The Ledger

Every statement that passed quotation and attribution checks. Mix any filter with any other: certainty 1/5, debate potential 5/5, or both at once.

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why aren't all 1,530 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 0 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable

Assertion Supported
Brockman: Elon, Sam, Ilya, and I Agreed OpenAI Needed For-Profit Structure
“Elon, Sam, Ilya, and I all agreed. That the only path forward for OpenAI, the only path to achieve the mission, was to create a for-profit entity associated with OpenAI of some form. And so we were committed to that direction, and that is something that we kne…”
Greg Brockman Apr 22, 2026 ▶ 5:48 Ai Goes Parabolic | OpenAI Co-Founder Greg Brockman
Assertion Supported
Sinclair: Research shows cellular epigenetic aging damage can be reversed
“And what we've discovered is that there are ways to, well, we discovered one of the main causes of scratches, that's broken chromosomes, which happens all the time in our bodies. Extreme cell damage also does that if we crush nerves. But we've also figured out…”
Dr. David Sinclair May 3, 2022 ▶ 8:17 David Sinclair: Reversing the Aging Process
Assertion Supported
Brockman: OpenAI models recently resolved an open quantum physics problem
“If you look at math and physics, we now are solving open math problems. We're solving Open physics problems and actually have resolved this particular physics problem recently in quantum physics in the opposite way that the community expected.”
Greg Brockman Apr 22, 2026 ▶ 34:39 Ai Goes Parabolic | OpenAI Co-Founder Greg Brockman
Assertion Contradicted
Liemandt: Paper shows 50% of UCSD freshmen cannot answer fifth-grade questions
“I think UC San Diego, one of the top schools, universities in our country, right? Just published a paper that, like, 50% of their freshmen can't answer fifth grade questions.”
Joe Liemandt Mar 31, 2026 ▶ 28:34 Alpha School: AI and The Future of Education | Joe Liemandt
Assertion Contradicted
Poilievre: Bill C-11 lets CRTC manipulate social algorithms
“We've seen this government has been trying to concentrate more and more media power, whether it's through C-Eleven Which allows the CRTC to manipulate social media algorithms to favor certain types of media”
Pierre Poilievre Dec 27, 2025 ▶ 36:14 Pierre Poilievre on the Role of Government, Freedom, and Affordability
Assertion Supported
Poilievre: Canada's 3% Population Growth Outpaces 1% Housing and Healthcare Growth
“The liberals have been bringing in a million people a year, growing our population almost three percent while our housing stock grows by one percent. Our job market grows by about the same and our availability of doctors and nurses grows by about That one or t…”
Pierre Poilievre Dec 27, 2025 ▶ 7:44 Pierre Poilievre on the Role of Government, Freedom, and Affordability
Assertion Supported
Poilievre: Canada gave Stellantis $15B while Stellantis cut Canadian jobs
“And we've seen it with the Stellantis deal, where we're in for fifteen billion dollars, and Stellantis is cutting jobs in Canada. Fifteen billion dollars for one company. That works out to almost a thousand dollars for every Canadian family in taxes for a comp…”
Pierre Poilievre Dec 27, 2025 ▶ 26:28 Pierre Poilievre on the Role of Government, Freedom, and Affordability
Assertion Supported
Dick's Destroyed $5M in Guns and Accepted $250M Annual Sales Loss
“After Parkland in 2018, where the shooter had bought a shotgun at Dix, Ed made a decision that would cost at least two hundred and fifty million dollars annually. No more assault rifles. No firearms to anyone under 21. They destroyed five million dollars in ex…”
Shane Parrish Sep 23, 2025 ▶ 1:07:03 Ed Stack: Lessons from Dick’s Sporting Goods [Outliers]
Assertion Supported
Deel planted a spy at Rippling who tried to flush their phone
“Like in the tech world, we're seeing a very interesting story play out between Rippling and Deal, which are these two payroll processors, and Deal planting a spy, and the spy, like, running into the bathroom, and then trying to flush a phone.”
Lulu Cheng Meservey Sep 16, 2025 ▶ 47:25 How To Build A Cult | Lulu Cheng Meservey
Assertion Supported
Johnson: 70% of therapists treating couples lack actual couples therapy training
“Because the fact of the matter is, 70% of mental health professionals in North America say they seek Couples now, because the demand is huge, and most of those people have not been trained in couples therapy.”
Dr. Sue Johnson Aug 19, 2025 ▶ 1:34:48 The Science of Lasting Love with Dr. Sue Johnson
Assertion Contradicted
Parrish: El Salvador replaced public teachers with Synthesis AI tutoring software
“Oh, so they developed this Synthesis, this AI company developed this tutor, which actually teaches kids, and it's so good that El Salvador, the country, just recently adopted and replaced their teachers.”
Shane Parrish Apr 15, 2025 ▶ 1:16:42 Bret Taylor: A Vision for AI’s Next Frontier
Assertion Contradicted
Poilievre: Mark Carney Claimed in 2021 There Would Be No Inflation
“Like, you know, Mr. Carney, for example, told us in 20, 21, don't worry about inflation. There won't be any inflation. We should print even more money. Well, he was totally wrong. Like, utterly wrong.”
Pierre Poilievre Apr 13, 2025 ▶ 19:06 Pierre Poilievre: What I Want to Build (and Break) To Fix Canada
Assertion Partly supported
Poilievre claims 25% of Canadians in poverty and food bank lineups doubled
“Now 25% of people are in poverty. Food bank lineups increased by over a hundred percent. One in four of our kids is going to school undernourished.”
Pierre Poilievre Apr 13, 2025 ▶ 21:49 Pierre Poilievre: What I Want to Build (and Break) To Fix Canada
Assertion Partly supported
Poilievre: 23,500 fast-tracked infrastructure projects produced zero documented environmental issues
“23,500 projects got done from concept to completion and In two years and the environment commissioner, an independent officer went out and did a full study and review and couldn't find a single environmental problem that had resulted from it.”
Pierre Poilievre Apr 13, 2025 ▶ 33:52 Pierre Poilievre: What I Want to Build (and Break) To Fix Canada
Assertion Supported
Poilievre: University of Ottawa Hired Convicted Paris Terrorist as Professor
“The University of Ottawa had hired a guy as a professor who had committed a terrorist attack in Paris before he came to Canada.”
Pierre Poilievre Apr 13, 2025 ▶ 55:12 Pierre Poilievre: What I Want to Build (and Break) To Fix Canada
Assertion Supported
Poilievre: Bill C-75 mandates releasing accused under least onerous conditions
“Bill C-seventy-five is the liberal bail law, and it requires judges release the accused under, quote, the earliest opportunity under the least onerous conditions.”
Pierre Poilievre Apr 13, 2025 ▶ 56:59 Pierre Poilievre: What I Want to Build (and Break) To Fix Canada
Assertion Contradicted
Controlled Studies Show Grieving People Suffer Worse Outcomes From Therapy
“There's a whole body of research that shows, you know, people who've gone through natural bereavement, the loss of a loved one, often feel worse after therapy. They did these controlled studies with You know, a control group who didn't, who lost a loved one, b…”
Abigail Shrier May 21, 2024 ▶ 31:17 Abigail Shrier: Why the Kids Aren’t Alright
Assertion Contradicted
Therapy Causes Breast Cancer Survivors to Experience Worse Anxiety and Depression
“Same thing with you know, breast cancer survivors, anxiety about it, depression about it. They did worse if they had gone to therapy and also alienation from a spouse, alienation from parents. All of these are classic iatrogenic effects of therapy, and there's…”
Abigail Shrier May 21, 2024 ▶ 31:47 Abigail Shrier: Why the Kids Aren’t Alright
Assertion Contradicted
No Robust Scientific Evidence Shows That Preventive Mental Health Therapy Works
“There's no good study showing preventive mental health works unless you're talking about things like a good life, like connection, you know, doing things for others, getting involved in community, dancing, you know, exercising, eating right.”
Abigail Shrier May 21, 2024 ▶ 37:26 Abigail Shrier: Why the Kids Aren’t Alright
Assertion Supported
Research Disproves the Claim That Yelling Causes Children Lifelong Trauma
“This is their idea that anything we do to get, anytime you yell at a kid that can traumatize a kid, that injury, emotional injury can be with them for a lifetime. It's not true. It's not what the best research has shown”
Abigail Shrier May 21, 2024 ▶ 11:18 Abigail Shrier: Why the Kids Aren’t Alright
Assertion Supported
Studies Show Kids Excluded From Social-Emotional Learning Have Lower Anxiety
“Researchers in Australia and England actually tested this, separate groups of researchers, and they were able to show that the kids in the control group who didn't go through these practices ended up happier, better adjusted, better in, in terms of depression …”
Abigail Shrier May 21, 2024 ▶ 19:07 Abigail Shrier: Why the Kids Aren’t Alright
Assertion Supported
NIMH Protocols Exclude Parents While Asking 8-Year-Olds About Suicide
“And it was created by our National Institute of Mental Health. This is a federal government agency, and they decided, and this is part of the protocol, kids age eight and up, they asked the parents to leave, and then they asked the children five escalating que…”
Abigail Shrier May 21, 2024 ▶ 25:41 Abigail Shrier: Why the Kids Aren’t Alright
Assertion Supported
CDC Research Shows Normalizing Suicide Discussions Increases Youth Suicide
“The CDC has great research on this, which is that if you present, if you normalize suicide with kids, if you present it as a means of coping with distress, you know, basically telegraphing, this is something other kids are doing. When they feel sad, you consta…”
Abigail Shrier May 21, 2024 ▶ 27:42 Abigail Shrier: Why the Kids Aren’t Alright
Assertion Partly supported
Karp: Totino's Pizza Rolls contain over 70 ingredients and banned chemicals
“Totino's has an ingredient label that's over 70 seven zero ingredients long. It doesn't even use real cheese. It actually says on the label imitation cheese. It has at least a dozen chemicals that are banned in other countries that are in the ingredient label.”
Jason Karp Apr 4, 2023 ▶ 1:08:37 Jason Karp: Live A Healthier Life
Assertion Contradicted
Natural gas produces more net global warming than coal
“Natural gas actually produces more global warming in almost every case than coal.”
Nathan Myhrvold Mar 21, 2023 ▶ 27:04 Nathan Myhrvold
Assertion Contradicted
Driving a Tesla on the US East Coast actively hurts the climate
“If you drive a Tesla and you live in the East Coast of the United States, statistically speaking, you're hurting the climate, not helping it.”
Nathan Myhrvold Mar 21, 2023 ▶ 29:37 Nathan Myhrvold
Assertion Supported
Sinclair: Data Shows Carnivore Diet Does Not Promote Long-Term Longevity
“I'm convinced and the data shows it from population studies that a carnivorous diet isn't a longevity producing diet in the long run, right?”
Dr. David Sinclair May 3, 2022 ▶ 22:45 David Sinclair: Reversing the Aging Process
Assertion Contradicted
Huberman: Mouth breathing causes deviated septums in most non-trauma cases
“The reason you have a deviated septum is because you're a mouth breather. There are rare exceptions where if people boxed or they had broken nose or something like that, but your sinuses can learn to dilate.”
Dr. Andrew Huberman Mar 22, 2022 ▶ 1:20:40 Andrew Huberman: The Science of Small Changes
Assertion Supported
Huberman: 1mg Melatonin Is ~100x Natural Secretion and Suppresses Puberty
“What you take in terms of one milligram melatonin, very small dosage, something like a hundred times what you naturally secrete. I get really concerned about this, especially in kids because melatonin is actually the hormone that suppresses the onset of pubert…”
Dr. Andrew Huberman Mar 22, 2022 ▶ 42:09 Andrew Huberman: The Science of Small Changes
Assertion Partly supported
Greenblatt: Nikola held a $6.5B valuation despite appearing completely fraudulent
“I was just looking after it's turned out that it appears to be mostly a fraud and they really haven't come up with anything that they promised still has a market cap of six and a half billion.”
Joel Greenblatt May 18, 2021 ▶ 32:22 #111 Joel Greenblatt: Investing Made Simple
Assertion Supported
Zurbuchen: Avoidable James Webb Space Telescope mistakes cost taxpayers $800 million
“During that time, as well as the year before, this team was so, had such challenges that it was making mistakes that cost the taxpayer of the United States, eight hundred million dollars. The mistakes themselves cost six hundred million dollars because of lack…”
Dr. Thomas Zurbuchen Apr 6, 2021 ▶ 1:00:50 #108 Thomas Zurbuchen: Adventures in Astrophysics
Assertion Supported
Barrett: No universal physical signature exists for any studied emotion
“In fact, there is no universal physical signature for any emotion that's ever been studied.”
Lisa Feldman Barrett Sep 15, 2020 ▶ 4:13 #92 Lisa Feldman Barrett: Balancing the Brain Budget
Assertion Supported
Kahneman: Income above $70,000 raises life satisfaction but not emotional happiness
“The research I did with Angus Deaton at Princeton, famous economist, we showed that in terms of happiness, in terms of emotional tone, positive and negative, Having a lot of money doesn't make you happier, but being poor makes you miserable. So that's above a …”
Daniel Kahneman Oct 15, 2019 ▶ 10:38 #68 Daniel Kahneman: Putting Your Intuition on Ice
Assertion Supported
Kahneman: Some evidence cited in 'Thinking, Fast and Slow' has been discredited
“There's been a replication crisis in psychology. And some of the stuff that I really believed in when I wrote Thinking Fast and Slow, some of that evidence has been discredited.”
Daniel Kahneman Oct 15, 2019 ▶ 1:01:00 #68 Daniel Kahneman: Putting Your Intuition on Ice
Assertion Supported
Johnson: 70% of North American therapists see couples without specialized training
“The fact of the matter is, 70% of mental health professionals in North America Say they see couples now, because the demand is huge, and most of those people have not been trained in couples therapy.”
Dr. Sue Johnson Jul 23, 2019 ▶ 1:28:20 #62 Dr. Sue Johnson: Cracking the Code of Love
Assertion Supported
Haidt: A child would wait 700,000 years in a car before abduction
“There are about a hundred people, a hundred kids abducted a year in the United States by strangers. At present rates of abduction, you'd have to leave your kid alone in a car in a parking lot for 700,000 years before they would probably be abducted.”
Jonathan Haidt Jul 2, 2019 ▶ 51:27 #61 Jonathan Haidt: When Good Intentions Go Bad
Assertion Supported
Markham: Children face higher abuse risks when an unrelated male moves in
“When a new man comes on the scene in a child's life, a new man is now with their mother, their risk of being abused or in fact being killed in childhood goes up.”
Dr. Laura Markham Feb 19, 2019 ▶ 1:18:59 #52 Dr. Laura Markham: Peaceful Parenting with
Assertion Contradicted
Robinson: Palo Alto Has the Highest Teenage Suicide Rate in the US
“Of all the cities in the United States, the one with the highest teenage suicide rate is Palo Alto, which is tax central, right?”
Adam Robinson Dec 11, 2018 ▶ 19:00 #47 Adam Robinson: Winning at the Great Game (Part 1)
Assertion Supported
Gawande: Spinal surgery for pain provides no average benefit at nine months
“In, ah, back surgery, we have a bunch of studies showing that when you do back surgery for pain, spinal, spinal surgery for pain as opposed for, as opposed to for neurological symptoms where you have actual nerve damage. But when it's for pain, the average peo…”
Dr. Atul Gawande Oct 2, 2018 ▶ 1:02:08 #42 Atul Gawande: The Path to Perpetual Progress
Assertion Supported
Oakley: Research Shows Visual and Auditory Learning Styles Are Scientifically Groundless
“There was a excellent study done by a woman named Beth Rogoski and what she did was she took one of the standard tests to kind of analyze a very widely used test that is used to distinguish an individual as to whether they're a visual learner or an auditory le…”
Barbara Oakley Apr 10, 2018 ▶ 1:12:46 #31 Barbara Oakley: Learning How to Learn
Assertion Supported
Type 2 Diabetes Is Reversible Without Drugs via Low-Carb Diets
“Even type two diabetes was irreversible. Once on insulin, always on insulin, basically, until you get taken down by the side effects. And now people are showing that on these diets, and maybe others as well, but they're showing that this is a reversible diseas…”
Gary Taubes Nov 30, 2017 ▶ 1:18:56 #25 Gary Taubes: Is Sugar Slowly Killing Us
Assertion Supported
Gurley: QQQ has probably beaten 80% to 90% of VC funds
“Some people have even highlighted the fact that, you know, QQQ has probably outperformed 80 or 90% of venture funds.”
Bill Gurley Jun 9, 2026 ▶ 44:58 Mental Models That Change How You Think | Bill Gurley
Assertion Contradicted
Pincus: Every Amazon C-staff member was once Jeff Bezos's technical assistant
“In fact, I believe every C staff member at Amazon was at one point Jeff Bezos' tech assistant, And Andy Jassy was, and the CEO.”
Mark Pincus Jun 2, 2026 ▶ 1:06:40 You Don’t Need To Innovate To Be Successful | FarmVille Creator
Assertion Supported
The World Bank Advised Against Building South Korea's Gyeongbu Expressway
“The World Bank told the Korean government the project was economically and technologically infeasible and would add little to Korea's development.”
Shane Parrish May 19, 2026 ▶ 1:17:13 The Hyundai Founder Who Put a Country on His Back
Assertion Supported
Korean Business Leaders Paid 500 Million Won Bi-Annually to President Park
“He and other major Korean business leaders had been making regular payments to Korean presidents as a matter of routine, For decades. Under Park Chung-hee, it was roughly five hundred million won twice a year.”
Shane Parrish May 19, 2026 ▶ 2:07:56 The Hyundai Founder Who Put a Country on His Back
Assertion Supported
Liemandt: Median US Student's Test Score Stagnates From Eighth Grade to Graduation
“The average kid in the US, like on this map score, this NWA map, there's a 300 point scale. If you take, I can't remember exact number but if you take an eighth grader, they will go up one point by senior year. How is that even possible? The median, that's the…”
Joe Liemandt Mar 31, 2026 ▶ 27:53 Alpha School: AI and The Future of Education | Joe Liemandt
Assertion Supported
Liemandt: Harvard study shows AI tutors outperform top Harvard teachers 2x
“Harvard published a paper that That their best teaching class is their physics one-on-one class, one of their best, you know, teachers, and they did an A-B test with AI tutors versus them, and they published that Harvard, you know, there's a great paper, Harva…”
Joe Liemandt Mar 31, 2026 ▶ 1:29:38 Alpha School: AI and The Future of Education | Joe Liemandt
Assertion Supported
Tenev: Harmonic solved at least one unsolved Erdős problem
“There's something like 1100 Erdos problems. About half of them are open unsolved. And yeah, Harmonic solved at least one of them.”
Vlad Tenev Mar 3, 2026 ▶ 53:05 The Near Death Experience of RobinHood | Vlad Tenev, Co-Founder
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