The intelligence quotient (IQ) is a standardized measure of cognition, or your ability to think, understand, reason, learn, and remember. By design, the average IQ score is 100. Higher IQ scores are ...

Intelligence quotient, more commonly referred to as IQ, is a measure of an individual’s intelligence, sanity, and acumen. The use of IQ for measuring intelligence is not the first of its kind.

Scores above 100 suggest higher-than-average intelligence. But what does IQ truly measure, and why do some countries consistently top the list? Let’s explore the science behind this. IQ is typically ...

The US Supreme Court will hear Hamm v. Smith on Wednesday, December 10, a death penalty case testing how courts should treat multiple IQ scores when deciding whether a death-row prisoner is ...

Joseph Clifton Smith, convicted of capital murder in Alabama and sentenced to death, has taken five IQ tests as an adult. His scores range from 72 to 78.