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Ocean currents may be driven by tides, winds or differences in density. Learn how ocean currents affect marine transportation and nutrient cycling.

The IRS or Internal Revenue Service handles taxes. Learn about the history of the IRS and how it enforces taxes.

Geysers are explained in this article. Learn about geysers.

Do you know the myths about Google and what is true or false about this giant company? Take a look at our list of top five myths about Google.

Get ideas for decorating auxiliary home spaces like the entranceway, hallway, mudroom, attic, and more. This article has decorating tips and photos.

Glassblowing may seem like a fairly recent art form, but it's really been around since the Roman Empire. Read more about glassblowing.

Aeroponics is a growing method that uses few natural resources, but few people know how aeroponics works. Learn how aeroponics works here.

Zinc plays several crucial roles in the male body. It helps fight off cold symptoms, fixes skin problems and even boosts sexual function.

There are many important vitamins for men's health. Visit HowStuffWorks to learn about 10 important vitamins for men's health.

Varicose veins are a common beauty skin problem. Learn about how varicose veins work at HowStuffWorks.

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