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What causes engine vibrations? Keep reading to learn more about cars and 5 Innovations That Reduce Engine Vibrations.

Are working mothers happier? Find out what research suggests about the effects a career can have on a mother's happiness.

Will the U.S. be a desert in 50 years? Learn about the chances of the U.S. becoming a desert in the next 50 years.

Virtual laser keyboards are great travel gadgets. Learn more about virtual laser keyboards at HowStuffWorks.

Think you know everything about the mafia and organized crime? Test your knowledge of the mafia with our mafia quiz.

Perfume doesn't have to be an environmental hazard. Learn more about making perfumeout of flowers from your garden.

Solar battery chargers are popular automotive gadgets. Learn more about solar battery chargers at HowStuffWorks.

Making a workbench is simple if you know the steps to follow. Learn about how to make a workbench at HowStuffWorks.

Cuticle cream is helpful in caring for cuticles and nails. Visit HowStuffWorks to learn all about cuticle cream.

What causes underarm darkening? Read about the causes of dark underarms and how to get rid of dark underarm skin.

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