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 ...

Of all the lingering symptoms of long Covid, difficulty focusing and thinking, known as brain fog, may be the most frightening and baffling. A new study published Wednesday in the New England Journal ...