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What is engine knock? Read about engine knock and other worrisome sounds from your car.

Is the U.S. a democracy or a republic? Or both? And what's the difference, anyway?

How much do you know about Lemon Laws? Nobody wants to be stuck with an automotive lemon. Keep reading to learn about lemon laws.

Flood insurance is different from regular homeowners insurance. How can you be sure you're covered by flood insurance, just in case?

Do you lose the right to privacy when you die? Read the arguments for and against the right to privacy after death.

Learn where to find your car's VIN, what the numbers mean, and how you can use VINs to help prevent theft, or learn about the history of a used car.

What are some ways to save money on taxes? Learn about some ways to save money on taxes by HowStuffWorks.com.

What does an auditor general do? Visit HowStuffWorks to learn what an auditor general does.

Do government IDs really need to have your gender on them? HowStuffWorks looks at whether gender belongs on government IDs.

Studies indicate cannabis can help victims of chronic pain without the risk of overdose. Find out how medical marijuana might help at HowStuffWorks.

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