Hepatitis literally means "swollen liver." Hepatitis C (HCV) is one of five (A, B, C, D, and E) viruses that cause the condition, which can also result from non-viral causes such as alcoholism. HCV attacks the liver, the organ that detoxifies drugs, alcohol, and environmental poisons, disposes of worn-out blood cells, and aids in digestion.
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.