Scott announces the 2026 ACX annual reader survey, which takes 30-45 minutes and helps investigate psychological findings, with one respondent winning a free paid subscription.

Scott provides detailed probabilistic timelines and beliefs about AGI development, AI safety, geopolitics, and future outcomes, with his median expectation being AGI in 2031 and 20% probability of existential catastrophe given current safety efforts.

Scott announces the 2026 book review contest with a May 20th deadline, requiring anonymized submissions via Google Form, offering prizes of at least $2,500/$1,000/$500 for the top three winners.

Scott opens voting for the 2025 Non-Book Review Contest finalists, listing all thirteen entries and providing a link to the ranked-choice voting form.

A detailed investigation of the Sun Miracle of Fatima in 1917, where 70,000 people witnessed the sun appear to spin, change colors, and fall to earth, analyzing witness testimonies, skeptical explanations, and similar phenomena at other Marian apparition sites.

Scott Alexander announces the 2025 ACX Grants program offering $1M in microgrants for charitable and scientific projects, with a new equity-sharing component for projects that become startups.

Scott reviews updates from two cohorts of ACX Grants recipients (from 2021 and 2024), analyzing their progress and sharing lessons learned about what makes grants successful.

Scott asks readers to help select finalists for the Non-Book Review Contest by rating entries through a provided form, with voting open until June 20.

Scott announces a contest for reviews of anything except books, with prizes ranging from $500 to $2,500, due May 12th.

Scott analyzes the results of the 2025 ACX reader survey, revealing interesting patterns in reader demographics, beliefs, and behaviors, with some surprising contrasts between vocal commenters and the general readership.

Scott announces the annual ACX reader survey for 2025, offering free subscriptions to random participants and highlighting interesting findings from previous years.

Scott presents results from his AI art Turing test showing most people struggled to distinguish AI from human art, with professionals doing slightly better and participants unexpectedly preferring AI art.

Scott Alexander announces an AI Art Turing Test with a link to a form, closing on 10/21, with results to be posted the following week.

Scott Alexander proposes a scaled-up voting guide project for major US cities, outlining a process for local ACX meetup groups to create and submit ballot recommendations.

Scott Alexander opens voting for the 2024 Book Review Contest, explaining the approval voting system and listing the finalists.

Scott Alexander shares the results of the 2024 Astral Codex Ten survey, providing access to data and promising future analyses.

Scott Alexander announces the 2024 ACX Survey, inviting readers to participate and potentially win a free subscription.

Scott Alexander announces the 2024 Book Review Contest, detailing submission guidelines, prizes, and a new focus on including nontraditional book categories.

Scott Alexander opens voting for the 2023 Book Review Contest, detailing the ranked choice voting process and listing the finalists.

Scott Alexander shares a diverse collection of links and news items, covering topics from architecture and history to AI developments and scientific studies, with brief commentary on many items.

Scott Alexander responds to criticism of his post on housing density and prices, refining but largely maintaining his argument that increased density can raise local prices.

Scott Alexander announces the 2023 Book Review Contest, detailing submission guidelines, prizes, and deadlines for book review entries.

Scott Alexander announces the results of the 2022 ACX survey, providing links to questions, results, and downloadable datasets, with notes on privacy measures and future analyses.

Scott Alexander addresses reactions to his claim that media rarely lies, exploring different interpretations of 'lying' and examining specific cases of alleged media deception.

Scott Alexander announces Stage 2 of the 2023 Prediction Contest, encouraging participants to use any resources to make accurate predictions.