automotive Watch this mechanic fix a customers' "broken" turn signal that, um, isn't really broken David Pescovitz

Science Watch Skippa the rock-skipping robot get optimized Andrea James

Technology Watch how this chain-free bike operates Andrea James

mechanics Watch these mesmerizing mechanisms Mark Frauenfelder

Kids Watch this gorgeous two-valve Stirling engine in action Andrea James

cars Watch Australian bush mechanics get a wrecked car rolling Rob Beschizza

History 1000-year old windmills still in use Rob Beschizza

maker Amazing working paper model of a V6 engine David Pescovitz

art Computer finds faces in grains of sand David Pescovitz

Science Startling, beautiful, and weird close-up images of our Sun David Pescovitz

Gadgets Get you ready for the Internet of Things with this training Boing Boing's Shop

spycraft Here's the everyday-carry for Australian cyberspies in China Mark Frauenfelder

militarized policing Handy advice for dodging and disarming the sonic weapons used by militarized police Thom Dunn

activism How to safely topple a statue using science David Pescovitz

Gadgets Learn how to make your own games with the Unreal Engine for only $40 Boing Boing's Shop

jokes Guy behind that Animal Crossing sea bass joke is tired of it too Rusty Blazenhoff

Nintendo A review of Animal Crossing by someone who hates it Mark Frauenfelder

truthers 9/11 Truthers are still at it about Building 7 Mark Frauenfelder

dna Scientists have successfully performed CRISPR gene editing in a live human body for the first time ever Thom Dunn