Scott explores the 'missing heritability' problem in genetics, where twin studies show traits like IQ and educational attainment are highly heritable but newer genomic methods find much lower heritability, analyzing various potential explanations for this discrepancy.

Scott Alexander examines Richard Lynn's controversial national IQ estimates and argues they are actually consistent with environmental rather than genetic explanations of IQ differences, while explaining common misconceptions about what low IQ means.

A diverse collection of news items, studies, and interesting facts from November 2024, covering topics from scientific discoveries to cultural phenomena.

Scott Alexander's monthly links post covers diverse topics from AI developments and genetic research to historical anecdotes and local news, with a mix of serious analysis and humor.

A collection of 47 diverse links and news items covering topics from religious practices to AI developments, with brief commentary on many items.