puzzles A surprising solution to the (in)famous "Cross the Network" puzzle Mark Frauenfelder

logic Free: scanned copy of Martin Gardner's Logic Machines and Diagrams (1958) Mark Frauenfelder

puzzles Can you solve the "scrambled box tops" puzzle? Mark Frauenfelder

happy mutants The 2019 Locus Award nominees: your guide to the best sf/f of 2018 Cory Doctorow

puzzles The broken bracelet puzzle Mark Frauenfelder

puzzles How to get better at solving puzzles Mark Frauenfelder

puzzles Martin Gardner puzzle: red, white, and blue weights Mark Frauenfelder

religion The 3 question math quiz can predict if you believe in God Mark Frauenfelder

puzzles Excellent $5 puzzle book: The Moscow Puzzles: 359 Mathematical Recreations Mark Frauenfelder

Gadgets Boing Boing Gift Guide 2016 Gift Guide

gift guide Boing Boing's 2016 Gift Guide: Books Boing Boing

books Locus Award 2016 winners: your summer reading! Cory Doctorow

books Martin Gardner's 'Science Magic,' fun tricks you can try at home Jason Weisberger

puzzles How to divide a cake fairly among a group of people Mark Frauenfelder

puzzles Can you solve Martin Gardner's "coin of the realm" puzzle? Mark Frauenfelder

puzzles The Missing Dollar puzzle from Martin Gardner's Aha! Gotcha book series Mark Frauenfelder

Business Tattoo artist asserts copyright over customers' bodies Cory Doctorow

The search for the world's greatest card cheat Sam Munson