How Guide Dogs Work

Hi listeners, in case you haven't heard already, iHeartRadio just released a brand new podcast called Commencement: Speeches for the Class of 2020, where we collected speeches from notable folks all o...

18 Mai 20208min

Creating fire was possibly the most important human discovery, but it's easy to take for granted. But. Josh and Chuck get to the bottom of the chemistry of fire in their quest to explain everything in...

16 Mai 202028min

No food is more all-American than peanut butter – 80 percent of homes in the country have a jar of it in the pantry right now. And while the rest of the world might find peanut butter peculiar, maybe ...

14 Mai 202056min

You know those terrible leg cramps that come out of nowhere? They may be named after a drunken baseball pitcher. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio...

13 Mai 202011min

Herd immunity is an epidemiological concept that if enough people are inoculated against a disease the rest of us won’t get it. It’s been useful in holding back diseases like polio and measles, but we...

12 Mai 20201h 2min

Entrances to the underworld have been places of wonder for eons, and humans have ventured into caves to sleep, hunt, create art and explore. Thanks to the hobby of caving, that tradition continues tod...

9 Mai 202049min

The zipper may be the most unsung invention we humans have ever come up with. Prior to zippers, everyone walked around like idiots with nothing but buttons to hold their clothes together. The zipper c...

7 Mai 202054min

There was a glorious time in American history when circus sideshow performers lived together in a small town in Florida. Learn about the fascinating history of Gibtown today! Learn more about your ad...

6 Mai 202013min