A Sputnik Intelligence collection: the newsletters and podcasts covering one market, picked by hand. Everything below — who publishes here, what they talk about, who advertises — is a live query against our corpus, refreshed hourly.
Ideas & Essays
General-interest essayists: history, culture, philosophy, and science writing.
We index newsletters and podcasts — where named humans still talk to real audiences, and the one part of the media your monitoring tool can't see — and make them searchable by your AI agent. This page is one market's worth of that corpus.
- Sources
- 113
- Posts and episodes
- 18,982
- Podcasts
- 34
- Newsletters
- 88
- Latest post
- 1 hour ago
Who publishes here — the last 90 days
Tyler Cowen
354 posts
Economist, information collector.
Matt O'Dowd
184 posts
Maria Popova
143 posts
David Gemeinhardt
96 posts
I write about what I call the Versailles Century (1682-1789), that period when the Kings of France resided in...
Ryan Holiday
58 posts
Alex Tabarrok
53 posts
Ted Gioia
51 posts
Ted Gioia is author of The Honest Broker on Substack (https://www.honest-broker.com)—a frank and opinionated g...
Simon Haisell
48 posts
Host of Footnotes & Tangents: slow reads of great books. I write guides for the books I love and run read-alon...
Kevin M. Levin
46 posts
I am a NJ born and Boston-based historian and speaker. Author of numerous books including the forthcoming, A G...
Allan John (What Is Stoicism?)
45 posts
Practical philosophy to help you (and me): 💀LEARN from the past ⏳PLAN for the future 🌷LIVE in the present
Austin Kleon
44 posts
I’m a writer who draws. Author of STEAL LIKE AN ARTIST and other bestsellers. My newest one is DON’T CALL IT A...
Ranked by how many posts and episodes each person is credited on across this collection — writers by byline, hosts and guests from the transcript. These are the names to pitch, book, or watch.
What they're talking about — the last 90 days
Who advertises here — the last 90 days
Brands read out in ad slots and sponsor mentions in these newsletters and episodes. This is the view that answers "where is my competition advertising?" — no other monitoring tool can see inside a podcast ad read.
Every source in this collection — 113 of them
| Source | Type | Posts | Latest |
|---|---|---|---|
| The Tim Ferriss Show | Podcast | 2,092 | 22 hours ago |
| Lex Fridman Podcast | Podcast | 1,365 | 2 days ago |
| StarTalk Radio | Podcast | 1,118 | 3 days ago |
| In Our Time (BBC) | Podcast | 1,101 | 1 day ago |
| The Daily Stoic | Podcast | 941 | 5 hours ago |
| Freakonomics Radio | Podcast | 923 | 2 days ago |
| Radiolab | Podcast | 663 | 6 days ago |
| Hidden Brain | Podcast | 648 | 3 days ago |
| Into the Impossible With Brian Keating | Podcast | 620 | 2 days ago |
| Hermitix | Podcast | 568 | 1 day ago |
| The Knowledge Project (Shane Parrish) | Podcast | 562 | 1 day ago |
| The Ezra Klein Show | Podcast | 520 | 3 days ago |
| Marginal Revolution | Blog | 438 | 5 hours ago |
| Conversations with Tyler | Podcast | 386 | 1 week ago |
| Very Bad Wizards | Podcast | 342 | 2 days ago |
| Gastropod | Podcast | 292 | 1 week ago |
| Slow Boring (Matt Yglesias) | Podcast | 286 | 2 hours ago |
| The Marginalian (Maria Popova) | Blog | 286 | 1 day ago |
| Conversations with Coleman | Podcast | 252 | 4 days ago |
| Razib Khan's Unsupervised Learning | Podcast | 230 | 2 days ago |
| Paul Graham: Essays | Blog | 219 | — |
| Works in Progress | Podcast | 200 | 1 week ago |
| PBS Space Time | Podcast | 198 | 16 hours ago |
| Overthink | Podcast | 180 | 3 days ago |
| The Origins Podcast with Lawrence Krauss | Podcast | 170 | 2 days ago |
| Within Reason | Podcast | 158 | 1 day ago |
| Aeon | Blog | 152 | 2 hours ago |
| Not Boring | Blog | 144 | 3 weeks ago |
| How to Take Over the World | Podcast | 142 | 2 weeks ago |
| Footnotes and Tangents | Newsletter | 122 | 6 hours ago |
| Science History Podcast | Podcast | 101 | 2 weeks ago |
| Versailles Century | Newsletter | 96 | 22 hours ago |
| What Is Stoicism? 🌷 | Newsletter | 96 | 8 hours ago |
| World War II Today | Newsletter | 94 | 6 hours ago |
| Living Proof: the Isaac Newton Institute podcast | Podcast | 92 | 3 weeks ago |
| The Honest Broker | Podcast | 91 | 20 hours ago |
| Proud to be an American, by Tara Ross | Newsletter | 87 | 1 day ago |
| Bentham's Newsletter | Newsletter | 85 | 21 hours ago |
| Civil War Memory | Newsletter | 85 | 1 day ago |
| Austin Kleon | Newsletter | 84 | 3 days ago |
| The Republic of Letters | Newsletter | 76 | 19 hours ago |
| Philosophy Quotes | Newsletter | 75 | 1 day ago |
| Classical Wisdom | Newsletter | 70 | 22 hours ago |
| Why is this interesting? | Newsletter | 67 | 18 hours ago |
| Arts & Letters Daily | Newsletter | 65 | 17 hours ago |
| Noahpinion | Newsletter | 64 | 1 day ago |
| Wait But Why | Blog | 64 | 3 months ago |
| The Metropolitan Review | Newsletter | 61 | 1 day ago |
| Astral Codex Ten | Newsletter | 60 | 16 hours ago |
| Michael Meade | Newsletter | 56 | 14 hours ago |
| Uncharted Territories (Tomas Pueyo) | Blog | 54 | 23 hours ago |
| The Stoic Manual | Newsletter | 52 | 2 days ago |
| Rob Henderson's Newsletter | Newsletter | 50 | 22 hours ago |
| Brown History | Newsletter | 49 | 22 hours ago |
| The Believer | Newsletter | 49 | 1 day ago |
| Living Myth | Podcast | 48 | 1 day ago |
| The Hinternet | Newsletter | 48 | 1 day ago |
| feminism for all | Newsletter | 48 | 2 days ago |
| Overcoming Bias | Newsletter | 47 | 1 day ago |
| MILLER’S BOOK REVIEW 📚 | Newsletter | 46 | 2 days ago |
| Metatrends | Newsletter | 46 | 1 week ago |
| The Walrus | Newsletter | 44 | 1 hour ago |
| More to Hate | Newsletter | 42 | 1 day ago |
| Under the Net | Newsletter | 42 | 3 weeks ago |
| Construction Physics | Newsletter | 41 | 1 day ago |
| De Geschiedenisreis | Newsletter | 40 | 1 day ago |
| Historielunden - en podcast om historia från Kulturen i Lund | Newsletter | 39 | 2 days ago |
| Stoic Reset | Newsletter | 39 | 1 day ago |
| This Day (A History Show) | Newsletter | 39 | 1 week ago |
| Aquinas and Beyond | Newsletter | 38 | 18 hours ago |
| Starts With A Bang | Newsletter | 38 | 20 hours ago |
| Stoic Wisdoms | Newsletter | 38 | 1 day ago |
| Uncharted Territories | Newsletter | 38 | 23 hours ago |
| Grand Hotel Abyss | Newsletter | 37 | 1 hour ago |
| Mini Philosophy | Newsletter | 36 | 6 days ago |
| Stoicism: Philosophy as a Way of Life | Newsletter | 36 | 2 days ago |
| ŽIŽEK GOADS AND PRODS | Newsletter | 35 | 1 day ago |
| Asterisk Magazine | Newsletter | 34 | 1 day ago |
| Derek Thompson | Newsletter | 34 | 2 days ago |
| Fake Noûs | Newsletter | 32 | 5 days ago |
| Russian Art & Empire | Newsletter | 32 | 5 days ago |
| Dan Ariely Looks at Life | Newsletter | 31 | 4 days ago |
| My Life in the Past | Newsletter | 31 | 2 days ago |
| BordoLines | Newsletter | 30 | 2 days ago |
| Histories | Newsletter | 30 | 1 week ago |
| The Overlook | Newsletter | 30 | 2 days ago |
| African History Extra | Newsletter | 29 | 4 days ago |
| Coffee with Clio | Newsletter | 29 | 1 week ago |
| The H Files by Helen Castor | Newsletter | 29 | 1 week ago |
| Andy Masley | Newsletter | 28 | 3 weeks ago |
| Alex O'Connor | Newsletter | 27 | 18 hours ago |
| Critical Mass | Newsletter | 27 | 2 days ago |
| Journal of Free Black Thought | Newsletter | 27 | 4 days ago |
| Wondercabinet | Newsletter | 26 | 20 hours ago |
| Good Thoughts | Newsletter | 25 | 3 weeks ago |
| Granted | Newsletter | 25 | 1 month ago |
| Liberties Journal | Newsletter | 25 | 1 week ago |
| The Ruffian | Newsletter | 25 | 1 week ago |
| Washington Review of Books | Newsletter | 25 | 2 days ago |
| next BIG future | Newsletter | 25 | 4 days ago |
| Cabinet of Wonders | Newsletter | 24 | 1 week ago |
| Small Potatoes | Newsletter | 24 | 1 week ago |
| The Redneck Intellectual | Newsletter | 24 | 2 weeks ago |
| @jasmine’s substack | Newsletter | 23 | 1 month ago |
| Breaking the News | Newsletter | 23 | 1 month ago |
| Make Me Good Soil | Newsletter | 23 | 1 week ago |
| Roots & Wings with Frank Furedi | Newsletter | 23 | 2 weeks ago |
| Sinead Bovell | Newsletter | 23 | 3 weeks ago |
| Verso: An Art History Podcast | Podcast | 21 | 4 days ago |
| A Collection of Unmitigated Pedantry | Blog | 19 | 6 days ago |
| Love of All Wisdom | Blog | 19 | 4 days ago |
| Beyond Proof: Stories in Mathematics | Podcast | 18 | 3 days ago |
| Cal Newport | Blog | 16 | 3 days ago |
Where these numbers come from
- Sources are hand-picked by us for this market. Post and episode counts are everything we have indexed for them, back to whatever archive the source publishes.
- People, topics and advertisers are counted over the last 90 days only, so they describe what the collection is doing now rather than its whole history.
- A person is counted once per post, whether they wrote it, hosted it, or appeared on it as a guest. Podcast credits come from the transcript.
- Everything on this page is a live query against the corpus, refreshed hourly.
