In this week’s episode, Hannah reveals the development of a Harlem-born doctor’s impactful non-object, and Sarah illuminates the tale of a French clockmaker who became famous as a result of receiving the wrong package.

In episode six, a 5000-year-old body leads to a wealth of information about a classic form of art, and an “accidental” creation warms the hearts of Americans during the Great Depression.

Sarah and Hannah will be back with a new full episode next week, but this week–in honor of the holiday–they talk about a brief, but very special, origin story.

Hannah’s got a story about a sexy class assignment, and Sarah serves up the ingenious creation of a British nobleman.

In episode four, Sarah starts off with a childhood favorite, and Hannah talks about the evolution of a cartographer’s invention.

In this week’s episode, learn about the origins of America’s version of the Eiffel Tower and of a company that started a revolution in the way that products are sold. And as an added bonus: why the heck did women start shaving their legs?!

Sarah’s got an origin story about something the girls need to stock up on while stuck at home, and Hannah talks about a feminist fashion staple.