mathematics Do you use a point or comma as decimal separator? Andrew Yi

art Antique map of the Mandelbrot set David Pescovitz

math "This statement is false": animated explainer of Gödel's Incompleteness Theorem David Pescovitz

mathematics How math people look at math, and why it works Devin Nealy

mathematics The math behind the card game "Spot It" Clive Thompson

mathematics This "Weird Units Calculator" can convert watts into T-Rex bites and lightsabers Thom Dunn

math The Marshmallow Man from Ghostbusters could make 300 million s'mores Thom Dunn

mathematics The chaos game creates patterns from random dice rolls Andrea James

vintage Uses for the 1960 catalog of graph sheets Rob Beschizza

mathematics New research: There's a 50-50 chance we're living in a simulation and here's how to find out David Pescovitz

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

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

Science Freeman Dyson as remembered by Tim O'Reilly David Pescovitz

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

NASA Katherine Johnson, pioneering NASA mathematician portrayed in "Hidden Figures," RIP David Pescovitz

mathematics Why 02/02/20 is the most palindromic date ever! Gareth Branwyn

math How many triangles do you see? David Pescovitz

Food Why you should almost always order one large pizza instead of two mediums David Pescovitz

Games In this tic-tac-toe variant played with all X's, the loser is actually the winner David Pescovitz

politics The Oligarch Game: use coin-tosses to demonstrate "winner take all" and its power to warp perceptions Cory Doctorow