Guest post by Jason Major, a PhD candidate in Psychology at the University of Edinburgh. He is from Ottawa, Canada. Guest post by Jason Major, a PhD candidate in Psychology at the University of ...

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 ...

Communities started adding fluoride to the water supply in 1945. But now, a new analysis finding a potential link between added fluoride and lower IQs in children is causing concern. The National ...

A rigorous nine-year research review looking at the relationship between fluoride and intelligence in children concludes that as fluoride levels rise, IQ drops. Every 1 part per million increase in ...

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 ...