According to the ranking in IQAir's 2024 World Air Quality Report, these are the 10 U.S. cities with the worst pollution in ...

A new map has revealed which US states have the ... to very superior (130 and above). The global average IQ is 100 and all scores in the US fell within average classification.

But how do countries around the world compare when it comes to average IQ scores? This article takes a closer look at the global IQ rankings, including where India stands, and what these numbers ...

For much of the 20th century, IQ scores around the world consistently increased. This phenomenon, known as the Flynn Effect, ...