I took an IQ test to explain what's wrong with them
Overview
Veritasium takes an IQ test and examines what IQ measures, its history including military use and eugenics, its controversies, and how it correlates with life outcomes. Experts including Cecil Reynolds and Stuart Ritchie contribute.
On Hacker News
Recommended as a good primer on what IQ scores mean and their limited effect on life outcomes.
Topics
Sources
Video by Veritasium, played through YouTube.
Data and selection notes
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HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.
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- SaaS & AI candidates: Topic keywords do not match
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