This film was directed by art film director Chuck Workman, well known for directing the annual Academy Award retrospective segments. Also features the screen debut of Danny DeVito.

Is there a negative correlation between happiness and intelligence? Is ignorance truly bliss? Josh and Chuck attempt to answer this age-old question by exploring the "science" of happiness in this podcast from HowStuffWorks.com.

Chuck and Josh test the limits of their decorum as they explore the physiology of an orgasm. Learn all about this inexplicably taboo subject (including how even women who are paralyzed can experience orgasms) in this episode of Stuff You Should Know.

Biospeleology is the scientific study of cave organisms and ecosystems. In this episode, amateur biospeleologists Josh and Chuck explore the dark, dank world of caves and the weird and wonderful creatures that live in them.

Chuck and Josh discuss five of the most bizarre government experiments, from transplanted puppy heads to Cold War psychics, in this episode.

Josh and Chuck share the story of their recent eye-opening trip to Guatemala, which was sponsored by a nonprofit organization called Cooperative for Education, in this very special episode of Stuff You Should Know.

Hate is generally defined as an extreme hostility to something or someone, usually stemming from fear, anger or a sense of injury. But how does it work? Join Josh and Chuck as they dig into the nature of hate.

Mercenaries are soldiers of fortune who fight in wars and conflicts for profit. Join Josh and Chuck as they explore the fascinating history of mercenaries past and present in this episode of Stuff You Should Know.

Today, millions of people around the world are homeless. In this episode, Josh and Chuck take a look at homelessness in the United States, discussing everything from the factors that lead to homelessness to what you can do to help alleviate the situation.

Josh and Chuck discuss the Braille alphabet -- from its origins in Charles Barbier's "night writing" system to the many Braille codes that exist today -- in this episode of Stuff You Should Know.