OK, 'happy' is a stretch, but researchers are looking into how cows given positive interactions (like back scritches) grow and produce milk versus less-content cows. Learn more in this classic episode of BrainStuff.

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OK, 'happy' is a stretch, but researchers are looking into how cows given positive interactions (like back scritches) grow and produce milk versus less-content cows. Learn more in this classic 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

BrainStuff Classics: Do Happy Cows Really Make Better Milk?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/51467eb9-c317-476c-9b6a-ae32002128d1/transcript

Ducks can hold extra air in their feathers and bodies, making it easy for them to float -- and to squeeze out the air and dive when they want to. Learn more about ducks and bouyancy in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/birds/duck-float.htm

Ducks can hold extra air in their feathers and bodies, making it easy for them to float -- and to squeeze out the air and dive when they want to. Learn more about ducks and bouyancy in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/birds/duck-float.htm

How Do Ducks Float?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/aba07896-3ffb-47f3-8ce6-b3f401065e37/transcript

Following World War II, Austrialia became embroiled in another war -- with a population of emu. Learn how the Emu War unfolded in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-events/ridiculous-history-emu-war.htm

Following World War II, Austrialia became embroiled in another war -- with a population of emu. Learn how the Emu War unfolded in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-events/ridiculous-history-emu-war.htm

BrainStuff Classics: What Was the Emu War?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/787dba94-e878-48a8-b170-b3da00cdba8c/transcript

Neurologists and philosophers alike may argue that altruism doesn't exist because no act is ever completely unselfish. Learn why -- and why humans may have evolved this way -- in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/evolution/unselfish-act.htm

Neurologists and philosophers alike may argue that altruism doesn't exist because no act is ever completely unselfish. Learn why -- and why humans may have evolved this way -- in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/evolution/unselfish-act.htm

BrainStuff Classics: Do Truly Unselfish Acts Really Exist?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/fb5799fa-3c93-456f-aafc-b3da00cdba84/transcript

BrainStuff Classics: Do Happy Cows Really Make Better Milk?

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