HowStuffWorks_Conspiracy_Theories

The Club of Rome didn't stop analyzing global trends in 1972. In fact, they have been busy making "highly-educated guesses" ever since. But critics allege that the Club is up to a lot more than tracking trends.

Stories of alien abductions are found across the world. Yet according to mainstream science, there's no evidence to prove these outlandish claims. Tune in to learn more about the controversy surrounding stories of alien abductions.

At the close of WWII, US allies created secret, "stay-behind" armies, designed to protect the population in the event of a Communist invasion. So why are they linked with terrorist groups?

In the second part of our series on the 2016 presidential election we explore the facts, fiction, controversy and conspiracy theories surrounding the Clinton campaign.

You may not have heard of the biggest trade deal in recent US history -- and that's the way world governments like it. So what is this thing? Why should it matter to you?

In the wake of recent tragedies like the one at Sandy Hook Elementary, there have been numerous gun control conspiracies. Take a closer look into how these occur in light of tragic shootings.

It's no secret that income tax can be an unpopular subject, and most people think the tax code is far from perfect. But why do some people believe income tax itself is illegal? Tune in to learn more about protestors and income tax conspiracy theory.

When Anne Mitchell-Hedges found a crystal skull at a Belizean excavation site, rumors spread like wildfire. People claimed that the skulls possessed supernatural powers.

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? Tune in to learn more about Jim Jones and Leo Ryan.

Wind energy has often been touted as a clean and potentially infinite source of power. However, it isn't without critics. Some concerns seem reasonable, while others range into territory that the mainstream might call outrageous.

The 1988 bombing of Pan Am Flight 103 over Lockerbie, Scotland is officially considered the work of Libya. However, a growing number of people argue that Libya wasn't responsible - and the West knows the real culprit, but kept the information secret.

Is it true that there are more slaves alive today than at any other point in human history? What's the future of slavery and human trafficking? Join Ben and Matt as they take a closer look at the face of modern slavery.

Unfortunately, unethical human experimentation wasn't restricted to wartime or the ancient past. Tune in to learn more about unethical experimentation in the modern age, on unsuspecting civilians.

After Tupac Shakur's death, speculation about his murderer, his body and even his actual death ran rampant. So, who did kill Tupac or did he even die? Hear the facts for yourself.

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.

Cereologists don't all agree on how crop circles form, but there are some wild theories out there, including freak weather and UFOs. Also, hoaxers confessed to making hundreds of circles. Tune in to learn more about theories surrounding crop circles.

Are GMOs the wave of the future or an unprecedented danger?

What caused the unexplained symptoms and injuries of Gulf War veterans? Learn about Gulf War Syndrome and possible explanations in this video from Stuff They Don't Want You to Know.

In 1947 a mysterious object crashed to Earth at the Foster Ranch outside of Roswell, New Mexico - and more than 50 years later, people still don't agree on what happened. Check out these first two episodes of Ben and Matt's Roswell series.

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?

It seems that every few years a new moral panic sweeps through society -- and, often, video games get blamed for perceived rises in crime and violence. But is there any solid evidence supporting that? How do video games affect the human brain?

The path to the stars isn't all altruism and noble scientific advancement -- in fact, human activities in space have often been shrouded in secrecy, and the practice continues today.

While it originated online, the series of puzzles collectively known as Cicada 3301 has spread across the globe, with people finding clues on every inhabited continent. But what is it exactly? Who's behind it, and why? Tune in to learn more.

Could the New Madrid fault destroy the Midwest? Tune in to learn more.

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.