Right Now in Stuff You Should Know

For thousands of years, societies across the globe have used herbs as medicine. While this practice continues today, the FDA does not regulate these potent substances. Find out why the FDA can't regulate herbal supplements in this HowStuffWorks podcast.

Did the CIA test LSD on unsuspecting Americans?

As more and more time passes, the Freedom of Information Act provides increasingly disturbing stories of illegal CIA operations. Check out this HowStuffWorks podcast to learn more about MKULTRA and illegal CIA operations in the United States.

How Mortgage-backed Securities Work

The 2008 US financial crisis has been blamed on the excessive use of mortgage-backed securities. But what exactly is a mortgage-backed security? Learn more about these securities and how they contributed to the crisis in this HowStuffWorks podcast.

Why do grooms carry brides over the threshold?

Marriage is an ancient custom, and today's wedding practices come from age-old traditions. Check out this HowStuffWorks podcast to learn more about the history behind marriage traditions.

How Prayer Healing Works

Studies have shown that prayer has a positive effect on individuals, but can your prayer heal someone else? Check out this HowStuffWorks podcast to find out how science weighs in on the power of intercessory prayer -- and if it should at all.

Is a free market "free" if it's regulated?

Prices in a free market are determined by the law of supply and demand, yet the US government has recently given billions of dollars to rescue large corporations. Check out this HowStuffWorks podcast to learn whether or not the US is still a free market.

How do Tibetans avoid altitude sickness?

Due to the region's elevation, the average traveler to Tibet often experiences altitude sickness -- a condition caused by a lack of oxygen in the blood. Check out this HowStuffWorks podcast to learn how Tibetans have adapted to life in high altitudes.

How the Bailout Works

The economy imploded as US banks reaped the consequences of subprime mortgage trades. Controversially, Congress has provided emergency funding for the banks. Learn more about the agreement between Washington and Wall Street in this HowStuffWorks podcast.

How Living Off the Grid Works

If you're tired of paying utility bills or relying on fossil fuels, it might be time to consider living off the grid. Check out this HowStuffWorks podcast to learn more about the techniques and strategies used by people living off the grid.

Will we soon be extinct?

Is Earth due for a mass extinction? Population ecologists think so. Check out this HowStuffWorks podcast to learn more mass extinctions.

How Cannibalism Works

Cannibalism is one of humanity's near-universal taboos, but it has been practiced in widely varying circumstances throughout history. Check out this HowStuffWorks podcast to learn the difference between the three types of cannibalism.

How Entomophagy Works

Entomophagy -- the practice of eating insects -- is common outside of Europe and North America. Despite cultural taboos, you've probably eaten insects without knowing it. Check out our HowStuffWorks podcast to learn more about entomophagy.

How China's Pollution Sniffers Work

In China's Guangdong province, twelve volunteers have been trained to detect harmful pollution by using their sense of smell. Check out this HowStuffWorks podcast to learn more about China's pollution sniffers.

How Delta Force Works

With the world's best weaponry, a shadowy legal status, and almost no oversight, Delta Force is the stuff of military legend. Check out this HowStuffWorks podcast to learn why Delta Force was created, and how this group works.

How Graceland Works

Graceland attracts millions of visitors every year. Check out this HowStuffWorks podcast to learn more about Elvis and Graceland, which Elvis bought when he was only 22 years old.

Is quitting smoking contagious?

Everyone knows it's tough to quit smoking -- but did you know quitting can be contagious? Check out this HowStuffWorks podcast to learn more about smoking.

How Can I Erase My Identity and Start Over?

Everyone dreams of snagging a fresh start at life. Whether you've thought of changing your dull given name, or just disappearing entirely, this HowStuffWorks podcast will tell you what it takes to erase your identity.

What's the ultimatum game?

The ultimatum game is an economics experiment that provides insight into the human psyche. Check out our HowStuffWorks podcast to learn about the rules to the ultimatum game.

Why don't we live underground?

Humanity has adapted to life on the surface. We like sunlight and fresh air -- but do we need it to survive? Check out this HowStuffWorks podcast to learn more about living underground.

Is sleep that important?

Sleep is one of those funny things about being a human being -- you just have to do it. Have you ever wondered why? Check out our HowStuffWorks article to learn more about the importance of sleep.