The nearer moon, hurtling suddenly above the horizon and lighting up the Barsoomian scene, showed me that my preserver was Woola.
“The woodtick sucks the blood of the dog, but the germ, being so very small, goes right into the blood of the body, and there it has many children. In those days there would be as many as a billion a crab-shell, please many as that crab-shell in one man’s body. We called germs micro-organisms. […]