This week, we have beautiful jewel caterpillars that look like they were sculpted out of slick crystal, a massive architectural concept inspired by Twitter, artist's concepts of super Earths and black holes, but really, it's all about this guy. A mere few days old, this baby elephant still lacks a name. We left our suggestions in the gallery, but welcome yours!
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.