A German nonprofit, called MyMicrobes, is hoping you'll want to get your gut bacteria's genomes sequenced. It's expensive, but you'll get access to one of the most exclusive social networks around, where people worldwide can, um, talk about their gastrointestinal difficulties with like-minded people. Two grand seems cheap when we put it like that!
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.