We all knew that kid in school who aced every test. While that person probably was smart, chances are good they were also intelligent. We tend to think being "smart" and being "intelligent" are the ...

The intelligence quotient, or IQ, is a measure of intelligence. An IQ test is designed to measure a person's cognitive ...

Some people don’t need a stack of diplomas or a genius-level IQ to come across as incredibly sharp. Intelligence has a way of ...