Astral Codex Ten publishes long-form essays on AI safety, rationality, politics, science and culture, alongside reader-written book reviews and weekly open threads. Readers get argumentative, carefully reasoned analysis plus community news such as meetups, surveys and grant-related projects.

CrashOut is Ioan Grillo's bilingual newsletter on organised crime, cartels, gangs, and related politics, with a focus on Mexico and US involvement in the drug war. Recent issues cover the arrest of a former Chihuahua attorney general over CIA involvement in a raid and a multi-part series on extortion networks in Mexico.

Economist Bryan Caplan's newsletter offers sharp, opinionated essays on social science, power, immigration, and public intellectuals, often built around experiments and debates. Readers get original arguments with a clear point of view, plus guest replies and analysis of how commentators express contempt and sentiment.

A weekly newsletter by law professor Steve Vladeck that explains Supreme Court rulings, procedure, and history, along with the Court's emergency docket and related legal controversies. Issues combine news roundups with in-depth analysis of topics such as DOJ conduct in court, Eighth Amendment doctrine, and Court reform.