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Freckles are a common beauty skin problem. Learn more about how freckles work at HowStuffWorks.

Lip plumpers can give you soft, kissable lips. Visit HowStuffWorks to learn all about lip plumpers.

Google Groups is a social networking site that has become very popular. Learn all about Google Groups at HowStuffWorks.

Lab-grown skin can improve the survival odds of someone with a serious third-degree burn. See how lab-grown skin is made and how it works.

Collagen injections are an extremely popular skin treatment. Visit HowStuffWorks to learn all about collagen injections.

Coffee printers use old coffee grounds in place of ink. Visit HowStuffWorks to learn all about coffee printers.

Tretinoin is a drug derived from vitamin A that has beneficial effects and some serious side effects, too. Learn about tretinoin at HowStuffWorks.

Web seminars take the time and money out of sales pitches, employee training and town hall meetings. Learn how this important technology works.

Traveling with your pet can be stressful, but these tips for flying with your pet can make the process easier. See 5 tips for flying with your pet.

A Bluetooth car stereo can enhance your driving experience. Find out what a bluetooth car stereo can do for you and your car.

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