How Do Toilets Work?

Who invented the peanut butter and jelly sandwich? And how did it become one of the most famous lunches in America? In this episode, a question from listener Leila sends us on a trip through history to find out how peanut butter, jelly, and sliced bread came together to make the ...  Show more

Why do humans usually have five fingers on each hand? And what if one day, we could grow a new finger if we lost one? In this episode, a question from six-year-old listener Ayla sends us on a journey from tiny developing embryos to one of the most amazing animals on Earth: the ax ...  Show more

It’s easy to take toilets for granted, but these porcelain thrones are nothing short of marvelous. In this episode, Joy and co-host Caleb find out how bathrooms and sewers helped civilizations grow. Plus they take a pit stop in ancient Rome where public restrooms were very public ...  Show more

How do toilets work? What's the secret behind using a Japanese toilet? And can you enter a toilet race? Josh Clark joins the show. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

You may call it the toilet, the loo, the privy, the potty, the can or even the bathroom, but whatever you call it, this everyday object has its roots in Bronze Age Pakistan. It even had a seat!But how did the toilet come to be? Given one third of the world’s population still live ...  Show more

Every time you flush, your poo and pee start an epic journey. From the toilet, to the sewers, to a treatment plant, our waste travels quite a distance only to end up cleaner by the end. We'll hear from a "PooTube" star about her experience with "the flush." We'll also hear abo ...