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How Fingerprinting Works
science.howstuffworks.com/fingerprinting.htm
Fingerprinting is a popular technique for identifying criminals and authenticating access. Learn about fingerprinting and its storied history.
The Heart: Introducing One Tough Muscle
health.howstuffworks.com/human-body/systems/circulatory/the-heart-muscle.htm
Knowing about the heart is good information for your overall health. Learn more about the heart from Discovery Health.
How to Test Brake Lights
auto.howstuffworks.com/auto-parts/brakes/brake-tests/how-to-test-brake-lights.htm
Want to know how to test brake lights? Visit HowStuffWorks to learn how to test brake lights.
10 Security Devices to Help Keep Your Family Safe
electronics.howstuffworks.com/family-tech/tech-for-parents/10-security-devices-keep-family-safe.htm
In the market for family security devices like a alarm systems or hidden cameras? Check out 10 security devices to help keep your family safe.
How Business Accounting Works
money.howstuffworks.com/accounting.htm
Running your own business is not a simple task, and perhaps one of the most difficult parts is dealing with the finances -- money coming in, money going out... Find out all about small business accounting.
How long can a germ live in a room?
health.howstuffworks.com/diseases-conditions/infectious/question235.htm
How long can a germ live in a room? My son had a friend over, and the friend was coughing all over the house. How long can his germs infect people?
How Viruses Work
science.howstuffworks.com/life/cellular-microscopic/virus-human.htm
Influenza, Ebola and COVID-19 are all viruses. Find out what a virus does to your body and how to decrease your chance of exposure.
How Windshield Wipers Work
auto.howstuffworks.com/wiper.htm
What began as a hand-cranked system is now automatic, and only getting more so: Some windshield wipers can actually sense rain. Learn the mechanincs behind this essential automotive tool.
Venus: Earth's Blazing-hot and Bizarre Twin
science.howstuffworks.com/46009-venus-explained.htm
The atmosphere is crushing on Venus, and it's so hot lead would melt. But the planet still has a lot in common with Earth. We'll explain.
Why does the stock market use fractions?
money.howstuffworks.com/personal-finance/financial-planning/stock-market-use-fractions.htm
The origin of stock market fractions dates back to the establishment of the American stock market. Learn where stock fractions came from.