This all-American condiment got its start as a fermented fish sauce and featured in the formation of the Food and Drug Administration. Learn about the history of tomato ketchup -- and why it's so hard to get out of bottles -- in today's episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/ketchup.htm

<p>This all-American condiment got its start as a fermented fish sauce and featured in the formation of the Food and Drug Administration. Learn about the history of tomato ketchup -- and why it's so hard to get out of bottles -- in today's episode of BrainStuff, based on this article: <a href="https://recipes.howstuffworks.com/ketchup.htm.">https://recipes.howstuffworks.com/ketchup.htm</a></p>

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.

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How Does Ketchup Work?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/f46cabb4-b851-4e2f-83d4-b47b012c1251/transcript