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.
Our sperm and eggs give us one of the greatest responsibilities on the planet: the potential to generate new life, to put forth onto the Earth another living, breathing, thinking, feeling being. Or, they can be sold for a buck.
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.