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What Was America's First Terrorist Threat?
history.howstuffworks.com/history-vs-myth/first-terrorist-threat.htm
Terrorism on the Barbary Coast began in the 15th century and plagued the young American nation. Learn how the U.S. fought off terrorism from the Barbary States.
What Is CNC Machining?
science.howstuffworks.com/cnc-machining.htm
Nearly everything you use in your life was touched by a CNC machine tool. Don't know what a CNC machine tool is? We'll explain.
Top 30 Smartest Animals in the World
animals.howstuffworks.com/animal-facts/10-smartest-animals.htm
Humans aren't the only animals that can count, use logic, make tools or form lasting bonds with others. Meet 10 of the smartest creatures in the animal kingdom.
What Is a PC?
computer.howstuffworks.com/pc.htm
PCs are now used by almost everyone in some aspect of daily life. So what's going on inside that PC tower or laptop case? We'll explain the components.
How Gas Masks Work
science.howstuffworks.com/gas-mask.htm
Gas masks are used to filter out harmful gas and particles from the air industrial workers breathe. Learn about gas masks and how gas masks are made.
Summer-grade Versus Winter-grade Fuel
auto.howstuffworks.com/fuel-efficiency/fuel-consumption/summer-fuel1.htm
What's the difference between summer-grade fuel and winter-grade fuel? If summer-grade fuel is so great, why don't we use it year-round?
How Magnets Work
science.howstuffworks.com/magnet.htm
Magnets produce magnetic fields and attract metals like iron, nickel and cobalt. They're used in all sorts of applications but how are they made and how do they work?
How Police Body Cameras Work
people.howstuffworks.com/police-body-cameras.htm
Police body cameras can now be found in about a third of U.S. police departments. Here's what you need to know about police body cameras.
What Is MS-13 and Why Is It So Scary?
people.howstuffworks.com/what-is-ms13.htm
President Donald Trump says deporting members of MS-13 will make the U.S. safer. HowStuffWorks looks at the gang's history and whether it's that simple.
How Feng Shui Works
people.howstuffworks.com/feng-shui.htm
What is feng shui? Is it science or superstition? Where did it come from? How do you use it? Get answers and learn about the art of feng shui.