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  • 2010-01-02T05:00:00Z on Discovery
  • 5m
  • 4h 25m (53 episodes)
  • United States
  • Documentary, Drama, Special Interest
From UFOs to psychic powers and government conspiracies, history is riddled with unexplained events. Get a closer look at the Stuff They Don't Want You To Know in this video podcast from HowStuffWorks.com.

53 episodes

Season Premiere

2010-01-02T05:00:00Z

2010x01 Does the CIA use body doubles?

Season Premiere

2010x01 Does the CIA use body doubles?

  • 2010-01-02T05:00:00Z5m

Over the past decades, the CIA has been accused of everything from selling guns to assassinating people. Yet that's not the craziest part: Some people believe the CIA is actually replacing its enemies. Tune in and learn more in this episode.

Everyone has heard stories about sasquatch sightings, and tales of wild ape-men date back into prehistory. So why haven't we caught one yet? Learn more about bigfoot in this episode.

Cultures across the planet have legends describing giant, human-like creatures. Usually, these stories are dismissed as folklore -- yet some people believe a race of giants did exist at some point in Earth's past. Tune in and learn more in this episode.

For centuries, the achievements of the past baffled modern societies. How could ancient empires build architectural marvels like the pyramids or the Nazca lines? Tune in and learn more about the conspiracy theorists who think they've found the answer.

According to mainstream science, dinosaur populations were wiped out eons ago. Or were they? Discover why some cryptozoologists and theorists believe that dinosaurs still exist today in this episode of Stuff They Don't Want You to Know.

Through the management of currency and interest, the Federal Reserve attempts to keep banks secure -- but some believe it has another purpose. Tune in and learn what conspiracy theorists think about the Fed in this episode.

For ufologists and skeptics alike, Project Blue Book had the potential to be a gold mine. Learn how the US Air Force launched an official UFO investigation that spanned decades -- and why some people suspect a conspiracy -- in this episode.

People have told vampire legends for thousands of years, and the monster's image has continuously changed over time. You already know that some people believe in vampires -- but what kind? Listen in and learn more about energy vampires in this episode.

Tasked with building Stalin's new army of super soldiers, Russian scientist Dr. Ilya Ivanov attempted to breed monkeys and human beings. Learn more about humanzees -- and the people who think they already exist -- in this podcast.

In certain parts of the world, groups of people from all walks of life claim to hear a continuous hum. Yet not everyone can hear this noise, and there's no hard proof of its existence. Tune in and learn more about the mysterious hum in this episode.

When impoverished inventor Nikola Tesla died in New York City, the U.S. government confiscated his notes. Why? Were they trying to steal his technology? Did they ever relinquish the notes? Tune in to this episode to find out.

During the Cold War, a group of Soviet hikers disappeared in the Ural mountains. When they were finally discovered, it was clear that something had killed them -- but what, exactly? Learn more about the incident at Dyatlov's Pass in this podcast.

Project STARGATE may sound like something out of a science fiction novel, but for years taxpayer cash funded experiments with psychic powers. Tune in to learn more about the Cold War psychics -- and why some people believe these programs continue today.

Through the practice of biological warfare, human beings have used disease as a weapon for centuries. Yet many conspiracists believe the practice continues into the modern age. Why? Tune in and learn more about the possibilities of manmade disease.

A few fringe professors have caused rumblings with their controversial claim that three hundred years of human history have been entirely made up. But why do they believe in phantom time, and how do they think it happened? Tune in to learn more.

Modern civilization depends on energy from fossil fuels. But in a world of increasing consumption and decreasing resources, how long will fossil fuel supplies last? Tune in and learn more about the debate over peak oil in this podcast.

Wilhelm Reich was a big fan of Freudian psychology, but he took it one step further. Tune in to learn more about Reich's alleged discovery of orgone energy -- and why some people think the US government suppressed his studies -- in this podcast.

Since vaccines have become widely available, many diseases have become less of a threat to the global population. However, some people believe that vaccines aren't all they're cracked up to be. Tune in and learn more about vaccination conspiracy theories.

Many science-fiction stories focus on the idea of possession -- the concept of some alien force dominating otherwise normal people and forcing them to behave in strange ways. Could any of these stories be based in fact? Learn more in this podcast.

The Federal Emergency Management Agency was created in 1976 to handle domestic emergencies, but conspiracy theorists allege that FEMA's mission is anything but benevolent. Learn more about FEMA "camps" and FEMA-related conspiracies in this episode.

Earthquakes are terrifying reminders that some of Earth's processes remain beyond human control. So why do some people think scientists can actually create these disasters? Learn more about earthquake conspiracy theories in this podcast.

Pope John Paul I had one of the shortest reigns in Papal history, dying thirty-three days after his appointment. The official cause of death was heart failure, but some journalists and conspiracy theorists suspect foul play. Tune in and learn why.

By all accounts, General Butler was a national hero. So when he told Congress that a group of businessmen were periously close to overthrowing the US government, lawmakers took him seriously. Tune in and learn what happened next in this podcast.

Between 1966 and 1967, witnesses across Point Pleasant reported a rash of paranormal activity, leading up to the largest bridge collapse in US history. But what actually happened -- and what on Earth is the Mothman? Tune in and learn more in this podcast.

To some, genetically-modified food is the wave of the future -- and also the only way to feed the world's population. To others, it's a bad idea pushed by profit-hungry conglomerates, or something even stranger. Tune in and learn more in this podcast.

Everyone's familiar with the idea of UFOs, those mysterious airborne objects often linked with extraterrestrials -- but what if there weren't any aliens involved? Tune in and learn why some people believe Nazis may be responsible for modern UFO sightings.

The Denver International Airport opened in 1995. But some people say it's no ordinary airport, and they believe something lurks beneath the tarmac. Learn more about the conspiracy theories surrounding Denver's airport in this podcast.

Everyone's heard of UFOs, but what about unidentified submerged objects? This episode takes a look at the bizarre Shag Harbour event, in which a mysterious object crashed from the sky -- and allegedly escaped weeks later. Tune in to learn more about USOs.

If electric cars have been around since the 19th century, then why haven't they become more widespread? Skeptics say the technology isn't viable yet, but conspiracy theorists think there's more to the story. Tune in and learn more in this podcast.

The difference between misinformation and disinformation is one of intent: Misinformation is accidental, while disinformation is purposely spread. Tune in to learn more about propaganda techniques -- and what makes a disinfo agent -- in this episode.

John F. Kennedy and Abraham Lincoln are two of history's most popular and influential U.S. presidents -- unfortunately, they were both also assassinated. Yet some people believe we're missing the big picture behind these deaths.Want to know more? Tune in.

It's no secret that older maps were inaccurate, or completely unreliable. Yet fringe historians believe that some ancient maps are more than error-ridden antiquities. In fact, they think these maps may change history as we know it. Tune in and learn why.

Decades of strange accidents and alleged disappearances have given the Bermuda triangle a terrible reputation -- but how much of this is deserved? Tune in to learn more about the paranormal theories and skepticism concerning the Bermuda Triangle.

Wikileaks allows whistleblowers across the planet to anonymously submit reports of crime by businesses, individuals and governments. Tune in and learn why some people, including the U.S. government, want the site shut down.

The Baghdad batteries and the Antikythera mechanism have puzzled many historians -- they just appear too advanced for their time. Where did they come from? Listen in and learn why some people think we've drastically underestimated ancient civilizations.

On July 16th, 1945 the first atomic bomb test ushered in a new era of warfare, with weapons capable of killing millions. But how many countries own nukes today, and how did they get them? The answers may surprise you. Tune in to learn more.

In 1978, hundreds of Peoples Temple members committed mass suicide by swallowing poison at Jim Jones' command. But how did this happen? Why do some people believe it was part of a government plot? Learn more about Jim Jones and Leo Ryan in this podcast.

When users take DMT they experience vivid hallucinations. Some users even believe they have communicated with nonhuman creatures while on DMT -- but why? Tune in to find out why they believe this -- and why some scientists are listening.

What if Canada, Mexico and the United States became part of something like the European Union? According to conspiracy theorists, the North American Union is already under construction and the dollar's decline is no accident. Tune in to learn more.

Today werewolves are staple monsters in horror movies and Halloween costume shops, but for centuries people believed that human beings could transform into wolves. Why? Tune in and learn some of the possible causes of werewolf legends in this podcast.

Gary Webb was a journalist who alleged that the CIA allowed Nicaraguan Contras to smuggle huge amounts of cocaine into LA as a way to fund wars in their home country. His claims were criticized or ignored, and eventually he committed suicide -- or did he?

In countless works of fiction, authors use quantum mechanics to explain things like telepathy, teleportation or the shape of the universe. Why? Tune in to learn more about quantum physics -- and why, in some cases, the truth may be stranger than fiction.

For decades before the publication of Dan Brown's novels, conspiracy theorists were convinced that the Catholic Church held numerous Earth-shaking revelations within its secret archives. But what's really in there? Tune in to learn more.

Scientists at the PEAR laboratories noticed something odd during their work with coincidence: Some humans seemed to influence random numbers with nothing but their thoughts. Could this be pseudoscience, or a scientific breakthrough? Tune in to learn more.

2010-11-06T04:00:00Z

2010x45 Are exorcisms real?

2010x45 Are exorcisms real?

  • 2010-11-06T04:00:00Z5m

Human beings have believed in possession -- and exorcism -- for thousands of years. Nowadays most people associate exorcisms with horror movies, but are there any real exorcisms in the modern age? Tune in and learn more about exorcisms in this podcast.

There's no denying that China has major investments in countries across Africa, but what does it mean in the long-term? Tune in to learn why some politicians and conspiracy theorists believe that China is actually colonizing Africa.

For decades conspiracy theorists have accused the government of hiding evidence of aliens or imminent world disasters, but could the governments of the world actually be planning to fake an apocalypse? Tune in to learn more about Project Blue Beam.

The Illuminati have been blamed for everything from the revolutions to climate change, but why? Watch this segment of a continuing series to learn more about the founding of the Illuminati -- and why some people believe it disbanded centuries ago.

While mainstream historians agree that the Bavarian Illuminati was founded by Adam Weishaupt in the 18th century, conspiracy theorists think the group is much older. Tune in to hear some of the most bizarre theories about the Illuminati's history.

While skeptics believe the Illuminati disbanded in the 18th century, conspiracy theorists think the organization still exists -- and has nearly accomplished its ancient goals. But what are these goals? Tune in and learn more about conspiracy theories.

People have always been preoccupied with what happens to us after we die, leading some to believe in the existence of ghosts. But is there any real, conclusive evidence that these supernatural beings exist? Tune in to find out.

After World War II, conspiracy theorists started making increasingly strange claims about the Nazi party: One of the strangest claims concerns magic. But why do people believe the Nazi party practiced magic -- even more importantly, is it true?

The FDA is meant to protect consumers, but some conspiracy theorists believe it was built to control the food supply. In fact, they claim UN accords take this plan one step further. Why? Tune in to learn more about food supply conspiracies.

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