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Dental partials -- denture replacements for single or multiple missing teeth -- are commonly used. Find out how dental partials work.

U.S. Coast Guard rescue swimmers routinely jump out of helicopters into dangerous waters, risking their lives to save others.

Marine biology breakthroughs have helped us learn about the ocean's residents. Explore 10 of the coolest marine biology discoveries.

You might be surprised at what some of today's biggest companies used to do. Here are 12 companies that completely reinvented themselves.

Prenatal vitamins (brand names Prenatal-1 + Iron and Stuartnatal Plus) are multivitamins for use during pregnancy. Learn about this supplement.

Vote tampering is kept to a minimum thanks to the new electronic voting machines that are used around the country. Learn about vote tampering.

Fluoride-free toothpaste is an option, but why would you want to use it? Find out why there is fluoride-free toothpaste.

It's not just your imagination - people feel freer to bail out on others at the last minute than they used to. But why?

Art cars use vehicles as blank canvases for artistic expression. Read about art car artists and their works of automobile art.

What is the Cabinet, and how do its members assist the president? Learn about the people involved in the U.S. government's Cabinet.

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