This week we've got a couple of weird climate-related pics to go along with the great feature on the subject we ran earlier. That, plus: humpback whales en flagrante, an arctic blue marble, virtual reality, and pizza delivery. Check it out!
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.