BrainStuff

Latest Episodes:

How Boogers and Mucuous Membranes Work Jun 22, 2015

Show notes

Mucous contains mostly water and mucin -- a branched polysaccharide. When polysaccharides such as mucin or cornstarch are mixed with water, the result is a sticky substance.

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Can we make gasoline from bacteria? Jun 19, 2015

Show notes

A new company is claiming that, next year, the problems of carbon emissions, foreign oil dependence, oil spills, fuel shortages, etc. will all end due to a breakthrough in biotechnology. Is it true?

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What is the difference between good and bad toy helicopters? Jun 15, 2015

Show notes

Can you buy a good, long-lasting toy helicopter for under $30?

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Why do human beings have eyebrows? Jun 10, 2015

Show notes

Eyebrows are prominent human features, but what purpose do they serve? Scientists think they help keep stuff out of our eyes and aid in nonverbal communication, among other things. Learn more about eyebrows in this episode.

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Where do salad dressings get their bizarre names? Jun 08, 2015

Show notes

Salad dressings like Ranch and Thousand Island are traditional favorites, but have you ever wondered how they got their names? Marshall Brain reveals what salad dressings are made of -- and where their famous names came from -- in this episode.

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How Botulism Works Jun 05, 2015

Show notes

Botulism bacteria creates a type of poisoning and paralysis -- but how does it actually work? Check out this HowStuffWorks podcast to learn more about the effects and spread of botulism.

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How Diaper Crystals Work Jun 03, 2015

Show notes

Most disposable diapers contain a crystalline, absorbent substance called sodium polyacrylate. Learn how this polymer helps contain messes -- and some of the controversy surrounding this substance -- in this podcast from HowStuffWorks.

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How V-chips Work Jun 01, 2015

Show notes

As of 1999, all TV sets sold in the Untied States are required to contain a viewer-control chip, also known as a v-chip. Check out this HowStuffWorks podcast to learn more about v-chips and television ratings

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How do aircraft carriers work? May 29, 2015

Show notes

Aircraft carriers contain some of the most advanced technology in the world. Learn more about aircraft and aircraft carriers in this podcast.

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How does an upside down airplane's engine get fuel? May 27, 2015

Show notes

Airplanes rely on gravity to disperse fuel to the engine, but what happens when the plane is flying upside down? Tune in to this podcast from HowStuffWorks.com to discover ways that acrobatic planes fly upside down without crashing.

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