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Can my car tell me the speed limit?
electronics.howstuffworks.com/gadgets/automotive/car-speed-limit.htm
Sticking to the car speed limit is the best way to avoid flashing blue lights. Isn't there a way to learn the car speed limit from, well, your car?
How do airlines determine how expensive a pet plane ticket is?
animals.howstuffworks.com/pets/pet-travel/pet-plane-ticket-cost.htm
Pet plane ticket costs are set by each airline and usually are the same, no matter how far your pet goes. Learn about costs for a pet plane ticket.
How is concrete made?
home.howstuffworks.com/home-improvement/construction/materials/how-is-concrete-made.htm
If you've wondered how is concrete made, this is the article for you. Learn the answer to how is concrete made and what the best concrete recipe is.
Can I stop getting junk mail?
home.howstuffworks.com/green-living/stop-junk-mail.htm
To stop junk mail is a multistep process, but it can be worth the time if your mailbox is flooded with circulars and takeout menus.
How the Gyroscope Works
science.howstuffworks.com/gyroscope.htm
Did you know that airplanes and space shuttles use the utterly low-tech gyroscope for navigation? Discover the secret behind gyroscopic motion!
How Does a Silencer Work?
science.howstuffworks.com/question112.htm
How in the world can a gun silencer work? How can you possibly take an explosive noise that can damage your hearing and turn it into a little "ffft" sound?
How to Choose a Health Insurance Plan
health.howstuffworks.com/health-insurance/choose-insurance-plan.htm
A health insurance plan that fits your particular needs is not always easy to find. Find out how to choose a health insurance plan that is right for you.
Preventative Care Overview
health.howstuffworks.com/wellness/preventive-care/preventative-care.htm
Preventative care and services are performed in an effort to prevent major illness or injury. Learn more about the types of preventative care and services.
10 Famous Native Americans
history.howstuffworks.com/historical-figures/10-famous-native-americans.htm
America's history begins with the Native Americans and the English settlers they encountered. Read our list of Native American leaders and heroes.
7 Health Problems for the Modern Age
health.howstuffworks.com/medicine/modern-technology/7-health-problems-for-the-modern-age.htm
While your iPod may bring you hours of enjoyment, it could also cause health problems. Read our list of seven health problems for the modern age.