Podcast:Moment Of Um Published On: Mon Feb 05 2024 Description: 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.