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16 September
Australian moral philosopher, Professor of Bioethics emeritus at Princeton University; author of Animal Liberation, Practical Ethics and The Life You Can Save.
9 in 10 children in the world’s poorest countries cannot read this sentence. In my new Substack issue, I look at why the global education crisis is not quite the crisis many of us think it is, and why some solutions are remarkably effective. #PeterSinger #Education #GlobalPoverty Related
15 September
Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.
Equity investors sell the dream; bond investors price the funeral. Here’s what they’re charging those undertaking the now debt-financed DataCenter Rush: **Debt & DataCenters: CHART OF THE DAY** FaceBook bankrupt in one scenario in fifteen in five years? SpaceX & Oracle one in six? That appears to be what those willing to lend to FaceBook right now are thinking... https://braddelong.substack.com/p/hyperscaler-debt-default-risk > 2026-09-15 data centers Related
14 September
Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.
“Does not replicate” is a very polite way of putting this. Overly polite. By a lot. By a factor of x100, perhaps: **CROSSPOST: ANDREW GELLMAN: “Replication Crisis”, Dan Ariely Files** Andrew’s title: “I am shocked, shocked to learn that this 2002 paper by Dan Ariely is based on dubious data & doesn’t replicate”; but in addition to frauds, there are the honest but non-robust too... https://braddelong.substack.com/p/crosspost-andrew-gellman-replication > 2026-09-14 Related
Economist and journalist; Financial Times columnist as The Undercover Economist, author of How to Make the World Add Up, and presenter of the Cautionary Tales podcast.
11 September
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Their words
Typing out a tag and pressing enter in Substack on a post no longer auto-focuses the textfield (impossible to add tags quick now, or just via keyboard I have to move the mouse to click).
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x.com
8 September
Writer of the newsletter bookbear express, on psychology, relationships, non-attachment and taste; based in San Francisco.
just realized replies to my substack posts to have been going to spam for, oh, about a year. SORRY IF YOU EMAILED ME 💔💔💔 Related
6 September
Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.
Forty-three years a teacher, a role model who treated every economy as a system worth understanding whole, and a friend to me, always insisting you check all the boxes—and then go away, think harder, and circle back: **In Memory of Jeffrey Williamson: SATURDAY “SLOUCHING” & FRIENDS** Economic history & related topics: The man who woke up eager, and the discipline of working as hard as you can to get the numbers right... https://braddelong.substack.com/p/in-memory-of-jeffrey-williamson-saturday > 2026-09-06 Related
Professor of strategic studies at St Andrews; wrote How the War Was Won and The Strategists, and writes weekly on the war in Ukraine.
5 September
Statistician and Chief Scientist at Posit (RStudio). Author of the ggplot2, dplyr and tidyverse R packages and of books on R programming and data science.
I wrote up the talk I gave for userR! 2025: tidydesign.substack.com/p/a-no-bulls.... A lot has changed in the last 12 months, but the bulk of this talk still resonates with me. Related
Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.
I asked a local instantiation of google/gemma4:31b-mlx to introduce itself to my new research assistants and point at its own workspace. What came back was a meditation on Plato, salamander brains, and why you should treat it like an eccentric roommate: **ThothBot Makes an Appearance in My RA-Group Telegram Chat: FRIDAY FOG & FLATLANDS** Living & working in Berkeley, California: An AI writes an introduction to my research assistants, & PanGram/SubStack grades it 100% not-slop; or, what... 1/ Google Related
4 September
Mathematical biologist; Senior Lecturer in the Department of Mathematical Sciences at the University of Bath and author of The Maths of Life and Death and How to Expect the Unexpected.
x.com I was on BBC Inside Science yesterday with Roland Pease as Presenter's Friend. We talked about a new way of dating an artefact, the appearance of a decagon on Saturn and a about a hint of dark matter. You can read all about it on my substack here: https://t.co/A6f2H6rcEg? 1/2 Related
Bluesky I was on BBC Inside Science yesterday with Roland Pease as Presenter's Friend. We talked about a new way of dating an artefact, the appearance of a decagon on Saturn and a about a hint of dark matter. You can read all about it on my substack here: kityates.substack.co...? 1/2 Related
3 September
Writer and programmer; co-founder of the software studio Postlight and author of the Bloomberg Businessweek essay What Is Code?
A neat project at work: We built an archive for Lapham's Quarterly as part of its (gradual, ongoing) relaunch—full access if you subscribe. It's been nice to see and read it again. Ping if you find bugs. archive.laphamsquarterly.org (they relaunched temporarily at laphamsquarterly.substack.com). Related
Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.
Paul Krugman’s Substack has become essential reading, and this piece exemplifies why: a clean takedown of the Trump-Bessent claim that Ukraine and “the conflict Iran” bear responsibility for high fuel prices today: **CROSSPOST: PAUL KRUGMAN: Imperialist Delusions & the Price of Fuel** Paul’s subheadline: “Trump & Bessent tried to betray Ukraine. Now they don’t have any cards”… https://braddelong.substack.com/p/crosspost-paul-krugman-imperialist > 2026-09-03 Related
28 August
Economics professor at George Mason University and author of The Myth of the Rational Voter, Selfish Reasons to Have More Kids, The Case Against Education and Open Borders. Writes Bet On It.
AMA Today at 5PM ET I’m doing an AMA on Substack Live today at 5 PM ET. If you’re a subscriber, expect an email a minute or so before. If you want to participate, subscribe. I’m happy to talk about the three books I have coming out over th…
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27 August
Independent iOS developer and podcaster; co-hosts the Accidental Tech Podcast and Analog(ue), and makes the apps Callsheet, MaskerAid and Peek-a-View.
25 August
Essayist; writes Astral Codex Ten, previously Slate Star Codex.
10 August
Swedish programmer with degrees in engineering and psychology, author of Your Code as a Crime Scene and founder of CodeScene.
I made a conscious effort to unplug during my vacation. Coming back, I noticed the lovely new Substack feature: Scan for AI text. Coincidentally, I had updated the About section for my Substack a while back with some notes on what my blog is *not*: "## What this isn’t Content creation isn’t my job. I write these articles because I a) love to write, and b) care deeply about our profession. It’s a fun hobby, not a job. Consequently, I don’t feel any pressure to publish on a schedule. I’d rather publish less and maintain a higher quality bar. So far, that has worked out to roughly one article pe… Related
31 July
Author of Quiet: The Power of Introverts and of Bittersweet; writes The Quiet Life newsletter.
21 July
Economist at the Hoover Institution; wrote The Fiscal Theory of the Price Level and blogs as The Grumpy Economist.
8 July
Economist; Professor of the Practice of Economic Policy at Harvard, nonresident senior fellow at the Peterson Institute, and Chairman of the US Council of Economic Advisers from 2013 to 2017.
One of the most consequential and thoughtful economic policymakers of last 30+ years--@genebsperling --is now on Substack, I subscribed. Related
1 July
Machine learning engineer and independent AI consultant. He writes about LLM evaluation, tooling and applied ML at hamel.dev, and previously worked on machine learning at GitHub.
16 June
Professor of psychology at the University of Toronto and Brooks and Suzanne Ragen Professor Emeritus at Yale. Author of Against Empathy, The Sweet Spot and Psych, and writer of the Small Potatoes newsletter.
5 June
Writer and former Substack product manager; publishes essays and interviews on technology, culture and China at jasmi.news.
29 May
Writer and former Substack product manager; publishes essays and interviews on technology, culture and China at jasmi.news.
thank you substack & sana & odd lots & pangram & new york city !!! back 🔜 Related
20 May
Professor of psychology at the University of Toronto and Brooks and Suzanne Ragen Professor Emeritus at Yale. Author of Against Empathy, The Sweet Spot and Psych, and writer of the Small Potatoes newsletter.
10 May
Novelist and critic, author of The Body Scout and Metallic Realms; writes the newsletter Counter Craft on fiction craft and the publishing industry.
26 March
Founder of Pinboard; writes Idle Words — talks and essays on the web, aviation, politics and travel.
New Martian Writing If you've enjoyed my writing about space over the years, I invite you to subscribe to my new substack newsletter, titled 'Mars for the Rest of Us', where I've been posting weekly essays on topics around Mars exploration…
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16 March
Economist; Ronald A. Kurtz Professor of Entrepreneurship at MIT Sloan, former chief economist of the International Monetary Fund, and co-author of 13 Bankers and Power and Progress.
https://t.co/BByvQpLiwH latest episode of Power and Consequences (Gary Gensler and Simon Johnson) on Economic Impacts from the Iran Conflict; substack post links to data sources and suggested additional reading #OOTT Related
4 March
Swedish essayist who writes Escaping Flatland, a newsletter of essays on relationships, thinking, writing and homeschooling.
An underappreciated thing about Substack is that it has slow virality. That social media thing where you have to churn out content because it is forgotten after three days is much less the case here. If you want to, you can put in serious effort into making a properly good piece, and it will keep getting read for years. This is a very good thing for both readers and writers, and I wish more people leaned into making few but exceptional pieces: doing things well is a viable strategy here in a way that it wasn’t on older platforms. Related
3 March
Swedish essayist who writes Escaping Flatland, a newsletter of essays on relationships, thinking, writing and homeschooling.
When my Substack had sub-100 subscribers, I would contact nearly everyone who commented (on internet forums where I cross posted my essays). Most people are up for a conversation if they think you wrote a decent post, but it usually doesn’t happen if you’re not the one asking for it. I met some truly extraordinary people that way, and grew so much from our conversations. I think it is a very underrated way to use the internet. Related
1 March
Writer, photographer and software maker based in Japan; publishes long-form essays, walking newsletters and self-made books at craigmod.com.
Their words
I don't use Patreon or Substack, I built my own platform atop Memberful.
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craigmod.com
5 January
Game designer and director of the NYU Game Center; made Universal Paperclips and writes Donkeyspace.
30 December 2025
AI research engineer working on large language models. He writes the Ahead of AI newsletter and is the author of Build a Large Language Model (From Scratch).
14 December 2025
Co-founder and CTO of Honeycomb; previously an infrastructure engineer at Parse, Facebook and Linden Lab, and co-author of Observability Engineering.
18 November 2025
Writer and former Substack product manager; publishes essays and interviews on technology, culture and China at jasmi.news.
2 August 2025
Writer and former Substack product manager; publishes essays and interviews on technology, culture and China at jasmi.news.
Their words
I'm getting into screen-time blocking. I use the app Opal on a recommendation from Lucas Gelfond. It won't let me scroll Twitter, Substack, or Instagram for 80% of the day. Gmail is also blocked from 11pm to 8am.
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jasmi.news
30 June 2025
Writes Don't Worry About the Vase, a near-daily account of what is happening in AI and what they think it means. Former Magic: the Gathering pro and trader; unusually willing to put a number on a belief and to grade their own past calls.
Their words
I find a dose of these perspectives highly valuable.
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thezvi.substack.com
Their words
That still leaves this as my top Substack or personal blog.
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thezvi.substack.com
25 May 2025
Psychiatrist and clinical assistant professor at Case Western Reserve University. Writes Psychiatry at the Margins on the philosophical and scientific arguments inside psychiatry and the psy-sciences.
Their words
Recently I reviewed Adrian Kind’s 2025 book, “How Does the Psychiatrist Know?: On the Epistemology of Psychiatric Diagnostic Reasoning,” on this substack. I had mentioned that Kind’s book is the first systematic, in-depth, book-length philosophical investigation into how psychiatrists arrive at their diagnostic conclusions.
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psychiatrymargins.com
6 January 2025
Writer of the blog Putanumonit and the newsletter Second Person, on rationality, dating and probability; based in New York.
Their words
I suspect that both Substack and OnlyFans may become a Girardian bubble. Everyone joins after hearing from the few people who succeed; the thousands who slink away after months of effort netted them a mere 17 subscribers usually do so quietly.
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putanumonit.com
11 October 2024
Writer and consultant on technology, organizations and history; founded the blog Ribbonfarm and now writes the Contraptions newsletter.
20 July 2024
Investment researcher and engineer who runs Lyn Alden Investment Strategy, writing on macroeconomics, currency systems and equity analysis.
Nothing matches. Show everything
A korrent is a belief a person has stated in their own words: one
sentence stating the claim, backed by a quote and a source, kept at
korrents.com .
Under a name here, the quoted block is what they actually said.
The korrent beneath it is the claim those words support, in
korrents' wording — tap it to see the record, its source, and who
else holds it.
Nobody here wrote their own korrents. They are compiled from public
statements, and a person can change their mind, which is recorded too.
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About the English under a post
Some people here publish in a language other than English. Where they
do, this site shows a machine translation beneath the post, in
this typeface — the site's own, not theirs.
The post itself is never changed, moved or hidden: what is set in the
serif above is exactly what the person published, and it is what to
quote them on. A translation can be wrong in ways that matter,
especially about tone.
Only the post's own words are translated. A quoted post, a linked
article and a belief on korrents.com
are left in their original language.
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