This 2023 episode covers how humans have worked on ways to make garments water resistant almost since they started to wear them. But figuring out how to manufacture a raincoat using rubber was a big breakthrough that took centuries.

Sara Weiss’s Journeys to the Planet Mars
39:45

SYMHC Classics: Charles Colchester
33:49

Behind the Scenes Minis: Lager, Ale, Emo Girl
25:06