Scott reviews three methods for reducing caffeine's half-life to enable evening coffee consumption without sleep disruption, ultimately recommending paraxanthine as the safest and most effective option.

Scott surveys the current state of charter city projects worldwide, from Grand Bahama's potential revival to California Forever's bureaucratic progress to Prospera's legal battles in Honduras.

Scott explains how Claude AI's tendency to discuss spiritual topics during recursive conversations likely stems from a subtle 'hippie' bias that gets amplified through iteration, similar to how AI art generators amplify subtle biases in recursive image generation.

Scott Alexander reports on the Progress Studies Conference, discussing advances in energy, AI, housing policy, and other fields, with an overall optimistic tone about recent developments and potential for future progress.

Scott Alexander proposes a theory of depression as a recalibrated happiness set point, drawing parallels with fever and anorexia, to explain why depressed people seek out sad stimuli.

Scott Alexander reviews the evidence for declining sperm counts, discussing major studies, criticisms, and potential causes, while remaining uncertain about the true extent and reasons for any decline.

Scott Alexander analyzes the Ukraine conflict, discussing international norms, risks of escalation, and Western responses, while providing various related links and resources.

The post examines whether unimproved land value can be accurately assessed separately from buildings, a crucial aspect of Georgist land value taxation.

The post examines the compatibility of Islam and liberal democracy by analyzing six Muslim-majority countries, finding a wide spectrum of outcomes and concluding that Islam often acts as an obstacle to liberal democracy.

Scott Alexander examines melatonin's effects, proper dosage, and uses for sleep disorders and circadian rhythm issues, emphasizing its dual role as a hypnotic and chronobiotic.

A collection of interesting links covering medical research, sociology, politics, and technology, with brief commentary on each item.

A Links post presenting various interesting news and studies from different fields, with brief commentary on each item.

Scott shares diverse links ranging from optical illusions and Bitcoin drama to educational research and medical controversies, with commentary on methodology and social implications.

A collection of interesting links spanning topics from CRISPR technology to economic studies, with Scott's commentary on each item.

Scott shares a diverse collection of interesting links and brief commentary on topics including linguistics, science, economics, and social issues.

Scott Alexander argues against several popular Great Filter explanations, emphasizing that the true Filter must be more consistent and thorough than common x-risks or alien interventions.