We're pretty sure this isn't possible for a few reasons--like, we haven't sequenced the stingray's genome, and it seems unlikely that we'd have this level of control anyway--but a company called RayFish is attempting to offer a customized shoe made of genetically modified stingray leather. You pick what you want the stingray to look like, RayFish creates said stingray, then kills it, skins it, and makes shoes out of it. Just for you! It's weird. Read more here.
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.