History is filled with horrific stories of disease wiping out millions, but how likely is such an event today? According to some conspiracy theorists, it's more plausible now than ever. Tune in to learn more about plague conspiracies.

To most people, Halloween is just a celebration of costumes and candy. However, others believe there's a diabolical agenda at work -- nothing less than a battle between Heaven and Hell. Why? Tune in to learn more about Halloween conspiracy theories.

The U.S. has the world’s largest prison population, and some prisoners are held by private companies. Proponents of this practice believe the state saves money, but not everyone buys the official story. Tune in to learn more about for-profit prisons.

What’s happening to life underwater? Tune in for a closer look at the state of ocean acidification, commercial fishing, oil spills and why some conspiracy theorists believe the public isn’t getting the full story.

The ill-fated FBI raid of the Branch Davidian compound in Waco, Texas captured international attention – but what exactly happened? Tune in to learn more about the official story – and why some people aren’t buying it – in this episode.

When an earthquake damaged Japan's Fukushima-Daiichi reactor, authorities claimed the damage was under control -- yet the public didn't know the truth. Learn more about the future of Fukushima, and why some people still don't believe the official story.

The legend of the Jersey Devil dates back for centuries, and hundreds of people have reported seeing the creature. Yet despite extensive searches, no one has conclusively proven its existence. Tune in to learn more about the search.

Built to house captured terrorists, Guantanamo Bay's prison remains extremely controversial, and experts aren't sure what will happen to the detainees. And this prison is only the beginning of the story. Tune in to learn more about black sites.

In the wake of September 11th intelligence agencies pressed for new, powerful laws, including the Patriot Act. But what is it, exactly, and why do some people think it has little to do with terrorism? Learn more in the first part of this post-9/11 series.

Scientists have noticed that patients may experience improvements just from thinking they've had medicine, even if that medicine is fake. But why does the placebo effect work, and why do some researchers believe it's growing stronger? Tune in to find out.