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How secure is the Internet for sending sensitive information? Learn all about encryption, authentication, hash algorithms and more.

Can swishing oil around in your mouth for 20 minutes net health benefits? Find out why some people swear by oil pulling.

Backing up a trailer is difficult because everything happens in reverse. Find out exactly how you should be backing up a trailer.

What are some business ideas for retired couples? Learn about 10 Business Ideas for Retired Couples at HowStuffWorks.

BlackBerry Messenger is both entertaining and functional for BlackBerry users. Learn more about BlackBerry Messenger at HowStuffWorks.

Self discovery through journaling could help you learn about yourself. Read about self discovery through journaling at Discovery Health.

Folliculitis is a type of scalp problem. Visit HowStuffWorks to learn all about folliculitis.

Are laser-powerered headlights too intense for other motorists? Read about laser-powered headlight technology at HowStuffWorks.

Comic books represent a game-changing, generation-spanning art form that is more than just superheroes in tights. Learn about how comic books work.

These 5 famous lips are among the most recognizable celebrity lips you're sure to know. See five famous pairs of lips at HowStuffWorks.

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