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Environmental factors in IQ scores

Many researchers believe that environmental factors, such as education and nutrition, play a significant role in determining IQ scores.

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Jan 27, 2026
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are blacks dumber

No — the claim that "" is not supported as a biological fact; it conflates group-average test-score differences with innate intelligence and ignores a broad body of scholarship showing measurement pro...

Jan 12, 2026
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Is there a correlation between IQ score and presidential performance?

The scholarly record finds a consistent positive correlation between estimated presidential IQ (and related constructs like "intellectual brilliance" or "openness") and expert ratings of presidential ...