Is it really necessary to identify gifted children?
New evidence that old beliefs about people with conditions that prevent them from speaking or moving are not always right.
New research shows your ability to play certain computer games is linked to your intelligence.
The legitimacy of the IQ test is still hotly debated.
The study of human intelligence dates back well over 100 years. And the core disagreement between researchers and theorists is whether differences are genetic or largely influenced by the environment.