While things like the Slinky and the Post-it Note may seem pretty ubiquitous, simple ideas today, they each have their own bizarre accidental origin story. In the second part of this week's two-part series, Ben, Noel and Max dive into the stories of military coil research and a tenacious 3M employee nicknamed "Mr. Persistent."

CLASSIC: Prohibition, Prescriptions and the Rise of 'Medicinal' Booze
31:41

Fort Sauerkraut: North Dakota’s Strange, Ill-Planned Origin Story
38:02

The Bizarre Tale of the 1909 Catnip Riot
35:52