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Professional fluoride treatments are quick and easy ways to protect your teeth. Learn all about professional fluoride treatments.

The Olympic opening ceremony is an emotional and inspiring parade of athletes. Learn about the Olympic opening ceremonies at HowStuffWorks.

Do you need a prescription antiperspirant? Read about prescription-strength antiperspirants and whether you should use one.

Chatango is a social networking site that has become very popular. Learn all about Chatango at HowStuffWorks.

How much does it cost to build a concept car? Read about all the expenses involved in building concept cars.

Craftsters create themed crafts to celebrate our Earth. Learn more about the 5 top earth-themed crafts.

An Aries born March 30 is symbolized by the Ram and is bold and generous by nature. Learn about March 30 birthday astrology.

Some sulfur allergy symptoms are skin reactions, respiratory problems and anaphylaxis. Learn about sulfur allergy symptoms in this article.

A Libra born October 10 is symbolized by the Scales and plays by the rules. Learn more about October 10 birthday astrology.

A Cancer born July 7 is symbolized by the Crab and embraces self-improvement. Learn about July 7 birthday astrology.

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