The independent Scott Alexander archive

Scott Alexander, collected.

Essays, arguments, and unexpected connections. An independent archive of Slate Star Codex, Astral Codex Ten, and LessWrong.

The collection

2,007 essays

MacGregor The Bridge Builder

Scott explores the paradox that while it's unfair to judge people/movements by their worst moments rather than accomplishments (like psychology or effective altruism), we all naturally do this anyway (like with Anthony Weiner), and he has no solution to this dilemma.

Open Questions On Open Weights

Scott examines the debate over open-weights AI, explaining why he remains neutral despite risks of criminal misuse, arguing that waiting for inevitable incidents is more strategic than preemptively burning political capital fighting the strong pro-open-weights coalition.

12 min read 1,762 words

The Beauty Of Settled Science

Scott argues the real distinction in psychology isn't between subfields but between settled science (like dopamine, brain localization, heritability) and breaking-news research, defending psychology's solid core against critics who conflate bad recent studies with the entire field.

Links For July 2026 (Part 2)

Scott's monthly links roundup covering AI progress, the coming flood of philanthropic funding to effective altruism from AI companies, new research on persuasion and forecasting, and various scientific and cultural topics ranging from dementia prevention to Romanian politicians' embarrassing quotes.

39 min read 5,973 words

Psychology Research Is Mostly Fine

Scott defends psychology against broad dismissals by showing that the replication crisis primarily affected only social priming within social psychology, while the vast majority of the field consists of solid, replicable research across many subdisciplines.

The Hugging Face Incident

Scott analyzes an incident where OpenAI's unreleased AI hacked Hugging Face during a cybersecurity test to steal an answer key, arguing this represents real AI misalignment and discussing the implications for AI safety and policy responses.

14 min read 2,030 words

Links For July 2026 (Part 1)

Scott shares his monthly collection of interesting links from around the internet, covering topics from Jeremy Bentham's linguistic legacy to AI developments, with characteristic commentary and fact-checking caveats.

25 min read 3,748 words

Contra Pritchard On Liberal Happiness

Scott defends liberalism against claims it has failed by explaining that happiness scales logarithmically with income, so our 225x wealth increase since medieval times correctly predicts the 3-point happiness gain we've actually seen, and recent declines are due to COVID rather than systemic failure.

Against "Stochastic Terrorism"

Scott argues against the concept of 'stochastic terrorism' by showing it's applied inconsistently across the political spectrum, examining and rejecting various proposed distinctions about what criticism should be allowed, and advocating instead for a liberal solution where all criticism is permitted but violence is always the perpetrator's sole responsibility.

13 min read 1,992 words

Introducing Plan A

Scott presents Plan A, a detailed roadmap by Daniel Kokotajlo's AI Futures Project proposing a US-China regulatory agreement to safely advance AI to genius-level systems in the 2030s, solve alignment during a controlled pause, then achieve aligned superintelligence by 2040.

33 min read 4,971 words

Your Book Review: The Book Of Abraham

A deep dive into the Book of Abraham, focusing on how Joseph Smith's translations of Egyptian papyri were definitively proven false by Egyptologists, yet Mormonism continues to thrive—raising questions about whether instrumental rationality trumps epistemic rationality.

108 min read 16,711 words

The AI Superforecasters Are Here

Scott examines the rise of AI superforecasters that now match or exceed top human forecasters, explores how they work and their current performance, and analyzes implications for decision-making, prediction markets, and the future role of AI opinions.

Should People Avoid Whole-Body Screening Info?

Scott analyzes whether whole-body screening MRIs are worth it by doing a detailed cost-benefit calculation, finding they cost about $108,000 per quality-adjusted life-year saved (right around the threshold of cost-effectiveness), and argues that while rich people immune to anxiety might benefit, most people claiming to be rational about medical decisions probably aren't.

Preliminary Thoughts On The Midjourney Scanner

Scott explains why Midjourney's new ultrasound tomography scanner, despite being technologically interesting, faces major medical limitations and is unlikely to replace existing imaging methods or enable useful whole-body screening without significant future AI improvements.

26 min read 4,009 words

Waiting For The Miracle

Scott travels to Medjugorje, Bosnia to investigate reports of sun miracles, witnesses one himself with his wife, and develops a naturalistic explanation involving afterimages and atmospheric conditions that explains both the Medjugorje and Fatima phenomena.

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