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How Fear Works
science.howstuffworks.com/life/inside-the-mind/emotions/fear.htm
Fear is the brain's reaction to a stimulus where chemicals are released that raise the heart rate. Learn about fear and the different fear responses.
10 Car Shopping Tips
auto.howstuffworks.com/buying-selling/cg-car-shopping-tips.htm
Knowing what you want -- or need -- before you start making the rounds of dealerships can save both time and money.
How PayPal Works
money.howstuffworks.com/paypal.htm
PayPal is the most popular online payment service in use today. Learn how PayPal works, how to use PayPal and about problems with PayPal.
How Electricity Works
science.howstuffworks.com/electricity.htm
Electricity surrounds us and can be used thousands of different ways. Learn about the basics of electricity, from generators and electrical circuits to voltage and currents.
How SpaceShipOne Works
science.howstuffworks.com/spaceshipone.htm
It's launch time for the first privately funded space flight. In the course of battle for the X Prize, a group called Scaled Composites has built and tested SpaceShipOne, a sub-orbital spacecraft intended to carry tourists on the ride of their life. Learn all about the craft.
How Blackjack Works
entertainment.howstuffworks.com/blackjack.htm
Blackjack (also known as "21") is one of the most popular casino games, at least partly because the rules are easy to grasp. There's one aim: Get as close to 21 as possible. Find out the real deal here.
How Maps Work
science.howstuffworks.com/environmental/earth/geophysics/map.htm
A map is a type of language, a graphic way of representing information, whether it's to show population density or tell you how to get from Point A to Point B. Here's how they're made.
Foods That Lower Cholesterol
Some foods are powerful tools for lowering cholesterol. Discover how small changes, such as including some foods in your diet, can have a big effect.
How Uranium Mining Works
science.howstuffworks.com/uranium-mining.htm
Thanks to our voracious appetite for energy, the element long linked with nuclear weapons is taking on a new role. Where does the hunt begin for uranium?
10 Space Landmarks We'd Like to Visit
science.howstuffworks.com/10-space-landmarks.htm
Fling away your Fodor's! Toss your TripAdvisor! We have the only guided tour of outer space you'll need -- a foray into the final frontier so ambitious it will make the Voyager probes' Grand Tours look like daytrips.