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The internet has made it possible to have a side job - or a full-time one - within your four walls, or just beyond them. We look at 10 great gigs.

To tint home windows leads to many benefits, including saving on heat bills and protecting furniture. Learn why you should tint home windows.

When sound waves strike the ear, these waves produce the sensation of sound. Let's take a look at how sound waves work.

Do you know what saunas do for your body? Learn about the history, function and health/skin benefits of saunas at HowStuffWorks.

Waterless toilets are a great way to save water. Visit HowStuffWorks to learn all about waterless toilets.

Nehalem microprocessor microarchitecture is the basis upon which Intel's Core i7 chip is built. Learn about Nehalem microprocessor microarchitecture.

Anesthesia is used in surgeries as a method of minimizing pain during the procedure. Learn about anesthesia and the different types of anesthesia.

In traditional Chinese medicine, the yin organs produce, transform, and store qi, blood, body fluids, and essence. Learn about how yin organs work.

Many Colombian traditions go back for hundreds of years. Find out about Colombian traditions at HowStuffWorks.

Understanding carpet labels can be tricky. Visit HowStuffWorks to learn about 10 tips for understanding carpet labels.

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