Stuff You Should Know

Volcanic eruptions are destructive and often newsworthy events, but why do they occur? What are volcanoes? In this episode, Josh and Chuck take a look (but not too close) at the forces at work behind Earth's geological "hotheads."

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Immigration systems regulate the flow of foreign immigrants into any given country. But why is immigration such a controversial topic, especially in the United States? In this episode, Josh and Chuck delve into the details and debate behind immigration.

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Today, millions of people around the world are homeless. In this episode, Josh and Chuck take a look at homelessness in the United States, discussing everything from the factors that lead to homelessness to what you can do to help alleviate the situation.

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Most people know what a migraine headache is -- some from painful experience -- but there's a lot more to this "neurobiological condition" than an achy noggin. Josh and Chuck explore the symptoms, triggers and mysteries of migraines in this episode.

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Agritourism marries farming and tourism, but why do people pay to pick apples or work on a farm? And who does agritourism benefit? Josh and Chuck explore the history and various incarnations of agritourism, as well as the rationale behind it.

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Hanukkah is an eight-day Jewish holiday, but what's it all about? And why do some people think of it as "Jewish Christmas"? In this episode, Josh and Chuck share Stuff You Should Know about Hanukkah.

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Demolition and construction creates a lot of waste, so renovating your house is generally a "greener" option. In this episode, Josh and Chuck explore some green renovation and construction options.

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The rules of war are agreed-upon rules that are intended to govern international wars and conflicts. Who developed these rules? And do countries really abide by them? Josh and Chuck take a detailed look at how the rules of war work in this episode.

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Circumcision is a common practice in which the foreskin of a male's penis is removed, typically as a baby. Josh and Chuck take a look at the origins, practices, and arguments for and against circumcision in this episode.

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Dreadlocks are matted coils of hair that form a very distinctive (and often misunderstood) hairstyle. So what's the deal with dreads? In this episode, Josh and Chuck examine the long history of dreadlocks and walk you through the process of dreading hair.

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