Brainstuff

If you've been to the grocery store recently, you know that eggs come in many varieties, some claiming to be better for you than others. What differentiates a normal egg from a "special" one? Find out in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The new full-body scanners used at airports in the United States have caused a huge controversy -- but how do they work? In this episode, Marshall breaks down the science behind full-body scanners, along with the uproar they've caused. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Given that it's more than 2,000 miles across and without a gas station in sight, driving across Antarctica is a daunting task. Tune in as Marshall Brain explains how it works. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Both turbo- and super-chargers are forced inductions systems, meaning they compress the air flowing into the engine. This compression causes each cylinder of an engine to produce more power. Check out this HowStuffWorks article to learn more. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How can the same piece of glass have two different amounts of reflection? Learn more about rearview mirrors in this HowStuffWorks podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Given California's history of earthquakes and major fault lines, it's not surprising that people speculate about parts of California breaking off into the ocean. Fortunately, seismic forces don't work that way, as Marshall Brain explains in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Since astronomers can't actually travel to a star, they rely on two ingenious methods to measure a star's distance from earth. Listen in as Marshall Brain breaks down the science of space measurement in this editor's choice podcast from HowStuffWorks. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Most modern airplanes have a similar design, but NASA has a plan to move the world of aviation into the future by partnering with the world's airplane manufacturers to radically redesign the typical airplane. Tune in to learn more. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

People across the planet love olive oil, and it's not hard to see why: This tasty liquid lends flavor to hundreds of dishes, and it's been used for thousands of years. But how does it get from the tree to the bottle? Tune in to find out. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Although 3-dimensional movies have become increasingly popular, numerous viewers have complained of headaches while watching these films. Why? Tune in as HowStuffWorks.com founder Marshall Brain breaks down the science behind 3D films. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The helium used in balloons is created by uranium interacting with natural gas. Learn more about helium and uranium in this HowStuffWorks podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Subprime loans are made to borrowers who do not qualify for the best market interest rates. Learn more about subprime loans in this HowStuffWorks podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Although the human eye is able to adapt to wildly different environments, it takes a certain amount of time to adjust to sudden changes in light. Learn more about the chemicals powering the human eye in this HowStuffWorks podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Baking powder is made of three components -- an acid, a base, and a filler. Check out this HowStuffWorks podcast to learn more about baking powder. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Unlike more conventional timepieces, atomic clocks use the resonant frequency of atoms to measure the passage of time. Learn more about atomic clocks in this Brainstuff podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Air Force One is gigantic, but how does it work? This is one of our editors' favorite episodes, and it's no surprise why: Listen in for a brief, detailed look at the interior of Air Force One. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The smell of rain is often linked with spring, and it's been alluded to in poems, songs and stories for centuries. But what exactly causes this distinctive smell? Tune in and find out. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Hard candy (like a lollypop or a Jolly Rancher) is made from sugar, corn syrup, water and flavoring. Check out our HowStuffWorks article to learn how conventional candy is combined with carbon dioxide to produce Pop Rocks. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Using a telescope to view the moon is fascinating -- but could we see the leftovers of NASA's lunar expeditions? Check out this HowStuffWorks podcast to learn more about lunar landings and telescopes. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

If you've ever looked at a golf ball, you've probably noticed it has dimples. But why is that? Learn the story behind dimpled golf balls in this Brainstuff podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.