A book review contest finalist reviewing Clark Elliott's concussion memoir The Ghost In My Brain, weighing the evidence for his unorthodox recovery treatments and discussing how medicine could better handle poorly understood, heterogeneous conditions.

A review of L.R. Hiatt's book on Aboriginal anthropology that examines the complexity of their traditional social structures and practices, while exploring broader questions about cultural evolution and the impact of colonialism.

Scott Alexander rejects the 'cultural Christianity' argument, stating that both Christian and secular liberal societies eventually succumb to modernism, making Christianity no more stable than secular alternatives.

A review of Joe Henrich's 'The Weirdest People in the World', examining its argument that the Western Church's marriage regulations led to WEIRD psychology and modern economic growth.

Kieran Egan's educational theory proposes rebuilding school curricula around five kinds of understanding to create more engaging and effective learning experiences.

Scott reviews Julian Jaynes' controversial theory that ancient people lacked consciousness and instead heard hallucinated voices of gods, critiquing some aspects while finding value in the idea of theory of mind as culturally constructed.

Scott Alexander compares the San Francisco Gay Pride Parade to traditional civic and religious celebrations, arguing that it has evolved into a form of civil religion similar to American patriotism.

Scott Alexander examines the hypothesis that sexual purity taboos evolved to prevent STI spread, considering historical STI prevalence and cross-cultural taboos.

Scott Alexander summarizes and responds to various comments on his review of 'The Secret of Our Success', covering topics from language evolution to cultural practices and critiques of the book's claims.

Scott Alexander explains a reactionary philosophy model distinguishing between culturally evolved (right-wing) and memetically evolved (left-wing) policies, exploring its implications and potential applications.

Scott Alexander examines how increased rational debate doesn't always lead to truth, using personal and societal examples, and suggests ways to carefully approach traditions and changes.

Scott Alexander shares and comments on excerpts from Joseph Henrich's 'The Secret of Our Success', exploring cultural evolution and its impact on human societies.

Scott reviews 'The Secret of Our Success' by Joseph Henrich, which argues that culture, not raw intelligence, is key to human success and explores the evolutionary basis for cultural transmission.

Scott proposes that value differences arise from people crystallizing heuristics at different levels, rather than from fundamental, incomprehensible differences in values.

Scott Alexander examines and critiques the claim that good-vs-evil narratives in popular culture are a recent, nationalism-driven phenomenon, offering alternative explanations for their prevalence.

Scott reviews David Friedman's book on unconventional legal systems, exploring how different societies have developed unique ways to enforce laws and resolve conflicts without centralized government.

Scott Alexander shares interesting links on diverse topics including Russian life comparisons, AI developments, scientific discoveries, cultural evolution, and various research findings, with brief commentary on each.

Scott Alexander reviews 'Seeing Like A State', examining how state efforts to standardize and control societies often backfire by ignoring local knowledge.

Scott Alexander theorizes that ancient religions were inseparable from culture, comparing them to modern American civil religion and explaining how they evolved into distinct belief systems.

Scott Alexander examines tribalism, arguing that ideologies often serve as 'rallying flags' for tribes rather than defining their core identity.

A dialogue critiques Michael Huemer's view on objective moral truths, arguing that moral changes are driven by wealth and societal conditions rather than convergence on objective truth.

Scott examines five potential mechanisms of cultural evolution, discussing their strengths and limitations, and concludes that they don't strongly justify preserving specific cultural features.

The post examines cultural evolution, arguing that while within-culture evolution is effective, between-cultures evolution is too slow and weak to justify cultural practices like opposition to gay marriage.

Scott argues that even if past cultures were superior, restoring them is impossible because cultures evolve to fit their technological conditions, which have changed dramatically.