The future may not be as bright. IQ scores have decreased in the US for the first time in decades, new research from scientists at Northwestern University and the University of Oregon suggests. The ...

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 ...

New research complicates the old consensus that IQ is largely fixed, and that’s good news for anyone looking to boost their intelligence. As someone who writes for the internet, I can tell you any ...

Exposure to leaded gasoline lowered the IQ of about half the population of the United States, a new study estimates. The peer-reviewed study, published Monday in the journal Proceedings of the ...