BrainStuff

By cooling smoke, the hydrocarbons forming smoke can be condensed, thinned, and bottled in a liquid form. Learn about the process of bottling liquid smoke in this HowStuffWorks podcast.

It only takes two wires to connect a phone, but most house wiring contains four wires. Check out this HowStuffWorks podcast to learn why. Learn more about your ad-choices at...

It only takes two wires to connect a phone, but most house wiring contains four wires. Check out this HowStuffWorks podcast to learn why.

The embalming process is designed to keep the body preserved until the funeral, but how exactly does it work and what happens to bodily fluids like blood? Get the gory details in this HowStuffWorks...

The embalming process is designed to keep the body preserved until the funeral, but how exactly does it work and what happens to bodily fluids like blood? Get the gory details in this HowStuffWorks...

Yawning is a universal human behavior, yet scientists still don't know exactly why we do it or what purpose it serves. Marshall Brain explores some of the theories behind yawning in this episode....

Yawning is a universal human behavior, yet scientists still don't know exactly why we do it or what purpose it serves. Marshall Brain explores some of the theories behind yawning in this episode.

Safe Mode is a feature of the Windows operating system that allows users to load a limited version of the system in order to troubleshoot problems. Learn more about using Safe Mode in this episode....

Safe Mode is a feature of the Windows operating system that allows users to load a limited version of the system in order to troubleshoot problems. Learn more about using Safe Mode in this episode.

The transparency of materials has to do with their molecular state. Discover how silica and heat produce the transparent material we call glass in this episode of BrainStuff. Learn more about your...

The transparency of materials has to do with their molecular state. Discover how silica and heat produce the transparent material we call glass in this episode of BrainStuff.

The massive oil spill that flooded the Gulf of Mexico should have been prevented by a fail-safe device called a Blowout Preventer, or BOP. Find out how this safety mechanism is supposed to work --...

The massive oil spill that flooded the Gulf of Mexico should have been prevented by a fail-safe device called a Blowout Preventer, or BOP. Find out how this safety mechanism is supposed to work --...

Like many cereals, rice krispies are made by puffing grains -- in this case, rice. Find out how rice krispies and other puffed cereals are manufactured in this episode of BrainStuff. Learn more...

Like many cereals, rice krispies are made by puffing grains -- in this case, rice. Find out how rice krispies and other puffed cereals are manufactured in this episode of BrainStuff.

Lowriders are vehicles that ride very low to the ground and are often equipped with hydraulics systems that allow the cars to "hop." Learn more in this podcast from HowStuffWorks.com. Learn more...

Lowriders are vehicles that ride very low to the ground and are often equipped with hydraulics systems that allow the cars to "hop." Learn more in this podcast from HowStuffWorks.com.

Hemp fibers are coarse and strong, perfect for things like rope -- hemp is also more environmentally friendly than many other crops. Listen in as Marshall Brain takes a look at the controversy...

Hemp fibers are coarse and strong, perfect for things like rope -- hemp is also more environmentally friendly than many other crops. Listen in as Marshall Brain takes a look at the controversy...

What does it take for an oven to clean itself? A whole lot of heat! Marshall Brain explains how these special ovens use intense temperatures to burn off baking spills and debris in this episode....