Right Now in BrainStuff

BrainStuff: How Does a Chicken's Egg Get Its Shell?

Which came first -- the chicken or the egg? Watch as BrainStuff gives the technical answer -- and takes a look at the science behind eggshell formation.

BrainStuff: How Do Space Suits Work?

Space suits provide oxygen, pressurize air, and control an astronaut's temperature. Learn more about space suits in this episode of BrainStuff.

BrainStuff: How Does The Lightsaber Effect Work?

Unfortunately lightsabers aren't real. The technique used to produce the lightsaber effect is simple, but tedious. Check out this episode of BrainStuff to learn more about the special effects behind lightsabers.

BrainStuff: How Do You Make Clear Ice?

What makes some ice cloudy and some perfectly clear? Discover the answer and learn how to make your own batch of clear cubes in this episode of BrainStuff.

BrainStuff: Why Do Hurricanes Have Such Peculiar Paths?

Hurricanes are enormously destructive, and sometimes seem to have a mind of their own. Tune in to this episode of BrainStuff to learn more about hurricanes.

Different types of racing vehicles require different types of fuel. Check out this HowStuffWorks podcast to learn more about the advantages and drawbacks of each fuel type.

BrainStuff: What Is The Total Amount Of Gold In The World?

Have you ever wondered how much gold the world has produced over time? Find out in the episode of BrainStuff.

BrainStuff: Why do limbs fall asleep?

Pressure on nerves can cause the nerves to stop sending impulses to the brain, causing limbs to fall asleep. Learn more about limbs falling asleep in this episode of BrainStuff.

BrainStuff: Why Does Alka-Seltzer Fizz?

The fizzing you see when you drop an Alka-Seltzer tablet in water is the same sort of fizzing that you see from baking powder. This reaction is caused by an acid reacting with a base. Check out this BrainStuff episode to learn more.

BrainStuff: How Do Polygraph Machines Work?

Also known as 'lie detectors,' polygraphs are used to record an individual's vital signs, such as breathing rate, pulse, and so forth. Check out this episode of BrainStuff to learn more about polygraphs and the art of lie detection.

BrainStuff: Do The Humps On Camels Hold Water?

The camel's hump is a giant deposit of fat that lets the camel survive up to 2 weeks without food. Learn more about camels in this episode of BrainStuff.

BrainStuff: How Do You Create "Fog"?

There are a few methods for creating "fog," including glycerine-based fog juice as well as dry ice. Check out this episode of BrainStuff to learn how to "fog" up your Halloween party.

BrainStuff: How Does The Nobel Prize Work?

Nobel Prizes are highly prestigious, valuable awards that have been given out to visionaries and pioneers in select fields since 1901. Tune in to find out more about the Nobel Prize in this episode of BrainStuff.

BrainStuff: Where Do Bullets Go When Fired Into The Air?

When people fire guns into the air in a celebratory manner, those bullets have to go somewhere. Find out how high fired bullets can go -- and why they can be dangerous -- in this episode of BrainStuff.

BrainStuff: How Does The Affordable Care Act Work?

Want to learn how the Affordable Care Act works? Tune in to this episode of BrainStuff to learn all about the ACA.

BrainStuff: How Can There Be Seedless Grapes?

Seedless grapes are the most common kind on the market, but have you ever wondered how a grape can be seedless? How does it grow? Discover how seedless grapes accidentally came about -- and how they grow -- in this episode of BrainStuff.

BrainStuff: What Is Chewing Gum Made Of?

Up until World War II, chewing gum was made of a substance called chicle. Check out this BrainsStuff episode to learn more about the ingredients of modern chewing gum.

BrainStuff: What Are Hot Dogs Made From?

Hot dogs were first created in Frankfurt, Germany. But what exactly are they made from? Check out this episode to learn more about the mysterious ingredients of hot dogs.

BrainStuff: How Does Dynamite Work?

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

BrainStuff: Why Do Human Beings Have Eyebrows?

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.