Dr Robert Koch was a pivotal figure in the golden age of microbiology. It was the German bacteriologist who discovered the bacteria that causes anthrax, septicaemia, tuberculosis and cholera, and his ...

Elmer threatens to give his dog a bath if he doesn't stop scratching, but the poor pooch is the victim of a hungry flea whose tools of the trade include pickaxes and dynamite.

Porky is reading the Greek myth of the gorgon, who turned everyone she looked at into stone. Mother tells him it's bedtime; he dreams of being Porkykarkus, the hero that saves Greece.