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Vitamin C is something you hear about all the time when it comes to your immune system. Learn about vitamin C at HowStuffWorks.

The fax machine, a cornerstone of modern business, has a long and interesting history of development. Learn more about fax machines at HowStuffWorks.

Licorice is used in several herbal remedies. Learn how anti-viral and anti-inflammatory licorice is used to treat ulcers, cold sores, flu and more.

Bluffing is one of the most exciting aspects of poker. Reading tilts and tells can give you a real advantage. Learn how to bluff in poker.

Building bar stools is simple if you know the proper steps involved. Learn how to build bar stools at HowStuffWorks.

Eco-plastics are plastics that are actually friendly to the environment. Learn about eco-plastics.

Pet-friendly hotels are hard to come by, but are usually worth the search. Learn all about pet-friendly hotels at Animal Planet.

A 1/2 ton truck is a pickup truck with a certain curb weight and payload capacity. Learn about what makes a truck a half-ton truck.

Faith-based organizations work for a variety of causes. Learn more about faith-based organizations at HowStuffWorks.

Ever wonder how zinc can benefit skin? Visit HowStuffWorks to learn about the ways zinc can benefit skin.

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