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Wormwood is used in herbal remedies to kill parasites and stimulate digestion. Learn more about wormwood and making wormwood herbal tea.

For natural chest congestion relief, avoid the pharmacy and try aromatherapy. Learn how to use essential oils to relieve chest congestion.

Dandelion can be used in herbal remedies to stimulate digestion. Learn more about how dandelion can help your body.

With video conferencing technology, soldiers can maintain contact with their families back home. Learn how the military uses video conferencing.

Goldenseal is popular in herbal remedies because it's antimicrobial and anti-inflammatory properties. Learn about herbal remedies using ginseng.

The world of heating, ventilation and air conditioning is very specialized and includes a range of tools not used by others. Can you identify them?

HowStuffWorks looks at the extent to which the U.S. government conducts surveillance on its citizens and the role of Edward Snowden.

Relief wells are used to prevent and stop dangerous oil flows. Learn about relief wells and how relief wells are drilled.

What's the deal with so-called narco tanks? Read about the Mad Max-style armored vehicles used for drug trafficking.

Which words should you keep in your Scrabble arsenal? Learn 20 of the best words to use to rack up the points.

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