Vacuum Cleaners

This 2019 episode marked 100 years since a wave of racist violence in the U.S. that became known as Red Summer. In many ways, Red Summer was a response to (but NOT caused by) two earlier events: the Great Migration and the return of black soldiers who had fought in World War I.Se ...  Show more

Holly and Tracy commiserate about sending greeting cards. Tracy talks about how she shifted away from an episode exclusively about Frances Thompson.See omnystudio.com/listener for privacy information. 

The history of litter is in lock step with the history of disposable packaging. Learn all about this nasty habit today. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

Today we talk about the history and philosophy behind autonomous zones, and how people can ruin them. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

How did a company that started out making coffee mills and bicycles become one of the most important names in modern racing? Tune in to learn more.

Ever wondered when and why people started caring about body odors and cleanliness? Well look no further than today's episode. See omnystudio.com/listener for privacy information.