A book review exploring the history of Project Xanadu, Ted Nelson's pioneering but ultimately unsuccessful vision for a hypertext-based internet system that preceded and differed significantly from the World Wide Web.

Scott Alexander summarizes comments on his healthcare effectiveness debate with Robin Hanson, including clarifications, study author responses, and reader perspectives on various healthcare topics.

Scott Alexander responds to Robin Hanson's reply on medical effectiveness, clarifying interpretations and reiterating arguments about the limitations of insurance experiments in evaluating medical care.

Scott Alexander challenges Robin Hanson's claim that medicine doesn't work by analyzing health insurance studies and presenting evidence of medicine's effectiveness.

Scott Alexander presents evidence against the existence of advanced Ice Age civilizations, particularly those rivaling ancient Egypt or 1700s Great Britain.

Scott Alexander presents a diverse collection of 49 links and brief commentaries on various topics, ranging from cultured meat to AI developments and current events.

Scott Alexander summarizes and responds to reader comments on his article about billionaire wealth, addressing various economic and ethical perspectives.

Scott Alexander summarizes and responds to comments on his review of 'What We Owe The Future', addressing debates around population ethics, longtermism, and moral philosophy.

Scott Alexander examines the use of absurdity arguments, reflecting on his critique of Neom and offering strategies to balance absurdity heuristics with careful reasoning.

A review of Richard Hanania's book arguing that public choice theory, not grand strategy, explains US foreign policy decisions and their often devastating consequences.

Scott Alexander announces his marriage and reflects on finding love, introducing 'micromarriages' as a motivational concept and exploring the rational and romantic aspects of marriage.

Scott Alexander criticizes the misleading use of 'no evidence' in science communication and suggests more nuanced alternatives.

Scott Alexander reviews 'The Scout Mindset' by Julia Galef, a book on rationality that emphasizes seeking truth over defending beliefs and addresses both intellectual and emotional aspects of clear thinking.

Scott Alexander shares insights gained from writing a comprehensive post on lockdown effectiveness, highlighting the complexities and challenges of analyzing such a multifaceted issue.

Scott proposes using prediction markets to fund investigative journalism, potentially solving the issue of funding quality reporting in the digital age.

Scott Alexander maintains a list of significant mistakes in his blog posts, providing corrections and updates in reverse chronological order.

Scott Alexander argues that the media's failure in coronavirus coverage was not about prediction, but about poor probabilistic reasoning and decision-making under uncertainty.

Scott Alexander discusses various aspects of the COVID-19 pandemic, including strategies, mysteries, controversies, and global impacts.

Scott Alexander reviews evidence on face mask effectiveness against coronavirus, concluding they likely offer some protection despite CDC recommendations against general public use.

Scott reviews 'Reframing Superintelligence' by Eric Drexler, which proposes future AI as specialized services rather than general agents, contrasting with Nick Bostrom's scenarios.

Scott Alexander reviews 'Secular Cycles', which proposes pre-industrial civilizations follow ~300 year cycles of growth and decline, examining the evidence and potential implications.

A diverse collection of links covering recent studies, unusual historical events, technological developments, and various curiosities across multiple fields.

Scott Alexander summarizes and responds to reader comments on his article about increasing competition in college admissions, covering various factors and perspectives on the issue.

Scott Alexander shares a diverse collection of interesting links and news items, covering topics from historical anecdotes to recent scientific studies and cultural trends.

Scott Alexander shares a diverse collection of links covering AI, economics, politics, science, and culture, offering brief comments and insights on each topic.