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How Lethal Injection Works
people.howstuffworks.com/lethal-injection.htm
Lethal injection is not a light topic, but it's the subject of much debate. Find out about the various procedures.
How do we measure pain?
science.howstuffworks.com/life/inside-the-mind/human-brain/measure-pain.htm
Pain is subjective - what is excruciating to you might be tolerable to me. Which is why it's so difficult to measure and control.
How Performance-enhancing Drugs Work
entertainment.howstuffworks.com/athletic-drug-test.htm
Performance-enhancing drugs are the frequent subject of controversy in the sporting world. Learn about performance-enhancing drugs and doping practices.
What Is Saliva and How Does It Change the Taste of Food?
health.howstuffworks.com/human-body/systems/digestive/saliva-change-food.htm
Saliva is not exactly the most appetizing of subjects, but it plays an important role in everything from how food tastes to how it is digested.
How Immigration Works
people.howstuffworks.com/immigration.htm
Immigration is one of the most controversial subjects in America today. Learn how immigration works and about visas, green cards and amnesty.
How Graphic Novels Work
entertainment.howstuffworks.com/arts/comic-books/graphic-novel.htm
Graphic novels tackle tough subjects too complicated for traditional media. Learn more about how graphic novels work.
What Countries Are Communist Today? Which Ones Used to Be?
history.howstuffworks.com/world-history/what-countries-are-communist.htm
Communism is a complicated, loaded word. While the strict definition is subject to lots of debate, there is broad agreement on the states call themselves communist today.
What Is a Linear Pair of Angles in Geometry?
science.howstuffworks.com/math-concepts/linear-pair.htm
In the subjects of geometry and trigonometry, a linear pair of angles is any two adjacent angles formed together to add up to 180°, or Pi radians.
How to Politely Request an Item as an Heirloom
lifestyle.howstuffworks.com/family/heirlooms/request-item-as-heirloom.htm
Do you know how to politely request an item as an heirloom? It's a delicate subject. Learn how to politely request an item as an heirloom.
Is it easy to cheat in NASCAR?
auto.howstuffworks.com/auto-racing/nascar/nascar-basics/easy-to-cheat-nascar.htm
NASCAR cheating is a tricky subject. Some cases mean blatant cheating, and some the lines are blurred. Learn more about NASCAR cheating.