This week we learn about how the introduction of the corrugated box changed the entire pizza delivery industry and how Pythagoras' belief that fava beans contained the souls of the dead may have lead to his violent death. A listener email gets into the X-rated history of tree carvings in the American west.

Episode Tabs:

The Low-Tech Genius of the Cardboard Pizza Box

https://www.eater.com/2016/9/28/13065010/pizza-box-design

The Death of Pythagoras

https://philosophynow.org/issues/78/The_Death_of_Pythagoras

Listener Tabs:

Captain Volcano, or, The Man of the Red Revolvers: A Story of Life Against Life for a Big Stake

https://dimenovels.lib.niu.edu/islandora/object/dimenovels%3A181706#page/1/mode/1up

Aspen Diaries

https://www.steamboatmagazine.com/2005/07/01/1948/aspen-diaries

Email your closed tab submissions to: [email protected]

Support us on Patreon: https://www.patreon.com/500OpenTabs

500 Open Roads (Google Maps episode guide): https://maps.app.goo.gl/Tg9g2HcUaFAzXGbw7

Continue the conversation by joining us on Discord! https://discord.gg/8px5RJHk7a

SUPPORT THE SHOW and get 40% off an annual subscription to Nebula by going to nebula.tv/500opentabs

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.