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Artwork for Astral Codex Ten Podcast

Astral Codex Ten Podcast

Jeremiah
Artificial Intelligence
Scott Alexander
Openai
ACX Grants
Education
Consciousness
Covid-19
Trump
Boomers
Prediction Markets
United States
Book Review Contest
Intelligence
Heritability
Roman Empire
AI Art Turing Test
Substack
AI Safety
China
Parenting

The official audio version of Astral Codex Ten, with an archive of posts from Slate Star Codex. It's just me reading Scott Alexander's blog posts.

PublishesDailyEpisodes1179Founded9 years ago
Number of ListenersCategories
TechnologyScience

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Artwork for Astral Codex Ten Podcast

Latest Episodes

[I haven't independently verified each link. On average, commenters will end up spotting evidence that around two or three of the links in each links post are wrong or misleading. I correct these as I see them, and will highlight important correction... more

Cassie Pritchard, on Twitter:

I get why so many liberals are fundamentally disdainful of democracy these days—it's because liberalism is exhausted. It's out of answers. Liberalism won, it delivered the world it promised, and people still aren't con... more

Finalist #2 in the Book Review Contest

[This is one of the finalists in the 2026 book review contest, written by an ACX reader who will remain anonymous until after voting is done. I'll be posting about one of these a week for several months. When ... more

"Stochastic terrorism" is the idea that if you spread fear and mistrust against a target, then eventually people will commit violence against that target, and it will be your fault, even if you never specifically said the words "you should commit vio... more

Key Facts

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Recent Guests

Alexander Sasha Putilin
Guest author reading their own post on neural entrainment and replication of an EEG learning study
Independent researcher / ACX grant recipient
Episode: Never Cross a River Four Feet Deep on Average
David Speiser
Author of Ollentay review; wrote the guest post read on the episode
Episode: Last Rights
William Friedman
A history enthusiast and author residing in California
Palace Fiction
Episode: Non-Book Review Contest 2025 Winners
Edward Nevraumont
An author who wrote an earlier finalist review, now focusing on educational results for his children
Personal blog
Episode: Non-Book Review Contest 2025 Winners
Alex Bates
Statistician and health economist from Oxford
Personal blog
Episode: Non-Book Review Contest 2025 Winners
Alex King
Engineer from San Francisco involved in community mentoring and blogging
King of Daydreams
Episode: Non-Book Review Contest 2025 Winners
Mika Estes
Neuroscientist and immunologist managing a research lab
The Journal Club with Mika
Episode: Non-Book Review Contest 2025 Winners
Chris Finkel
Manager of a makerspace in Central Florida
The Viewer From Nowhere
Episode: Non-Book Review Contest 2025 Winners
John V.
Neuroscientist and AI researcher
Theories of Intelligence
Episode: Non-Book Review Contest 2025 Winners

Host

Scott Alexander
Host reading and presenting Scott Alexander's blog posts; provides an audio version of the Slate Star Codex/Astral Codex Ten archive.

Reviews

4.8 out of 5 stars from 377 ratings
  • Incredibly good

    Worth listening for hundreds of hours

    Apple Podcasts
    5
    macneilmacneil
    United States2 years ago
  • A rare open minded and novel consideration of the concept of "race" which deftly avoids polarized viewpoints

    Podcast Addict
    5
    indigonegative
    2 years ago
  • Awesome

    Awesome but sometimes confusing to listen to due to the original being text

    Apple Podcasts
    5
    Rallzor
    Sweden3 years ago
  • The most interesting podcast.

    The content of Scott Alexander’s blog is phenomenal, and the narration is perfect. This is the best podcast.

    Apple Podcasts
    5
    Tamarindophoto
    United States3 years ago
  • Excellent audio and great content

    Excellent audio and great content

    Apple Podcasts
    5
    Sage5763
    Australia3 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

- Widely regarded as one of the best ways to consume slate star codex content on the go; highly recommended by fans.
- High-quality narration and thoughtful essays; listeners appreciate accessibility of long posts.
- The host delivers the blog content in a clear, engaging reading voice; some listeners noted changes in narration style.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#185
New Zealand/Technology
Apple Podcasts
#190
Denmark/Technology
Apple Podcasts
#194
Israel/Technology

Talking Points

Recent interactions between the hosts and their guests.

Defying Cavity: Lantern Bioworks FAQ
Q: Is it dangerous to have bacteria secreting alcohol in your mouth? Will you get drunk?
Most people already have some alcohol secreting bacteria in their bodies, and the amount produced by BCS3L1 is not significant enough to cause intoxication.
Defying Cavity: Lantern Bioworks FAQ
Q: How do you use it?
To apply, you brush your teeth with a special pumice-based product that removes your existing tooth bacteria, then swab it on with a Q-tip.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

Listeners per Episode
Gender Skew
Location
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Which podcasts are similar to Astral Codex Ten Podcast?

These podcasts share a similar audience with Astral Codex Ten Podcast:

1. Dwarkesh Podcast
2. Complex Systems with Patrick McKenzie (patio11)
3. Manifold
4. Conversations with Tyler
5. The Good Fight

How many episodes of Astral Codex Ten Podcast are there?

Astral Codex Ten Podcast launched 9 years ago and published 1179 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Astral Codex Ten Podcast?

Recent guests on Astral Codex Ten Podcast include:

1. Alexander Sasha Putilin
2. David Speiser
3. William Friedman
4. Edward Nevraumont
5. Alex Bates
6. Alex King
7. Mika Estes
8. Chris Finkel

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