At the Kew Royal Botanical Gardens, there's a massive seed bank as a way to ensure against the total extinction of as many types of plants as possible. There's a new short film about it--it's pretty amazing. Take a look 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.