Stuff You Should Know

Charles Darwin wasn't the first or only scientist to grasp the theory of evolution through natural selection, but he became its father and icon. Learn about the man who reluctantly but bravely became the source of the divide between religion and science. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

They are among the more reviled concepts of modern life, and yet they are as inevitable as death. Join Josh and Chuck as they look into the history and the basis of income taxes in the U.S. in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

With 3D printing you can print not just pictures and words, but actual objects from files. And as costs come down, the list of things you can print expand: from food, to organs, to guns. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Landslides are a form of mass movement of the Earth, and with the amount of death and destruction they wreak on the people and towns they cover, their toll can be massive. Learn all about landslides in this episode with Josh and Chuck. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Those movies where someone gets hit on the head and can't remember who they are anymore? They're actually not too far off from the reality of amnesia. Learn everything about this bizarre and life-robbing condition with Josh and Chuck. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

It is literally all around you (and even inside you) - electricity makes up the basis of modern life. But what exactly is electricity and how does it work? Josh and Chuck chase away the darkness and explain electricity in their usual electrifying way. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Most Europeans first encountered tattoos after sailors visiting the South Pacific returned covered in them. From then on, with a few notable exceptions, tattoos have been associated with fringe dwellers in the West. Learn all about tats in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Black boxes are designed to be the only survivor of plane crashes so they can live to tell the tale of what went wrong to prevent future accidents. Learn about how these grim devices are made, how they're tested and the tales they've told. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Skateboarding started out as something bored surfers did when the waves weren't breaking, but after a few improvements to the design, it took off like a rocket to become its own cultural phenomenon. Come gleam the cube with Josh and Chuck. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

No longer weird, possibly still desperate and approaching normal, online dating's been around almost as long as the Internet itself. So what exactly is the best way to find love online if one were so inclined to do so? Josh and Chuck hook you up. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

The idea of pious monks imbued with unbridled power and with a penchant for dealing torture and death is a scary one indeed, and one both Spain and the Catholic Church have tried to reconcile since the Spanish Inquisition ended in the 19th century. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

On May 4, 1970, four days of anti-war protests at Kent State University in Ohio culminated in the unthinkable when Ohio guardsmen opened fire on protesters, killing four students. How could this tragedy take place? Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Their soft white bodies look creepy and, to be sure, they are, but termites are pretty amazing bugs. They build ventilation systems into their mounds, poop on their enemies and grow mushrooms. Learn all the neat stuff you didn't know about termites here. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Amputation is one of the oldest surgeries and an even older punishment for crime, but it wasn't until the American Civil War and its 50,000 amputations that the procedure began to hit its stride. Learn about amputation and who it attracts in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

A Roman senator once said, "Mankind can live without gold, but not without salt." Right he was. The human body needs salt so much we have developed a taste for it specifically. But too much salt can be toxic. Learn about salt's role in human history and how we get it from the Earth in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

You know the cavemen, a race of human cousins who lived exclusively in caves? They didn't exist. Sure prehistoric hominids used caves sometimes but they lived in other places too. Luckily the time they spent in caves has given us a glance at their culture thanks to the protective environments of caves. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Since Sartre classified things that make us happy into the categories of having and doing, science took up the investigation into materialism and experientialism. The results have been in for a while: experiences win by a wide margin, but why exactly? Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

It wasn't until the was developed and despite its co-existence alongside English, a user would be hard-pressed to sign with a British person. Find out about the independent evolution of sign language in the U.S. and how intuitively sensible it is. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

With savvy and health-conscious people taking control of their wellbeing through apps and sites, technology is meeting the desire for individuals' responsibility for their health. But is the day coming soon when doctors will be obsolete, replaced by computers that read our health-related data to treat us? Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Back in the early 20th-century mysterious skulls made from polished crystals began to enter the collections of private enthusiasts of the occult. Discovered by adventurers raiding sacred areas of the ancient world, these skulls were said to possess unusual supernatural powers and their owners, who could use them to "will death" to others. Learn about the strange history of these curious and suspect archaeological finds in this lost episode of Stuff You Should Know. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.