It's no secret that inequality is rising in countries around the world, but what does this mean for the future? What is the middle class, exactly -- and why do some people believe it's going extinct?

Is it possible that one day all the world's decisions will be made by AI?

Is it possible that someone has been playing both sides of the financial fence, seeking to destabilize markets for their own purposes?

The ascendance of Pope Francis has led to a revival of Jesuit conspiracy theories. But why? Who are the Jesuits, exactly?

What triggered the massive explosion over Tunguska in 1908? Join Matt, Ben, and special guest Joe McCormick as they take a closer look at one of the most mysterious catastrophes in history.

They're supposed to help people across the planet -- so why doesn't everyone trust NGOs?

From Iran to London, it seems that being a scientist has become an increasingly dangerous occupation.

In today's episode, our friends at TechStuff join us for a closer look at the tricky business of staying anonymous on the internet, as well as the facts about the NSA's surveillance program.

It's here! After an overwhelming wave of emails and messages from listeners, Matt and Ben are finally presenting, in full, the the ghost story from the first listener mail episode.

File this under "stranger than fiction": In more than a dozen sites across Gabon, scientists have found evidence of ancient nuclear reactors. How ancient? Try two billion years. But how did this happen? Why?

Although most people might assume that the Bible has always existed in its present state, that answer couldn't be any further from the truth. Tune in to learn more about how the bible has changed over time -- including what got added in, taken out and why

Did Nazis really have a department for paranormal investigations?

Will your future online purchases, delivery food and more be delivered by drones? Will law enforcement fly them continuously over your city, town or neighborhood? Tune in to learn more about the possible future of drones.

Whether you're sipping a soda, grabbing some fast food or eating ready-made snacks from the local grocery store, chances are that you're ingesting a number of "barely-food" chemicals used to preserve color, taste or texture. But what are these, exactly? A

No, not the band featuring Sting. What if the actual, local law enforcement in the your neck of the global woods started using military-grade weaponry, patrolling the streets with the same door-to-door tactics used in occupied countries? According to some

You've probably heard about Nikola Tesla, but what about Thomas Henry Moray? Listen in to learn why some people believe this little-known electrical engineer may have discovered a revolutionary zero-point energy device.

From hidden catacombs to wild rumors about a hollow earth, the world is full of subterranean stories. But which are total bunk, and which have the ring of truth? Tune in to learn more.

Why do some people believe the Middle Ages never happened? Can we really trust our calendars? Do current world powers have a compelling interest in suppressing our knowledge of the past? Listen in and learn more with Matt and Ben.

It sounds like the plot of a James Bond film: Some shadowy supervillain holds the world for ransom while threatening to destroy civilization with an earthquake, floods or volcanic eruptions. But some believe that humanity has more control over Earth's tha

Could alien life forms really contact human beings? How would they do it? Is it possible that other humans could intercept the message -- and keep it secret? Listen in to learn more.

Have you written to the guys on Facebook or Twitter? Sent an email? Then tune in as they answer your questions and more on air in this special listener mail edition of Stuff They Don't Want You To Know.

It sounds like something out of a paranoid political thriller - one journalist stumbles across a vast international conspiracy involving the world's most important leaders and corporations. But could it be true? What is the Octopus, and what happened to D

Will someone alive today live forever? Can science create real-life zombies? Are there any real examples of the 'walking dead' around today?

Every year tax activists of one sort or another try to avoid paying federal or state levies -- but why? Tune in to learn more about taxation conspiracy theories.

We've all heard about Neanderthals -- but what else was out there? Join the guys as they take a closer look at the facts behind the folklore, digging deeper to see if there's any grain of truth to the legends of giants, gnomes and more.