Mars Review of Books
Substacknewsletter · by Noah Kumin
The Digital Home of the Mars Review of Books
- Audience
- Not shown publicly
- We show a dash rather than guess
- Observed frequency
- Monthly or less
- From 1 post indexed in the last 90 days
- Last post
- Sep 21, 2026
- 51 days ago
- Likely audience
- AI safety researchers
- Inferred from post content
Mars Review of Books is a Substack newsletter by Noah Kumin covering existential risk, artificial general intelligence and AI safety. NewsletterFIT indexed 1 post from it in the last 90 days, most recently on Sep 21, 2026.
Topics
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- If Anyone…
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Sponsors detected
No sponsored posts detected in the last 180 days of indexed posts.
Detected automatically from posts marked as sponsored. Detection can miss or misread placements.
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Subscriber momentum over time, every detected sponsor with the source post, companies and people it mentions, guests, and an alert when any of it changes.
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Compiled from public pages · refreshed Nov 8, 2026 · How NewsletterFIT collects and labels data
