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

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

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

modeling Video: the mathematics of where to park your car David Pescovitz

maths Tetris gives you random tetrominoes, right? Rob Beschizza

logos The history of Spikey, the Wolfram logo Rob Beschizza

riddles Can you solve the wizard standoff riddle? David Pescovitz

ruler Watch how 19th-century Genaille-Lucas calculating rulers work Andrea James

sandwich Math theorem: the most misshapen ham sandwich can always be cut into two perfect halves Andrea James

numbers Numberphile looks at mathematics' undecidable statements Andrea James

rendering Mathematical conjecture generates beautiful lifelike form Andrea James

philosophy of science Is mathematics invented or discovered? Andrea James

math problems The moving sofa math problem: still unsolved 50 years later Andrea James

mondrian This Mondrian math puzzle yields puzzling scores Andrea James

prodigy How a child math prodigy sees numbers as shapes Andrea James

Vsauce Mind-blowing explainer on fixed points Andrea James

roundness Sierra Leone is the roundest country Rob Beschizza

futilitycloset The real story behind Indiana's celebrated attempt to legislate the value of Pi Futility Closet

July 4 The geometry of fireworks Xeni Jardin