Average IQ varies depending on geographic location, resource access, and much more.

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 ...

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 ...

It's time to dismantle the intellectual hierarchy in our organizations. Our assumptions about human potential are not just outdated—they are an active liability.