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How Do Oysters Make Pearls?
animals.howstuffworks.com/marine-life/question630.htm
How do oysters make pearls, and what is the difference between natural and cultured pearls?
How RACEf/x Works
auto.howstuffworks.com/auto-racing/nascar/nascar-basics/racefx.htm
RaceFX gives you the edge when you're watching a NASCAR race on TV -- it highlights a car and follows it around the track at 200 mph! Find out how this high-tech tracking system operates!
How the UPC Code Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/upc.htm
Nearly every item that you purchase from a grocery store, department store, or mass merchandiser has a UPC code on it somewhere. Ever wondered why? Let's find out how the average UPC code works!
How Movie Screens Work
entertainment.howstuffworks.com/movie-screen.htm
When you sit down in a movie theater, the screen is the center of attention. But have you ever walked up close and looked at it? Discover the intricacies of a movie screen and learn how to find the best seat in the house.
How Self-healing Spacecraft Will Work
science.howstuffworks.com/self-healing-spacecraft.htm
Scientists are now developing a new type of composite material that will allow spacecraft to repair themselves. Learn more about this amazing future technology.
Vasodilator Drugs
health.howstuffworks.com/medicine/medication/vasodilator-drug.htm
Vasodilator drugs lower blood pressure by widening blood vessels. Learn more about visodilator drugs and how they work.
How Does Noise Cancelling Work
electronics.howstuffworks.com/gadgets/audio-music/noise-canceling-headset.htm
Noise-canceling headsets help drown out external noise so you can hear your calls clearly. Learn about the technology behind noise-canceling headsets.
Uses for Vinegar: Cooking Tips
recipes.howstuffworks.com/tools-and-techniques/uses-for-vinegar-cooking-tips-ga.htm
Vinegar can do more in the kitchen than act as an ingredient in recipes. Find out about vinegar's many uses in the kitchen.
Herbal Remedies for Earaches
health.howstuffworks.com/wellness/natural-medicine/herbal-remedies/herbal-remedies-for-earaches.htm
Read about herbal remedies for earaches that are safe and effective, and find out about nutrients essential to ear health.
How to Grow and Propagate Dracaena, aka Spike Plant
home.howstuffworks.com/dracaena-spike-plant.htm
Dracaena, or spike plant, was traditionally considered a houseplant, but has now moved outside as an annual. The leaves add great height and texture to any garden scenery.