Scientific American The beautiful "Four Bugs Problem" Mark Frauenfelder

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

Games Simpsons: Tapped Out to shut down after 12 years Rob Beschizza

Games Non-Euclidean Doom, where the value of pi is not 3.14159 Rob Beschizza

Games The emergent complexity of Hexopolis: a strategy game with infinite possibilities Jane Frauenfelder

music Deck is a new musical project featuring one song for all 52 playing cards in a deck Thom Dunn

Boing Boing Gadgets Want to learn to code? These 12 learning bundles will teach you everything you need to know Boing Boing's Shop

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

mathematics New research: There's a 50-50 chance we're living in a simulation and here's how to find out David Pescovitz

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

puzzles My trip through the Starmaze: a world in the 9th dimension Jane Frauenfelder

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

Business Russia's slot-machine bans let criminals buy machines on the cheap and reverse-engineer them Cory Doctorow

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

copyright Hakim, the Masked Gamer of Minneapolis Rob Beschizza

offworld Why would you spend $3000 on Clash of Clans? Leigh Alexander

books What games must learn from children's books Anna Anthropy

offworld The occult gambling game giving out amulets of real gold Laura Hudson

offworld Could this beautiful game signal the end of our dystopia fetish? Leigh Alexander

offworld This 'numerical sledding game' is like Skifree, but with math Laura Hudson