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RFID is a tracking system that uses intelligent bar codes to track items in a store. Learn more about RFID and find out how smart labels work.

Ebola has killed thousands in Africa since it first broke in 1975. And it's back again. HowStuffWorks looks at the virus and the science to stop it.

Printer ink is a common part of your everyday life that you might not know much about. Explore the history and future of printer ink.

Why do feet stink? Why do some people's feet smell worse than other people's? How can I get my feet to smell better?

Odor-producing peripherals will bring smell to the Internet, and are just around the corner. Find out how they will work!

People wonder if paper or plastic bags are more environmentally friendly. Get the skinny on whether paper or plastic bags are greener.

Some people wonder if radiant floor heating systems could be related to some cancers. Find out if radiant floor heating is related to some cancers.

Do koalas smell like cough drops? Learn how koalas break down eucalyptus leaves, digest them and render calories from their very fibrous food source.

Proton therapy for cancer can be more focused and provide less radiation exposure. Learn about the benefits to proton therapy and treatment centers.

Agroforestry promotes the integration of landscape with livestock. Learn more about agroforestry at HowStuffWorks.

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