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How are viruses, viroids and prions related?
science.howstuffworks.com/life/cellular-microscopic/viruses-viroids-and-prions-related.htm
Viruses, viroids and prions are microscopic, infectious particles with a common, despicable goal - but the way each goes about achieving that goal is different.
Can You Answer These $100 "Who Wants to Be a Millionaire" Questions?
play.howstuffworks.com/quiz/can-you-answer-these-100-who-wants-to-be-a-millionaire-questions
Have you watched "Who Wants to Be a Millionaire" and thought, "Those $100 questions are easy?" Prove it! Test your general knowledge of basic facts with this quiz!
How Much Do You Know About Ancient Empires?
play.howstuffworks.com/quiz/how-much-do-you-know-ancient-empires-learn
These are the empires that changed the world, influencing generations that followed them. If you think you know everything about history's great empires, take this quiz and prove it!
7 Ingenious Reuses for Plastic Bottles and Boxes
home.howstuffworks.com/green-living/ways-reuse-plastic-containers.htm
The millions of plastic containers and bottles out there don't all have to end up in landfills. There are lots of ways to give them a second life.
5th-Grade General Knowledge Quiz
play.howstuffworks.com/quiz/5thgrade-general-knowledge-quiz
Were you a whiz kid at school? How much do you remember from your days in 5th grade? Test your knowledge of 5th grade facts with this simple math, science, English, and history quiz!
How to Play the Lottery
entertainment.howstuffworks.com/leisure/traditional-games/how-to-play-the-lottery.htm
Playing the lottery is a way to gain instant riches. Read this article to learn valuable strategies for playing the lottery.
How Nuclear Submarines Work
science.howstuffworks.com/nuclear-submarine.htm
Nuclear submarines are powered by nuclear reactors and may carry nuclear weapons. Read about nuclear submarines and how they changed the world's oceans forever.
How Ice Rinks Work
entertainment.howstuffworks.com/ice-rink.htm
The things people do on ice rinks are so spectacular, we sometimes forget how remarkable ice rinks themselves are. Maintaining a proper ice rink is a real feat of engineering. Get a behind the scenes look at this very cool technology.
How Television Works
electronics.howstuffworks.com/tv.htm
Ever wonder how television works? The technology has been around long enough to seem ordinary, but the box that brings TV shows into your home is an amazing device. How is the picture formed? Where does the color come from? Let's find out!
How Cameras Work
electronics.howstuffworks.com/camera.htm
Cameras and photography have transformed how we see the world. Learn about cameras, photography, how 35mm cameras work and about making a homemade camera.