IQ tests are a formal measure of intelligence, but there are other, more subtle ways to gauge a sharp mind. Here are 15 thought-provoking questions that can reveal a high degree of cognitive ability, ...

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). 1. This 17-Question IQ ...

An IQ test is a way to assess cognitive abilities, and gives you a score from a set of standardised test - and this one question has left people baffled as the answer is all about English ...

To tackle this question at a Ph.D. level, you'd need to explore various theories of consciousness, from dualism to ...

Let's celebrate America's birthday with a patriotic quiz. As the country prepares to observe Independence Day on Wednesday, we gathered 10 questions from the civics portion of the test given to ...

Despite its critics, the IQ test remains a widely used tool for assessing intelligence. Stephen Murdoch, author of a new book about the IQ test, argues that IQ scores are a flawed measurement of ...