By Bjorn Carey
Posted 12.20.2010 at 11:34 am 3 Comments
Hard to know, says Will Harcourt- Smith, an expert on early-human fossils at the American Museum of Natural History in New York. “Some infections leave their mark on bones. Athlete’s foot is not one of those infections. But if we make some logical assumptions, we might be able to make a good guess.”
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.