If you've ever wondered how high your IQ really is, tackling these 13 Ph.D. D-level questions might just give you a hint. These aren't your typical trivia questions—they require deep thinking and a ...

Guest post by Jason Major, a PhD candidate in Psychology at the University of Edinburgh. He is from Ottawa, Canada. About a month ago, Sanjay Srivastava, a psychologist at the University of Oregon, ...

A new study has found that teenagers with a high IQ are more likely to be liked by peers, but also like fewer people. Researchers found that teens with a higher IQ liked significantly fewer peers than ...

(CNN) – Being exposed to high levels of fluoride could impact intelligence. According to a new government survey, fluoride levels in children’s urine were measured. They reported a drop in IQ scores ...