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 ...

What is the Flynn effect, and why has it started to work in reverse? The Flynn effect is named after New Zealand scientist James Flynn, who, in the 1980s, discovered that the average IQ in ...

A new map showcases which U.S. states have the highest IQ, offering insight into the intellectual landscape of the nation and the socio-economic factors that play a role in determining intelligence.