At the Oscars this year, Angelina Jolie paired a leggy black dress with bombshell hair. What stood out, though, was her bright red lipstick. I thought she looked great, and--according to science--most of the men watching agreed.
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.