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BrainStuff

BrainStuff

What's a rice krispy How do the tides work Tune in to get Marshall Brain's explanation of everyday mysteries in this podcast from ...
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What is dynamite? How does it work?

12/11/09
Dynamite is a type of chemical explosive. Discover how explosives from gasoline to dynamite work in this episode of BrainStuff.

How do cats purr?

12/09/09
Cats tend to purr when they're happy, but pleasure isn't the only reason for this behavior. And they aren't the only animals who purr. Find ...

What is a rice krispy?

12/07/09
Like many cereals, rice krispies are made by puffing grains -- in this case, rice. Find out how rice crispies and other puffed cereals are ...

Why do batteries die but then come back to life?

12/04/09
Batteries, particularly car batteries, seem to go dead and then come back to life after a resting period. How does this self-recharging ...

How do artificial flavors work?

12/02/09
Artificial flavors imitate natural flavors and are found in many processed products. Learn more about the chemistry of flavors, both ...

Is there any way to see satellites that are in orbit?

11/30/09
There are hundreds of satellites orbiting the Earth, but it's not always easy to see them. Get Marshall's tips on how to spot satellites in ...

Why can't we breathe underwater?

11/27/09
Water is made up of hydrogen and oxygen, so why aren't we able to breathe underwater Find out in this episode of BrainStuff.

What is leather and where does it come from?

11/25/09
Most leather is made from processed cattle skin, although synthetic and other varieties exist. Learn more about leather in this episode of ...

How do satellites orbit the earth?

11/23/09
In this episode of BrainStuff, Marshall explains the physics behind satellites and orbits.

How can you measure the height of a tall tower?

11/20/09
In this episode of BrainStuff, Marshall reveals three common techniques for measuring the height of tall objects like towers.

How does the lighter in a barbeque grill work?

11/18/09
A barbeque grill has a push-button lighter that relies on piezoelectricity to generate a spark. Learn more about how piezoelectricity works ...

How does a magneto work?

11/16/09
A magneto is a kind of electrical generator used in small gasoline engines in lieu of a battery. Find out how magnetos work in this episode ...