optical illusions Brain-bending experiment reveals why kids struggle with writing Mark Frauenfelder

Scientific American The beautiful "Four Bugs Problem" Mark Frauenfelder

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 Four students solved a geometry puzzle by pretending squares were resistors Ellsworth Toohey

math A classic Soviet logic puzzle: which shooter hit the bullseye? Ellsworth Toohey

wikipedia The staircase paradox proves you can't always trust your limits Ellsworth Toohey

occult The Enduring Legacy of Parapsychologist J.B. Rhine Mitch Horowitz

useful stuff Excellent cheap puzzle book: The Moscow Puzzles: 359 Mathematical Recreations Mark Frauenfelder

noads The man who destroyed skepticism Mitch Horowitz

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

Boing Boing 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