Brainstuff
BrainStuff
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What's the deal with milk?
Milk is often touted as a "miracle drink," full of ...
Milk is often touted as a "miracle drink," full of restorative, nutritional properties. And there's some truth to this claim. Find out why mammal milk is called "the perfect food" in this podcast from HowStuffWorks.com.
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How do one-way mirrors work?
One-way mirrors are ubiquitous in crime dramas, but how do ...
One-way mirrors are ubiquitous in crime dramas, but how do they work? Discover the secret behind one-way mirrors in this episode of BrainStuff.
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Why does lettuce stored in a bag stay fresh longer?
Many foods you'll find at the grocery store -- like ...
Many foods you'll find at the grocery store -- like lettuce, for example -- are stored in special plastic packaging called MAP that helps them stay fresh longer. Find out what MAP is, and how it keeps food fresh longer, in this episode of BrainStuff.
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How much sugar do they really put in soda?
Sodas and soft drinks contain a surprising amount of sugar ...
Sodas and soft drinks contain a surprising amount of sugar -- more than you might expect. Tune in as Marshall Brain reveals how much sugar is in soda in this episode of BrainStuff.
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What is market capitalization?
If all the money in the US only totals 8 ...
If all the money in the US only totals 8 trillion dollars, how can the New York Stock Exchange have stocks valued at 26 trillion dollars? Tune in as Marshall Brain breaks down the practice of stock capitalization in this podcast from HowStuffWorks.com.
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What causes that howling sound in PA systems?
A public address system's speakers emit strange noises, or feedback, ...
A public address system's speakers emit strange noises, or feedback, when sound gets re-amplified. Get a detailed explanation of how feedback occurs in this podcast from HowStuffWorks.com.A public address system's speakers emit strange noises, or feedback, when sound gets re-amplified. Get a detailed explanation of how feedback occurs in this podcast from HowStuffWorks.com.
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How does safety glass work?
Laminated safety glass has been around since the 1920s. Find ...
Laminated safety glass has been around since the 1920s. Find out how safety glass is made, how it works and what it's used for in this episode of BrainStuff.
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Why shouldn't you go swimming right after a meal?
As children, many of us have been admonished not to ...
As children, many of us have been admonished not to go swimming for at least an hour after eating. But, as it turns out, there's biology behind this commonplace advice. Tune in to this episode to find out why you shouldn't swim right after you eat.
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Why can you hear the ocean in a seashell?
There are various theories about why you can hear ocean-like ...
There are various theories about why you can hear ocean-like sounds when you hold a seashell up to your ear. Marshall Brain explains what you're probably hearing in that seashell -- and why you don't need a shell to hear it -- in this episode.
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What is an Omega-3 fatty acid?
Omega-3 fatty acids are essential to the human body. Tune ...
Omega-3 fatty acids are essential to the human body. Tune in to hear Marshall Brain explain the chemistry of fat molecules and fatty acids, Omega-3s in particular, in this podcast from HowStuffWorks.com.
