Search Results | environment
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How Bluetooth Surveillance Works
electronics.howstuffworks.com/bluetooth-surveillance.htm
Bluetooth surveillance uses the popular wireless technology found in mobile devices to track people's movements. Learn about Bluetooth surveillance.
Inside 'Nim's Island'
entertainment.howstuffworks.com/nims-island.htm
Nim's Island is an adventure story about a girl who lives on a remote tropical island with her father and exotic pets. Learn about Nim's Island.
How Ballpoint Pens Work
home.howstuffworks.com/pen.htm
Before the handy ballpoint, getting a few sentences onto paper was a pretty involved task. Find out how the ballpoint pen stores and manages its own ink supply to make writing a snap.
How Freegans Work
money.howstuffworks.com/freegan.htm
Freegans, or Dumpster divers, are people who attempt to live an ethical lifestyle by reusing trash. Learn about freegans and the ethics of a freegan lifestyle.
Exactly what happens if we run out of water?
science.howstuffworks.com/environmental/earth/geophysics/run-out-of-water.htm
On a planet that is 70 percent water, people don't have enough clean, safe water to drink. We're in a water crisis, and water rights are becoming a big issue. What happens if we just plain run out?
What is gray water, and can it solve the global water crisis?
home.howstuffworks.com/green-living/gray-water.htm
Gray water is all of the wastewater that comes from your washer, sinks, bathtub or shower. Learn about gray water and how gray water can be recycled.
Inside 'I Am Legend'
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'I Am Legend' is a new movie in which a virus wipes out the Earth's population, except for one man. Take an in-depth look inside the movie 'I Am Legend.'
How the Freecycle Network Works
money.howstuffworks.com/freecycle-network.htm
Find out how the Freecycle Network got started, how the process works and how you can start giving your unwanted stuff away to people who'll use it.
World Health Organization Profile
health.howstuffworks.com/medicine/healthcare/who.htm
The World Health Organization combats worldwide disease. Learn about the World Health Organization's campaigns and find out how WHO is organized.
Traditional Chinese Herbal Medicine
health.howstuffworks.com/wellness/natural-medicine/chinese/traditional-chinese-herbal-medicine.htm
In China, more than a million tons of herbs are used each year as medical substances. Learn about traditional Chinese herbal medicine.