The way we tip and pay servers in North American restaurants fosters unfair and unequal paychecks for the whole staff. But it's so entrenched -- how can we fix it? Learn more in this classic episode of BrainStuff, based on this article: https://money.howstuffworks.com/when-will-reach-tipping-point-for-tipping.htm

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After winemakers extract grapes' juice, they're left with a lot of fruit skins and pulp. Learn what happens to all that goo in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/environmental/green-tech/sustainable/what-do-winemakers-do-with-grape-waste.htm

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A number of factors can contribute to a military taking over its government. Learn about them, and why it's unlikely to happen in the U.S., in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/coup.htm

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Our dogs' and cats' diets aren't very environmentally friendly, but lab-grown meat could change that. Learn how in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/pets/lab-grown-meat-pet-food-world.htm

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Most spiders are completely harmless to humans, but a few can do damage. Learn which ones are the most potentially dangerous in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/arachnids/deadliest-spider.htm

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In the 1700s, a war was (technically) started over a lost ear. Learn about the War of Jenkins' Ear in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/history-vs-myth/jenkins-ear.htm

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In the Northern Hemisphere, the longest day of daylight in the year happens every June. Learn what causes this and how it works in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/environmental/earth/geophysics/5-things-didnt-know-about-summer-solstice.htm

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In 1947, U.S. military scientists launched the very first Earth animals into space: fruit flies. Learn about their trip to the final frontier in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/why-fruit-flies-were-first-animals-in-space.htm

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Juneteenth is a holiday celebrating Black American independence and commemorating the ongoing struggle for equality. Learn the history of Juneteenth in this classic episode of BrainStuff, based on this article: https://history.howstuffworks.com/american-civil-war/juneteeth.htm

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Vaccine hesitancy has existed for as long as vaccines have. Learn why it's normal and how to help people calm their concerns in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/wellness/preventive-care/vaccine-hesitancy-not-new-news.htm

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