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The in-wheel motor may make many of your car's components obsolete. Read about in-wheel motors and learn how they work in this article.

There are some home repairs that really should be left to the professionals. Learn about 5 home repairs you should never do yourself.

Do you know how to choose surround sound? Get familiar with your options and terminology with this guide on how to choose a surround sound system.

Unlocking cellphones is not the problem it used to be. Here's how it changed.

Does brownnosing really pay off? Learn about brownnosing and read how to navigate the lines of flattery with your boss.

Can pets make you happy? Find out if pets can make you happy at HowStuffWorks.

Kill A Watt is a new type of energy monitor. Learn about Kill A Watt.

Volunteering on Christmas is a wonderful and selfless act. Visit HowStuffWorks to learn all about volunteering on Christmas

Volunteer work for teens can help them get into great colleges. Learn all about volunteer work for teens at HowStuffWorks.

Volunteer armies face a number of recruitment challenges. Learn how volunteer armies operate and how they differ from conscripted armies.

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