Not only did Mayu Yamamoto figure out the cow-dung/vanilla connection (synthetic vanillin is made by breaking down the chemical lignin—guess what contains a bunch of lingin?), she got an ice cream flavor created in her honor. If you're in the Cambridge, Massachusetts, area, hit up Toscanini's Ice Cream for a pint of Yum-a-Moto Vanilla Twist. Don't ask what the twist is.
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.