This Atlas moth is in a defensive posture, making itself seem bigger than it really is. It's probably not necessary; this species is the largest moth in the world, with a whopping 10-inch wingspan. Read more at New Scientist.
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.