
About this episode
There are 195 different countries in the world, and they all have different flags. Why is that? And where did flags come from? We asked flag expert Michael Green to unfurl the answers.
Do you have a vexing question of your own? Send it to us at BrainsOn.org/contact and we’ll help you flag down the answer.
See omnystudio.com/listener for privacy information.
Get every episode summarized
Each time Moment Of Um publishes, we email you a written briefing from the transcript — the topics, who appeared, and any specific claims, with the ad reads skipped.
Email me new episodesFree for 3 shows. No card needed.
Hosts & guests
No transcript yet
This episode has not been transcribed. Request it and it moves to the front of the queue.
More episodes
More from Moment Of Um

We’re back! Brains On Universe has a new headquarters
Moment Of Um
Oct 8, 20258:15pending

A big update about Moment of Um and the Brains On Universe
Moment Of Um
Jun 11, 20253:41pending

How do braces work?
Moment Of Um
Jun 6, 20257:04pending

How did the solar system and all the planets get their names?
Moment Of Um
Jun 5, 20255:41pending