Latest Corrections

Browse completed fact-check investigations. Each correction identifies empirically incorrect or unambiguously misleading claims in online posts.

LessWrong Mar 3, 2026 at 04:39 PM
www.lesswrong.com/posts/MwQRucYo6BZZwjKE7/einstein-s-arrogan...
  • Eddington led the Príncipe expedition, but the Brazil (Sobral) expedition was led/occupied by Andrew Crommelin (with Charles Davidson), not Eddington.
Substack Mar 3, 2026 at 03:28 AM
www.astralcodexten.com/p/all-lawful-use-much-more-than-you
  • The USA FREEDOM Act ended the NSA’s Section 215 bulk *telephony* metadata program, but the Bush-era warrantless surveillance “program” described here also included an Internet metadata dragnet that was terminated in 2011—years before the USA FREEDOM Act.
Wikipedia Mar 3, 2026 at 03:25 AM
en.wikipedia.org/wiki/Peep_Show_(British_TV_series)
  • The writer’s surname is misspelled here. It should be Karey Dornetto (not “Dorenetto”).
Wikipedia Mar 3, 2026 at 03:23 AM
en.wikipedia.org/wiki/Prelude_to_the_2026_Iran_conflict
  • Iran’s January 2026 shutdown was very long, but it was not the longest internet blackout ever recorded; multiple documented shutdowns elsewhere have lasted far longer (e.g., India’s 212‑day Manipur blackout in 2023).
Wikipedia Mar 3, 2026 at 02:37 AM
en.wikipedia.org/wiki/Maidstone
  • The progressive-rock musician Robert Webb (keyboardist/vocalist for the band England) was already recording/working as a musician in 1972–1974, so he cannot have been born in 1972; this line appears to mix him up with comedian Robert Webb (born 1972).
  • Maidstone Museum is not open seven days a week; it is closed on Sundays and its opening days vary by season.
Wikipedia Mar 3, 2026 at 01:17 AM
en.wikipedia.org/wiki/Johnny_Flynn
  • The Russian novelist’s name is spelled “Fyodor Dostoevsky,” not “Fydor Dostoyevsky.”
  • In the film Song One, Johnny Flynn’s character is named James Forester (one “r”), not “James Forrester.”
Wikipedia Mar 3, 2026 at 01:16 AM
en.wikipedia.org/wiki/Emma_(2020_film)
  • In the U.S., Emma. was released by Focus Features, not Universal Pictures (Universal is the parent company and handled some international distribution).
Wikipedia Mar 3, 2026 at 01:11 AM
en.wikipedia.org/wiki/Ayatollah
  • The Arabic word الأنعام (al-anʿām) means livestock/cattle, not “mankind”; “mankind” is الأنام (al-anām).
  • Ibn Muṭahhar al-Ḥillī (al-ʿAllāma al-Ḥillī) died in 1325 CE (726 AH), not 1374.
Wikipedia Mar 3, 2026 at 12:29 AM
en.wikipedia.org/wiki/Mary_Queen_of_Scots_(2018_film)
  • Elizabeth I never had children and (during her life) refused to name an heir; she did not “have a child or name an heir.”
Wikipedia Mar 2, 2026 at 10:23 PM
en.wikipedia.org/wiki/Paul_Thomas_Anderson
  • Boogie Nights received 3 Oscar nominations, but it won 0 Academy Awards (not 2).
Wikipedia Mar 2, 2026 at 06:29 PM
en.wikipedia.org/wiki/William_Francis_Buckley
  • Contemporary reporting says Buckley’s remains were found by Lebanese police (after an anonymous tip), not recovered by Major Jens Nielsen.
Wikipedia Mar 2, 2026 at 06:28 PM
en.wikipedia.org/wiki/Islamic_Jihad_Organization
  • Credible accounts of the April 18, 1983 U.S. Embassy Beirut bombing report 7–8 CIA officers/employees killed, not 9.
Substack Mar 2, 2026 at 04:18 PM
www.astralcodexten.com/p/record-low-crime-rates-are-real-not
  • The NCVS does not ask about victimization over “the past year” as its core reference period; BJS states annual NCVS estimates are based on crimes experienced during the prior 6 months (excluding the interview month).
LessWrong Mar 2, 2026 at 02:07 PM
www.lesswrong.com/posts/amLbdiP9sTutJQdHA/openai-employees-n...
  • On X, authors can delete their own posts at any time; Community Notes can’t prevent deletion.
LessWrong Mar 2, 2026 at 02:03 PM
www.lesswrong.com/posts/4mvphwx5pdsZLMmpY/recent-ai-model-pr...
  • ARC Prize has publicly published evaluations involving DeepSeek and o3-mini (and also published ARC-AGI results for DeepSeek), so it’s not true that they haven’t publicized evaluations of these models.
LessWrong Mar 2, 2026 at 02:03 PM
www.lesswrong.com/posts/8pZuQnCve6K5ZrnM8/how-to-design-envi...
  • Credible UN and human-rights sources put the Rohingya population in Myanmar’s Rakhine State at ~630,000 (with ~150,000 in camps), not “over one million detained” in the region.
LessWrong Mar 2, 2026 at 02:02 PM
www.lesswrong.com/posts/YshqDtyzgWaJxthTo/introducing-and-de...
  • Anthropic does not have a publicly released model named “Claude Opus 3.6”; Anthropic’s docs list “Claude Opus 3” as `claude-3-opus-20240229` (retired Jan 5, 2026) and current Opus models as 4.x.
X Mar 2, 2026 at 02:45 AM
x.com/USWREMichael/status/2028292845329609121
  • The directive number is wrong: the Pentagon’s autonomy-in-weapons directive is DoD Directive 3000.09, not “30000.09.”
Substack Mar 1, 2026 at 05:59 PM
www.astralcodexten.com/p/next-token-predictor-is-an-ais-job
  • Grid/entorhinal cells are located in the (medial) entorhinal cortex, which is adjacent to and provides input to the hippocampus—not inside the hippocampus proper.
Wikipedia Mar 1, 2026 at 04:57 PM
en.wikipedia.org/wiki/Flag_of_Saudi_Arabia
  • In flag terminology, a “canton” is the top inner (upper-hoist) quarter of a flag, so it cannot be in the lower right.