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Plastic Numbers: Breaking Down Recycling Codes
science.howstuffworks.com/environmental/green-tech/sustainable/question217.htm
There are seven different numbers you might see on a plastic container. And each number has its own meaning.
How Forensic Dentistry Works
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Forensic dentistry, also known as forensic odontology, is a way of identifying people by their teeth. Forensic dentistry encompasses bite-mark analysis.
How Social Security Works
money.howstuffworks.com/personal-finance/financial-planning/social-security.htm
Social Security pays benefits to retired and disabled Americans. Learn how the Social Security system works and why some say Social Security is bankrupt.
How the Sony PS Vita Will Work
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The Sony PS Vita might revolutionize handheld gaming. Learn about the features of the Sony PS Vita and how it will work.
How does Caller ID work?
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How does caller ID work on a telephone? Learn how caller ID systems work.
Understanding Thyroid Metabolism
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Understanding thyroid metabolism will help you maintain optimal health. Learn about understanding thyroid metabolism.
Why Does the Fibonacci Sequence Appear So Often in Nature?
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Fibonacci numbers create a mathematical pattern found throughout nature. Learn where to find Fibonacci numbers, including your own mirror.
How Fingerprint Scanners Work
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Your fingerprints are not only unique; they're also very hard to fake and even harder to misplace. What better ID to use in a security system? Learn how fingerprint scanners know it's you.
How does a long-distance call work?
electronics.howstuffworks.com/question354.htm
Today's computerized long-distance call systems are based on previous technologies. Learn the history of long-distance calling.
How Estate Sales Work
money.howstuffworks.com/personal-finance/financial-planning/estate-sales.htm
Estate sales are types of auctions that dispose of the majority of a person's belongings who are moving or deceased. Learn more about estate sales.