Most of the trees decorated for Christmas don't naturally grow in a perfect cone shape -- so how do they get that way, and why did we decide on that shape in the first place? Learn about the history of Christmas trees in this episode of BrainStuff.

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

Most of the trees decorated for Christmas don't naturally grow in a perfect cone shape -- so how do they get that way, and why did we decide on that shape in the first place? Learn about the history of Christmas trees 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 Christmas Trees That Shape?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/c2b6822c-6b73-4e0b-ba9e-ae32004fc181/transcript

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

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>

How Does Ketchup Work?

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

We all know we're supposed to reach out to friends and family experiencing depression, but it's an intimidating prospect. Learn how to get a conversation started in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/mental-health/depression/questions/help-friend-with-depression.htm

We all know we're supposed to reach out to friends and family experiencing depression, but it's an intimidating prospect. Learn how to get a conversation started in this classic episode of BrainStuff, based on this article: <a href="https://health.howstuffworks.com/mental-health/depression/questions/help-friend-with-depression.htm">https://health.howstuffworks.com/mental-health/depression/questions/help-friend-with-depression.htm</a>

BrainStuff Classics: How Can You Help a Friend with Depression?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/bb30a31b-ce5d-435d-9fe8-b4790154658a/transcript

The Minotaur -- a monstrous half man, half bull -- has raged through stories for millennia. But where did he and his labyrinth come from? Learn the ancient history and modern psychology behind both in today's episode of BrainStuff, based on this article: https://history.howstuffworks.com/history-vs-myth/minotaur.htm

The Minotaur -- a monstrous half man, half bull -- has raged through stories for millennia. But where did he and his labyrinth come from? Learn the ancient history and modern psychology behind both in today's episode of BrainStuff, based on this article: https://history.howstuffworks.com/history-vs-myth/minotaur.htm

How Does the Myth of the Minotaur Work?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/223d5184-9485-4b66-82c2-b47901546592/transcript

Why Are Christmas Trees That Shape?

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