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How Biological and Chemical Warfare Works
science.howstuffworks.com/biochem-war.htm
Chemical warfare and biological warfare is explained in this article. Learn about biological and chemical warfare.
How Does Herd Immunity Keep a Country Safe From Diseases?
science.howstuffworks.com/life/cellular-microscopic/herd-immunity.htm
Herd immunity relies on the principle of safety in numbers as far as vaccinations go. Find out why herd immunity is an important public health issue.
How Stinger Missiles Work
science.howstuffworks.com/stinger.htm
The Stinger missile is a deadly man-portable air-defense system (MANPADS) that can be rapidly deployed by ground troops. It's lightweight, combat-proven and has a greater than 90 percent success rate. So how are Stingers used and against whom?
How Airport Security Works
science.howstuffworks.com/transport/flight/modern/airport-security.htm
According to the Department of Homeland Security 730 million people travel on passenger jets every year. Are these folks safe? Find out how high-tech solutions are being used to make flying as safe as possible.
How the Navy SEALs Work
science.howstuffworks.com/navy-seal.htm
Navy SEALs complete some of the most dangerous U.S. military missions. Learn about how the Navy SEALs work and what it takes to become a SEAL.
How North Korea Works
history.howstuffworks.com/world-history/north-korea.htm
Often described as 'The Hermit Kingdom,' North Korea is a source of mystery for those living in the West. Learn about North Korea at HowStuffWorks.
How Subways Work
science.howstuffworks.com/engineering/civil/subway.htm
London without the Tube? New York without its underground scene? Atlantans gliding straight from their MARTA stops to the airport? What would life be like without our underground transportation system?
10 Aviation Innovations We'd Be Stuck on the Ground Without
science.howstuffworks.com/transport/flight/modern/10-aviation-innovations.htm
In the world of flight, it's a fine line between flying high and falling fast. Can you name 10 of the innovations that keep planes and their passengers airborne?
How Brainwashing Works
science.howstuffworks.com/life/inside-the-mind/human-brain/brainwashing.htm
Brainwashing is the attempt to change the thoughts and beliefs of another person against their will. Learn about the science behind brainwashing.
How Plague Works
science.howstuffworks.com/life/cellular-microscopic/plague.htm
You may be familiar with the medieval "Black Plague," but did you know that bouts of plague still break out today? Find out what causes an outbreak, why plague still exists and how the plague has influenced history.