Who Is Uncle Sam?

This stern, patriotic character goes back to the early 1800s, but became an icon thanks to American propaganda during WWI. Learn more about Uncle Sam in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/uncle-sam-man-myth-legend.htmSee omnystudio.com/listener for privacy information.

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Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.