# 3Blue1Brown mailing list

> Stay notified about new videos and occasional updates on related projects.

- **Platform:** substack
- **Category:** Education
- **Subscribers:** 91K
- **Weekly growth:** +1.1%
- **Monthly growth:** +6.0%
- **Last updated:** 2026-10-15
- **URL:** https://3blue1brown.substack.com
- **Profile:** https://newsletterinsights.io/newsletter/3blue1brown

## Recent Posts

- [The Cosmic Distance Ladder with Terence Tao, part 1](https://3blue1brown.substack.com/p/the-cosmic-distance-ladder-with-terence)
- [The Collie and the Pug](https://3blue1brown.substack.com/p/the-collie-and-the-pug)
- [The most underappreciated formula](https://3blue1brown.substack.com/p/the-most-underappreciated-formula)
- [Reinventing Entropy](https://3blue1brown.substack.com/p/reinventing-entropy)
- [The cosmic distance ladder with Terence Tao, part 2](https://3blue1brown.substack.com/p/the-cosmic-distance-ladder-with-terence-f74)
- [This open problem taught me what topology is](https://3blue1brown.substack.com/p/this-open-problem-taught-me-what)
- [New video: Why 4d geometry makes me sad](https://3blue1brown.substack.com/p/new-video-why-4d-geometry-makes-me)
- [But what is cross-entropy?](https://3blue1brown.substack.com/p/but-what-is-cross-entropy)
- [How Laplace transforms solve differential equations](https://3blue1brown.substack.com/p/how-laplace-transforms-solve-differential)
- [Recruiting, both for myself and for other companies (potentially yours)](https://3blue1brown.substack.com/p/recruiting-both-for-myself-and-for)