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

• 23 Apr 2026Probability theory corner: My favorite birthday-problem storyStatistical Modeling, Causal Inference, and Social Science
• 23 Apr 2026Couvrir les risques de catastrophes naturelles au JaponFreakonometrics
• 23 Apr 2026[Undefined]Thales’ circles
• 23 Apr 2026On This Day in Math - April 23Pat'sBlog
• 22 Apr 2026What is calculus?Math Mama Writes...
• 22 Apr 2026PodcastsHyndsight
• 22 Apr 2026Samir Patel on Science Journalism and Curiosity, The ChronicleSimons Foundation
• 22 Apr 2026Heron's Cube Root MethodPat'sBlog
• 21 Apr 2026Geometry Problems of the Day (Geometry Regents, August 2025 Part II)(x, why?)
• 21 Apr 2026Patrick Boyle explains why it's illegal to bet on the price of onions but it's OK to bet on the Dodgers' double headerWest Coast Stat Views (on Observational Epidemiology and more)
• 21 Apr 2026On This Day in Math - April 21Pat'sBlog
• 19 Apr 2026Three greats who we’ve lostShtetl-Optimized
• 18 Apr 2026What are covering spaces in algebraic geometry? (Pt I: topological theory and general principles)Hard Arithmetic
• 16 Apr 2026The Bayesian Workflow book is coming!Statistical Modeling, Causal Inference, and Social Science
• 14 Apr 2026Survey Statistics: irrelevant alternatives ?Statistical Modeling, Causal Inference, and Social Science
• 14 Apr 2026Guest Post from Peter Brass, Former NSF Theory Director, on the NSF budget.Computational Complexity
• 14 Apr 2026Smart people commenting on important thingsWest Coast Stat Views (on Observational Epidemiology and more)
• 13 Apr 2026Which beliefs are considered acceptable and which are not?Statistical Modeling, Causal Inference, and Social Science
• 13 Apr 2026We can all agree: spaceflight is cool.West Coast Stat Views (on Observational Epidemiology and more)
• 12 Apr 2026Lunar period approximationsJohn D. Cook
• 12 Apr 2026The gap between Eastern and Western EasterJohn D. Cook
• 10 Apr 2026Unleashing the Advantage of Quantum AIQuantum Frontiers
• 10 Apr 2026Afterthoughs on Banach Tarski and the Miracle of loaves and FishesComputational Complexity
• 09 Apr 2026ChatGPT – drei Jahre späterMathlog
• 09 Apr 2026Faut-il socialiser les risques ou responsabiliser les territoires ?Freakonometrics
• 09 Apr 2026Root prime gapJohn D. Cook
• 08 Apr 2026Futurism should be careful. Gawker also criticized the NYT and learned that the gray lady doesn't take kindly to that sort of thing.West Coast Stat Views (on Observational Epidemiology and more)
• 07 Apr 2026Whatever they paid Goldsmith, it wasn't enough; whatever they paid Bricusse, it was too muchWest Coast Stat Views (on Observational Epidemiology and more)
• 07 Apr 2026Before we start on quantumShtetl-Optimized
• 07 Apr 2026Toffoli gates are all you needJohn D. Cook
• 05 Apr 2026HIPAA compliant AIJohn D. Cook

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