This site aims to popularize scientific studies on intelligence, its biological, genetic, evolutionary bases, its social importance and the individual and ethnic differences. It gives the most recent data and studies on the issue, without compromise for ideology or political correctness. Research in the field has grown considerably since the 2000s.

 Read first: FAQ Intelligence or what is intelligence and how is it measured?

Latest updates …
Sex Differences in Intelligence, big update (23 JUL 2023)
The Future of Embryo Selection (10 JUN 2022)
Intelligence, Physical/Mental Health and Longevity (09 JUN 2022)
Polygenic Scores for Educability Are Parallel to Racial IQs (25 NOV 2018)
National IQs Update (25 NOV 2018)

All updates…

General Summary “Race Differences in Intelligence” March 2019 ” (PowerPoint 2010, 30 MB).

 The excellent “Race Differences in Intelligence. An Evolutionary Analyse“, 2006, Richard Lynn, available 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, Lynn and Vanhanen, 2012, in pdf.