A random selection of recent posts from around the mathematical blogosphere.

• 02 Nov 2026Making peace with the projective planeJohn D. Cook
• 02 Nov 2026#29 Discount, tare, tret & cloff...History and Etymology of Math TermsPat'sBlog
• 01 Nov 20262025–2026 newsletter from NAU’s Department of Mathematics & StatisticsDana C. Ernst
• 29 Oct 2026The downside of getting hundreds of millions from Elon Musk is that it comes from Elon Musk -- part 3West Coast Stat Views (on Observational Epidemiology and more)
• 28 Oct 2026The Unbalanced Group TheoremJohn D. Cook
• 26 Oct 2026A bad time to be a prognosticatorWest Coast Stat Views (on Observational Epidemiology and more)
• 25 Oct 2026Vote! (Israeli edition)Shtetl-Optimized
• 25 Oct 2026World’s dumbest AI spam just droppedStatistical Modeling, Causal Inference, and Social Science
• 25 Oct 2026so what has broken the internet today? well,Thales’ circles
• 25 Oct 2026Computing polar triangles with linear algebraJohn D. Cook
• 24 Oct 2026Counting PrimesAzimuth
• 24 Oct 2026Busy Week Ahead!Combinatorics and more
• 22 Oct 2026AS/A Level Maths Question GeneratorMathematics, Learning and Technology
• 22 Oct 2026Relativity of BraidImpossible world site blog
• 22 Oct 2026How to get the most out of Bayesian Data AnalysisStatistical Modeling, Causal Inference, and Social Science
• 22 Oct 2026publicdomainreview: After complaints about Timothy Dexter’s A...Thales’ circles
• 21 Oct 2026Sleeping Beauty and ChatGPTTanya Khovanova's Math Blog
• 21 Oct 2026CKKS — Key Switching and RelinearizationMath ∩ Programming
• 21 Oct 2026Progress on Borsuk’s Problem and Answer to TYI 60.Combinatorics and more
• 21 Oct 2026Deliberate imperfectionJohn D. Cook
• 21 Oct 2026Vote!Shtetl-Optimized
• 21 Oct 2026purposelessnessismypurpose: Did you know? The reason citation...Thales’ circles
• 21 Oct 2026Videos about fairness and insuranceFreakonometrics
• 20 Oct 2026Spam BlockerPersiflage
• 19 Oct 2026Mr TessacadabraMathematics, Learning and Technology
• 19 Oct 2026publicdomainreview: Illustrations of snow crystals as “actually...Thales’ circles
• 19 Oct 2026A Love Story -- and a HypotenuseIntersections -- Poetry with Mathematics
• 19 Oct 2026A frivolous problem with a deeper lessonJohn D. Cook
• 19 Oct 2026“when i’m gone, let this be written on my gravestone.”Thales’ circles
• 16 Oct 2026Come gli oligarchi stanno cercando di smantellare la Corte penale internazionaleBlogghetto
• 13 Oct 2026Podcasts about the TopicShtetl-Optimized

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