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How can the same device keep hot things hot and cold things cold? Find out what goes on inside a Thermos!

Changing auto spark plugs can be tricky without instruction. Learn about changing auto spark plugs at HowStuffWorks.

Simple home remedies can treat muscle pain, and prevent it from occurring. Read this article for practical tips for sore, stiff muscles.

Eliminating dust mites gets rid of the allergens they produce in their feces. Learn how eliminating dust mites can lead to a healthier household.

Dry, itchy skin is a common winter problem. Find out what causes it and how home remedies can treat this itchy annoyance.

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

There are some anti-aging vitamins that can help you fight aging. See our list of the top five anti-aging vitamins.

For colorful flowers that come back year after year, bulbs can't be beat. Learn more about these unique, beautiful plants.

Will stepping on a rusty nail really give you tetanus? Learn why nails and puncture wounds can be breeding grounds for tetanus bacteria.

Food and drink pairings can sometimes mean the difference between a memorable meal and a dinnertime disaster. Learn 5 food and drink pairings.

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