useful stuff Excellent cheap puzzle book: The Moscow Puzzles: 359 Mathematical Recreations Mark Frauenfelder
COVID-19 Renowned mathematician and "Game of Life" inventor, John Conway, died this week of COVID-19 Gareth Branwyn
books HOW TO: XKCD's Randall Munroe finds the humor in taking silly questions very, very seriously Cory Doctorow
movies Meet the scientific storytellers who can make the public afraid of anything—for a price Ethan Gilsdorf