This site aims to popularize scientific studies on intelligence, including its biological, genetic, and evolutionary foundations, as well as its social significance and the variations observed among individuals and ethnic groups. It presents the latest data and studies on these topics, free from ideology or political correctness. Research in this field has expanded considerably since the 2010s.
Read first: FAQ Intelligence—What is intelligence and how is it measured?
Latest updates
→ National IQs Update (FEB 2024)
→ Sex Differences in Intelligence, big update (JUL 2023)
→ The Future of Embryo Selection (JUN 2022)
→ Intelligence, Physical/Mental Health and Longevity (JUN 2022)
→ Polygenic Scores for Educability Are Parallel to Racial IQs (NOV 2018)
General Summary “Race Differences in Intelligence” April 2025 (PowerPoint 2010, 30 MB).
Race Differences in Intelligence: An Evolutionary Analysis (2006) Richard Lynn, in PDF.
General Outline “From Genes to Civilisation”
What is biological egalitarianism?
The biological and social IQ correlations
Intelligence: An Unifying Factor for Social Science (2012) Lynn and Vanhanen, in PDF.