But don’t be too quick to dismiss it as just a number. From predicting job performance to influencing lifespan, IQ is more powerful than you might think. Here are 25 clever facts about your IQ ...

A new study of human intelligence posits a narrative that may surprise the general public: American IQs rose dramatically over the past century, and now they seem to be falling. Cognitive abilities ...

For as long as intelligence has been studied, we’ve been told that our raw IQ is mostly a genetic hand-me-down. Sure, we've learned how to sharpen the knives we were handed and increase our “effective ...