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Can You Answer These $100 "Who Wants to Be a Millionaire" Questions?
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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 Impossible Colors (Like Stygian Blue) Work
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What if there are colors within the visible spectrum that our brains can't perceive? In fact, there are. They're called impossible colors. But some researchers think they've discovered a way to see the impossible.
How Gas Masks Work
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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.
How Phone-line Networking Works
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Phone-line networking is one of several ways to connect the computers in your home. Learn the basics.
How 8 Queens Works
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The 8 Queens problem will test your puzzle-solving mettle. Learn about the 8 Queens puzzle in this article.
How can you recycle water for your outdoor garden?
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It'll save you money and help the environment. How can you grab water from your roof and your washing machine and use it to hydrate your plants?
Basic World Trivia Quiz
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The Earth has experienced violent destruction that left beautiful scars. Mountains, valleys, islands and rivers paint the planet we know as the Blue Marble. What do you know about the Earth and the world in which we live? Can you pass a basic world trivia quiz?
These 35 Trivia Questions Will Separate Americans From the Rest the World
How American are you? Or are you not American at all? Here are 35 of the most American questions to test your wits about this great country. If you think you know everything about the food, work, sports, entertainment and history of the U.S.A., test your skills here.
How Small Business Taxes Work
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Understanding how small business taxes work can help you save money on your tax returns. Learn how small business taxes work.
How Sabermetrics Works
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Sabermetrics uses statistical analysis to analyze baseball records and player performance. Learn more about sabermetrics at HowStuffWorks.