Food Mathematicians analyze the geometries of the Pringle David Pescovitz

math How a convience-store-owner hacked the lottery odds and won $27 million Clive Thompson

math Hexagons are the bestagons Andrea James

math Trippy demonstration of recursively rotating images Andrea James

math The astonishing math behind Penrose tilings Andrea James

math Best 1950s kids' science books Mark Frauenfelder

books A Hitchhiker's Guide to the Number 42 David Pescovitz

math Watch this cool way to multiply numbers by drawing lines Mark Frauenfelder

Science A Scheme of Heaven is a deep investigation of astrology from a scientist's perspective Ferdinando Buscema

books The Math Book: From Pythagoras to the 57th Dimension, 250 Milestones in the History of Mathematics Mark Frauenfelder

math Lockdown math: trigonometry fundamentals Mark Frauenfelder

toys Why this sliding tile puzzle arrangement is impossible Mark Frauenfelder

math Weird and wild warped-grid jigsaw puzzles inspired by Mobius, Haeckel, and Picasso David Pescovitz

COVID-19 Explainer video – this is a good time to understand what exponential growth means Mark Frauenfelder

magic "Pick a number and I'll guess it": the math behind the magic David Pescovitz

math How many triangles do you see? David Pescovitz

math Augmented reality math is amazing and delightful Jason Weisberger

happy mutants Donald Knuth's Christmas pi surprise Cory Doctorow