Add Yahoo as a preferred source to see more of our stories on Google. We tend to think intelligence is about speed, trivia, or math tricks, but real cognitive sharpness shows up in unexpected places.

People often talk about very high intelligence quotient (IQ) scores, often referred to as genius IQ scores, but what exactly do these numbers mean and how do they stack up? How do IQ scales break down ...

A four-year-old “multilingual math whiz” from Illinois has been accepted into the prestigious Mensa society with his genius IQ. Zorien Royce of Vernon Hills is not your typical preschooler. He can ...