Stop signs were always the red octagons we know today -- so how was the color chosen, and why has it stuck? Learn about the history and psychology of red traffic signals in this episode of BrainStuff.

 Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

Stop signs were always the red octagons we know today -- so how was the color chosen, and why has it stuck? Learn about the history and psychology of red traffic signals in this episode of BrainStuff. Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>

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.

BrainStuff

Why Are Stop Signs Red?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/27da89e7-3306-4bcd-a164-ae320050134a/transcript

Some U.S. cities and states have officially changed Columbus Day to Indigenous Peoples' Day. Learn why -- and why some Americans disagree with the change -- in this classic episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/holidays-other/columbus-day.htm

Some U.S. cities and states have officially changed Columbus Day to Indigenous Peoples' Day. Learn why -- and why some Americans disagree with the change -- in this classic episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/holidays-other/columbus-day.htm

BrainStuff Classics: Why Are Some Americans Cancelling Columbus Day?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/3c4349d6-ec57-43f2-a585-b4dd015e3bfa/transcript

The English-language terms for different baked goods vary based on where English is being spoken. Learn why an American cookie is a British biscuit, an American biscuit is a British scone, our muffins have nothing to do with each other, and pudding doesn't have to involve pudding at all in today's episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/tools-and-techniques/great-british-baking-terms-know-scones-from-biscuits.htm

The English-language terms for different baked goods vary based on where English is being spoken. Learn why an American cookie is a British biscuit, an American biscuit is a British scone, our muffins have nothing to do with each other, and pudding doesn't have to involve pudding at all in today's episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/tools-and-techniques/great-british-baking-terms-know-scones-from-biscuits.htm

American Versus British English: What Are Biscuits, Muffins, and Pudding?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/2727932a-a9b2-4223-a2d1-b4dd015e3bf9/transcript

When dark spots appear on the surface of the Sun, we're actually seeing the result of massive distortions in solar magnetic fields caused by roiling plasma -- and they appear in regular(ish) 11-year cycles. Learn what we know (and don't know!) about sunspots in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/sunspot.htm/printable

When dark spots appear on the surface of the Sun, we're actually seeing the result of massive distortions in solar magnetic fields caused by roiling plasma -- and they appear in regular(ish) 11-year cycles. Learn what we know (and don't know!) about sunspots in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/sunspot.htm/printable

How Do Sunspots Work?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/59827944-02cb-4629-b367-b4db01418d6d/transcript

Why Are Stop Signs Red?

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