Admit What You Don’t Know, Moral Dilemmas of Self-Driving Cars, and Revolving Door Origins

Learn about the weird reason why revolving doors were invented; why people who can admit what they don’t know tend to know more; and why a thought experiment called the trolley problem may be more relevant than ever. Please support our sponsors! Get your first month of KiwiCo FREE by visiting https://www.kiwico.com/curiosity. 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: This Is the Weird Reason Revolving Doors Were Invented — https://curiosity.im/2XoJAHg  People Who Can Admit What They Don't Know Tend to Know More — https://curiosity.im/2XsreFh  The Trolley Problem Is a 50-Year-Old Moral Dilemma — https://curiosity.im/2MJUDH2  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.