Why Itches Spread, Ancient Vending Machine, and Not Realizing When Your Beliefs Change

Learn about the world’s first vending machine that was invented nearly 2,000 years ago; why scratching an itch can make it spread; and, why you probably don’t realize it when your beliefs change. In this podcast, Cody Gough and Ashley Hamer discuss the following stories from Curiosity.com to help you get smarter and learn something new in just a few minutes: The World's First Vending Machine is 2,000 Years Old — https://curiosity.im/2HCKIgk When Your Beliefs Change, You Probably Don't Realize It — https://curiosity.im/2HCKCFu If you love our show and you're interested in hearing full-length interviews, then please consider supporting us on Patreon. You'll get exclusive episodes and access to our archives as soon as you become a Patron! https://www.patreon.com/curiositydotcom Download the FREE 5-star Curiosity app for Android and iOS at https://curiosity.im/podcast-app. And Amazon smart speaker users: you can listen to our podcast as part of your Amazon Alexa Flash Briefing — just click “enable” here: https://curiosity.im/podcast-flash-briefing.