Humans have been using urine to test for pregnancy for thousands of years -- with the help of wheat, barley, rabbits, and frogs. Learn how reliable home tests became available in 1978 thanks to immunoassay technology in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/pregnancy-and-parenting/pregnancy/conception/rabbit-pregnancy.htm

Humans have been using urine to test for pregnancy for thousands of years -- with the help of wheat, barley, rabbits, and frogs. Learn how reliable home tests became available in 1978 thanks to immunoassay technology in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/pregnancy-and-parenting/pregnancy/conception/rabbit-pregnancy.htm

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

How Were Pregnancy Tests Invented?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/4c8f41f9-5976-41b4-bf04-aedd01530765/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

A sunken continent called Lemuria was first proposed as a scientific explanation for lemur populations in the mid-1800s, but it quickly became part of the mythology of Theosophist mystics and Tamil cultural activists alike. Learn the truth and myths behind Lemuria (plus what Darwin had to do with it) in today's episode of BrainStuff, based on this article: https://history.howstuffworks.com/history-vs-myth/lemuria.htm

A sunken continent called Lemuria was first proposed as a scientific explanation for lemur populations in the mid-1800s, but it quickly became part of the mythology of Theosophist mystics and Tamil cultural activists alike. Learn the truth and myths behind Lemuria (plus what Darwin had to do with it) in today's episode of BrainStuff, based on this article: https://history.howstuffworks.com/history-vs-myth/lemuria.htm

Did the Lost Continent of Lemuria Really Exist?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/e591d599-8bd8-434e-af13-b4da00e1d703/transcript

How Were Pregnancy Tests Invented?

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