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How Police Body Cameras Work

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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.

10 Diseases That Used to Be Death Sentences

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Some diseases used to kill millions of people, but not any longer. Learn about 10 diseases that used to be death sentences from HowStuffWorks.

How Muppets Work

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Muppets come in just about every shape, color and style imaginable.

How Junk Food Works

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Junk food is a miracle of edible engineering. Learn about the history and science behind junk food.

How Limousines Work

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Limousines have become a staple for airport transportation and formal events. Find out how limousines are manufactured and what cars are used as limousines.

How Electricity Works

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Electricity surrounds us and can be used thousands of different ways. Learn about the basics of electricity, from generators and electrical circuits to voltage and currents.

How Internet Censorship Works

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Internet censorship is a highly controversial topic, especially with people looking to protect free speech. Learn about Internet censorship.

How the DHARMA Initiative Works

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If you're a big fan of "Lost," you're probably full of theories about the DHARMA Initiative. Learn about the DHARMA Initiative history and theories.

How Roller Coasters Work

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They don't have engines, brakes or accelerators. No, these amazing machines rely on physical, centripetal and gravitational forces to urge thrills, screams and that sinking stomach feeling we all love (and hate). Read more about the science of fun.

How the U.S. Vice President Works

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The Vice President is second in command to the president. Find out everything you need to know about the vice president.

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