A wasp leads to the invention of paper in ancient China. Rich Europeans have to find another way to decorate their walls when coal fires ruin their valuable tapestries. Anger over wallpaper helps ignite the French Revolution. And a silent killer is found hiding in plain sight on nursery walls across Victorian Britain… A Noiser production, written by Roger Morris. 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