About this site
This site presents scientific research on human intelligence: its biological, genetic, and evolutionary bases, its social impact, and its variation across individuals and populations. It draws on recent work, especially since the 2010s, to offer up-to-date data and studies, with a focus on clarity, rigor, and independence from ideological or political agendas.
Latest Updates
- 🎯 Why Intelligence Research is Targeted (NOV 2025)
- 🧠 National IQs Update (FEB 2024)
- 🚻 Sex Differences in Intelligence — Big Update (JUL 2023)
- 🧬 The Future of Embryo Selection (JUN 2022)
- 🩺 Intelligence, Health & Longevity (JUN 2022)
Featured Presentation: Race Differences in Intelligence
Download: PowerPoint (30 MB) — April 2025.