useful stuff Excellent cheap puzzle book: The Moscow Puzzles: 359 Mathematical Recreations Mark Frauenfelder
puzzles Can we wrap a 1x1x1 cube with the blue 3×3 piece of paper, cutting along some edges without disconnecting it? Mark Frauenfelder
brain teasers Saturday morning mind-benders: "Newcomb's Problem" and "Parfit's Hitchhiker" dilemma Mark Frauenfelder
video games Professor Layton series to receive first mainline installment in 10 years Grant St. Clair
Boing Boing Gadgets 15 items that are guaranteed to satisfy the neediest dog or cat Boing Boing's Shop