Fleas spell disaster for people living in the Middle Ages. The inhabitants of an ancient Iraqi city hurl scorpions at an invading army. In Victorian London, a rat catcher turns his unsavoury profession into a form of street entertainment. And a miracle new pesticide turns out to have deadly unintended consequences… A Noiser production, written by Nicole Edmunds. For ad-free listening, exclusive content and early access to new episodes, join Noiser+. Click the Noiser+ banner to get started with a 7-day free trial. Or, if you’re on Spotify or Android, go to noiser.com/subscriptions Learn more about your ad choices. Visit podcastchoices.com/adchoices