BrainStuff

Latest Episodes:

How do retractable roofs in convertible stadiums work? Jan 19, 2015

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Retractable roofs are the latest trend in sports stadium design. Marshall highlights multiple examples of convertible stadiums in the United States and explains how they work in this episode.

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How do strokes work? Jan 16, 2015

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In a stroke, something disrupts the normal blood supply to parts of the brain. Without oxygen, affected brain cells will begin to die. Tune in as Marshall explains the causes of -- and treatments for -- strokes.

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Semi Submarines Jan 12, 2015

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There's a reason that most submarines are owned by governments - they're incredibly expensive. So what's a sub-loving consumer to do? Tune in as Marshall Brain breaks down the science behind semi subs (and why it makes them so much less expensive).

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How do neon and fluorescent lights differ? Jan 07, 2015

Show notes

Neon and fluorescent lights differ in several ways, including bulb shape, color of light emitted and substances used to produce that light. Find out how neon and fluorescent lights work in this podcast from HowStuffWorks.com.

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How does a dollar bill changer work? Jan 05, 2015

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A dollar bill changer doesn't just have to sense a bill's denomination -- it also needs to be able to tell whether bills are fake. Join Marshall Brain as he breaks down the science behind bill changers in this podcast from HowStuffWorks.com.

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What is carrageenan? Jan 02, 2015

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Carrageenan is a gum derived from seaweed that helps processed food withstand the rigors of transportation and long waits in warehouses. Learn more about the role that carrageenan plays in food by checking out this podcast from HowStuffWorks.com.

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What's the birthday paradox? Dec 31, 2014

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In a group of 20, there's a 50/50 chance that two people will have the same birthday; this is called the birthday paradox. Find out how it works in this podcast from HowStuffWorks.com.

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How long before sharks start going extinct? Dec 29, 2014

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Sharks are ancient, fierce creatures, but they're also in danger of extinction on many fronts. Discover all the factors that make sharks vulnerable -- and what you can do to help -- in this podcast from HowStuffWorks.com.

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How Replacing Toilets Works Dec 24, 2014

Show notes

A family of four can consume more than 300 gallons of water per day. Old toilets use 5 gallons per flush, and this water use quickly adds up. Check out this HowStuffWorks podcast and learn why cities across the US are replacing their old commodes.

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Why are my power bills so high? Dec 22, 2014

Show notes

When it comes to energy usage, heating and cooling appliances contribute the most to your power bill. Tune in to find out which appliances are the most power-hungry -- and why -- in this podcast from HowStuffWorks.com.

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