A normal calendar years is 365 days long, but the earth actually takes 365.2422 days to completely orbit the sun. Learn more about leap years in this HowStuffWorks podcast.

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

A normal calendar years is 365 days long, but the earth actually takes 365.2422 days to completely orbit the sun. Learn more about leap years in this HowStuffWorks podcast. 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.

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A normal calendar years is 365 days long, but the earth actually takes 365.2422 days to completely orbit the sun. Learn more about leap years in this HowStuffWorks podcast.

How Leap Years Work

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/be884081-3e23-4f0e-a035-ae3200a652a7/transcript

Alchemists may have never turned lead into gold, but they did create the field of chemistry. Learn how the study of alchemy worked in today's classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/alchemy-to-chemistry.htm

Alchemists may have never turned lead into gold, but they did create the field of chemistry. Learn how the study of alchemy worked in today's classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/alchemy-to-chemistry.htm

BrainStuff Classics: How Did Alchemy Create Chemistry?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/8ef7e088-b99a-49ce-8065-b4a501645942/transcript

Sundown towns are places in the United States where, after the Civil War and Reconstruction, white communities kept Black Americans and other groups out for decades, on purpose. Learn how they came to be -- and how some sundown towns are in recovery -- in today's episode of BrainStuff, based on this article: https://history.howstuffworks.com/american-history/sundown-towns.htm. Check out Dr. James Loewen's database of sundown towns here: https://justice.tougaloo.edu/sundown-towns/using-the-sundown-towns-database/

Sundown towns are places in the United States where, after the Civil War and Reconstruction, white communities kept Black Americans and other groups out for decades, on purpose. Learn how they came to be -- and how some sundown towns are in recovery -- in today's episode of BrainStuff, based on this article: <a href="https://history.howstuffworks.com/american-history/sundown-towns.htm.">https://history.howstuffworks.com/american-history/sundown-towns.htm.</a> Check out Dr. James Loewen's database of sundown towns here: <a href="https://justice.tougaloo.edu/sundown-towns/using-the-sundown-towns-database/">https://justice.tougaloo.edu/sundown-towns/using-the-sundown-towns-database/</a>

How Did Sundown Towns Say the Quiet Part Out Loud?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/b7aeb3f2-e25e-4590-9832-b4a501645941/transcript

Science isn't entirely sure why humans and other animals yawn, let alone why yawning can be contagious -- but we've got some good hypotheses. Learn about them, from cooling the brain to spreading alertness, in today's episode of BrainStuff, based on these articles: https://science.howstuffworks.com/life/inside-the-mind/human-brain/question572.htm; https://science.howstuffworks.com/life/inside-the-mind/human-brain/contagious-yawn.htm

Science isn't entirely sure why humans and other animals yawn, let alone why yawning can be contagious -- but we've got some good hypotheses. Learn about them, from cooling the brain to spreading alertness, in today's episode of BrainStuff, based on these articles: https://science.howstuffworks.com/life/inside-the-mind/human-brain/question572.htm; https://science.howstuffworks.com/life/inside-the-mind/human-brain/contagious-yawn.htm

Why Do We Yawn, and Why Is It Catching?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/7efe9759-9e5b-4d38-ae3d-b4a30141ad7c/transcript

How Leap Years Work

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