A 9-year-old scrawls an innocent problem... and suddenly 3D surfaces are intersecting in 4D space.
Kids Say the Darnedest Cubics
Author: Ben Orlin
$500 Million for Bloomberg Equals… What for You or Me?
Tricky equivalences.
A Compendium of Cool Internet Math Things
Visually stimulating. Mathematically rich.
“What Makes a Great Teacher?” Answered by 4 Great Teachers
Four different (and wise) answers.
The Truly Common Core
Math education is succeeding beautifully... for the right definition of "success."
Felt-Tip Geometry
Four beautiful new puzzles.
STEM Academia: The Game
And 20 more of my proudest math cartoons.
