Scott examines a new genetic study on missing heritability that both hereditarians and nurturists claim vindicates their position, concluding that despite the study's advances, the fundamental debate over how heritable traits like IQ actually are remains unresolved.

Scott Alexander presents his monthly collection of interesting links and developments across technology, science, culture, and policy, with personal commentary on each item.

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.

Scott Alexander presents a diverse collection of 41 links and news items, covering topics from science and politics to history and technology, with brief commentaries and insights.

A diverse collection of links and brief comments on recent developments in science, technology, politics, and society, ranging from climate change to AI developments to social experiments.

Scott Alexander critiques Emil Kirkegaard's evolutionary definition of mental illness, arguing for separate terms to distinguish between social dysfunction and evolutionary fitness concepts.

Scott Alexander presents a diverse collection of 38 links and news items, covering topics from book reviews and religious history to AI developments and political trends, with brief summaries and comments on each.

Scott Alexander rebuts Bryan Caplan's arguments about mental illness, criticizing the preference/constraint dichotomy and providing counterarguments to Caplan's claims.