Future guys and gals looking for a sweet-smelling bouquet for Valentine's Day might consider the root-beer-scented variety. Or they could opt for a fouler odor, if they want to send a different message. That's all in the coming future, according to Discovery News.
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.