About

A universal knowledge library, delivered by email

My Daily Knowledge helps curious people become well-rounded and knowledgeable about the world: a little about everything, or a lot about one subject, one well-sourced lesson at a time.

Why we exist

Most of what we read online is designed to be scrolled past: fragments, headlines and opinions without the foundations needed to make sense of them. Understanding a subject properly takes something different: a sequence that starts where you are, explains ideas carefully, and builds on what came before.

My Daily Knowledge is built around that idea. The aim is not to make you a specialist, unless you want to be, but to help you understand many subjects over time: countries and regions, world history, political systems and ideologies, civilisations, science and technology, economies, cultures and religions. You choose what and how you want to learn. We plan the lessons, research each one from reliable sources, and send it to your inbox when you want to read it.

How it works

The atlas covers every major field of knowledge, from world history and politics to physics, medicine, music and sport, each organised into subjects, topics and lessons from first principles to specialist level. Many subjects can also be studied place by place, for every country in the world. The knowledge fields page lists them all.

You can learn a little about everything with Universal Knowledge, take one complete lesson on each topic you choose, follow a series of connected lessons or a comprehensive course, explore places or topics one lesson at a time, or mix these. If something is missing, you can describe it in your own words. You set your level in each field, how long articles should be, and the days and times you want them. Each email is a complete lesson with learning objectives, a clear explanation, key concepts, numbered references and an optional quiz.

Our use of AI

We are open about this: the research and writing are done by AI, using Anthropic's Claude models. What makes the articles trustworthy is not the model but the process around it. Research is limited to a registry of reliable publishers, every source is fetched and verified by our own system, the writing may use only facts found in those sources, and code and a separate fact-checking model check every draft. An article that fails is never sent.

No process is perfect. Every claim is cited so that you can check it, and we correct errors when readers report them.

Editorial principles

  • Accuracy before volume. We would rather delay a lesson than send one we cannot support.
  • Show the evidence. Every article cites its sources with links, and marks interpretation and contested points as such.
  • Stay neutral. Political parties, governments, ideologies and religions are described neutrally and with respect. A body's own account of itself is attributed to it and set beside independent scholarship.
  • Breadth without repetition. Lessons rotate across fields and places, and a topic you have had is taught again only on purpose.
  • Teach, do not advise. Articles on medicine, law and money explain how things work; they never tell you what to do in your own situation.
  • Respect creators. Articles are original explanations. We link to sources rather than republish them, respect robots.txt and never bypass paywalls.
  • Respect readers. No advertising in lessons, one-click unsubscribe, and your data can be downloaded or deleted at any time.

What we build on

My Daily Knowledge uses a small number of established services: Supabase for accounts and the database, Stripe for payments, Resend for sending email, Anthropic's Claude for research and writing, and Vercel for hosting. Our privacy policy explains what each of them receives.

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