Stuff You Should Know

Terror management theory isn't about mid-level bureaucrats in Al-Qaeda -- so what exactly is it, and what does it say about human culture and our perception of mortality? Join Chuck and Josh as they explore the implications of terror management theory. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

In the process of parallel evolution, two seemingly unrelated species living in isolation can evolve surprisingly similar traits -- but how does it work, and why does it happen? Join Chuck and Josh as they break down the process of parallel evolution. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Could the sun, typically known for providing light and warmth, kill us? The Apollo 17 mission almost resulted in tragedy due to a mega-flare -- and astronauts aren't the only ones at risk. Join Josh and Chuck to learn more about the sun. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

They say you can't con an honest man, and that's key to thwarting cons; if it sounds too good to be true, it probably is. Learn how to avoid everything from small-time scams to the Nigerian money transfer in this captivating episode with Chuck and Josh. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Mountaintop removal mining is (to say the least) a controversial practice. But what exactly is it, how does it work and -- most importantly -- why should you care? Listen in to learn more about the effects of mountaintop removal mining. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

How does memory work? How is internet access changing the function of the human brain? In this podcast, Josh and Chuck take a closer look at the science behind memory -- and how modern technology may be changing it. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

The art of parkour is an astonishing combination of agility and physical strength pursued across the world -- but how does it work? Join Josh and Chuck as they explore the philosophy, history and pursuit of this unique form of artistic expression. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Whether you're a rollercoaster fan or avoid them like the plague, there's no denying that these contraptions are striking examples of physics at work. So how do they actually work? Join Josh and Chuck as they break down the mechanics of rollercoasters. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Whether it's oral, scrawled in blood or signed on a deathbed everyone should have a will. But how do they actually work? Join Chuck and Josh as they explain that "of sound mind" thing in this episode on wills. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Flies: They're disgusting, disease-spreading flying machines. They're also really fascinating. Flies taste with their feet, smell with their antennae and use a pair of eyes as a compass oriented to sunlight. Listen in to learn more. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

After botching a particularly tricky dish, molecular chemist Herve This decided to figure out why his recipe didn't work. He ended up creating a new field of cuisine: Molecular gastronomy. Join Josh and Chuck as they explore this new frontier of cooking. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

In an uncertain economy, investors often flock to commodities like oil, trading oil futures in a derivative market. Some believe this creates an artificially high price. Join Josh and Chuck and learn if this market is responsible for inflating gas prices. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Pop quiz: What word denotes a nation of people, a last name and an occupation? If you guessed 'Sherpa,' then congratulations: You're correct. But what exactly is a Sherpa? Tune in and learn more as Chuck and Josh explore the culture of the Sherpa people. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

In this episode, Josh and Chuck ditch the studio and head west -- south by southwest, in fact -- to record a live podcast in Austin, Texas. Tune in and learn more Stuff You Should Know about SXSW and UFOs. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Igloos were traditionally used by Inuit Indians as temporary shelter while on hunting and fishing trips. In this episode, Josh and Chuck look at the design of igloos, from their impressive heat-catching properties to their ingenious construction. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Due to a condition known as Thomsen's disease, the muscles of fainting goats tense up whenever the animal is startled. In this episode, Josh and Chuck break down the science behind this bizarre condition. Tune in and learn more. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

The recent disaster in Japan has caused massive damage and killed thousands -- but that's not all: The Fukushima nuclear plant may possibly be on the verge of a meltdown. Tune in to learn how meltdowns work, and what a meltdown would mean for Japan. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Freegans prefer scavenging, volunteering and squatting to the more mainstream consumer practices of buying, working and renting a home. But how does this actually work, and why are these people sometimes called 'Dumpster divers?' Tune in to find out. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

A mummy is a human being whose soft tissue has been preserved after death, and there are mummies around the world -- including natural mummies, as well as corpses that have been intentionally embalmed. Join Chuck and Josh to learn more.. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

It's a controversial idea, to say the least: If evidence shows that addicts tend to be irresponsible, abusive parents, then why should they have children at all? In this podcast, Josh and Chuck explore the practice (and legality) of sterilizing addicts. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Cults are conventionally understood to be unestablished, non-mainstream religious groups that follow a single leader. So what does it take to be the leader? Tune in as Josh and Chuck take a closer look at cults. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

A fossil is a piece of once-living organic material that has undergone a transition from an organic state to an inorganic state. But what exactly is fossilization? Listen in as Josh and Chuck break down the process of fossilization. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

During World War II, the U.S. interned more than 100,000 Japanese and Japanese-American citizens. In this episode, Chuck and Josh recount the events that led to these internments, along with the long-term consequences of these events. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

When high inflation, slow growth and high employment combine, they result in an unfortunate economic situation known as stagflation. But what exactly is stagflation, and how does it work? Most importantly, how can we prevent it in the future? Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

What's the deal with tickling? Why does it make people laugh, and what's the science behind the reaction? Join Chuck and Josh and listen in as they demystify the curious practice known as tickling. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.