images that play tricks with our eyes and brain. These puzzles are excellent for testing an individual's visual acuity. These mind-bending images challenge our perception and ...

Think You're Smart? The Ultimate List25 Trivia Challenge: 25 Signs Youre Smarter Than You Think: Stephen Hawking famously ...

Think you're good at general knowledge or clued up on pop culture? Take this week's pub quiz to see how you score.

These four IQ quizzes are going to test your vocabulary and spelling. Then, after your brain is nice and warm, you'll face the ultimate IQ challenge with a quiz that covers all subjects. Have fun, ...

Let the games begin. The Mind Games, that is. Starting Thursday afternoon, April 30, and ending Sunday morning, hundreds of “judges” will play around the clock in Mission Valley, “breaking only for ...