happy mutants Regular expression crossword puzzles! Cory Doctorow

News The problem with 'The Monty Hall Problem' was Monty Hall Jason Weisberger

happy mutants Svalbard: a "puzzle story" created by Lavie Tidhar and Jake Olefsky Cory Doctorow

robots Watch a robot solve a Rubik's cube in less than half a second David Pescovitz

puzzles Can you solve the two-fuse puzzle? Mark Frauenfelder

Games Two 'Rubik’s Race' players compete at mind-boggling speed Xeni Jardin

puzzles Wooden fractal curve puzzles Rob Beschizza

puzzles Two lateral thinking puzzles Mark Frauenfelder

puzzles The broken bracelet puzzle Mark Frauenfelder

puzzles How to get better at solving puzzles Mark Frauenfelder

puzzles Meet one of the creators of the New York Times crossword puzzle David Pescovitz

puzzles This is what 'going viral' looks like Rusty Blazenhoff

art This artist uses jigsaw puzzles, with the same die cut pattern, to make these terrific mashups Rusty Blazenhoff

toys Self-solving Rubik's Cube Rob Beschizza

puzzles A 1000-piece color-changing jigsaw puzzle Rusty Blazenhoff

Kids Watch how to solve this Hanayama level 6 puzzle called NUTCASE Andrea James

happy mutants Ugears: beautiful, steampunkular geared wooden puzzle-toys Cory Doctorow

Kids Watch this guy solve a 17x17x17 Rubik's Cube in under 5 hours Andrea James

math Can you solve the wizard standoff riddle? David Pescovitz

art Charming interlocking wood sculptures Andrea James