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Your search for "urban area" returned 714 results
Why is there an underground city beneath Beijing?
history.howstuffworks.com/historical-events/beijing-underground-city.htm
The Beijing underground city may sound like the stuff of legends, but it's a real place built to escape Soviets. Read about the Beijing underground city.
As Light Pollution Grows, Much of Humanity Can't See the Milky Way
science.howstuffworks.com/environmental/green-science/light-pollution-night-sky-worsening.htm
A new 'atlas' of light pollution finds that one third of people on Earth can't see the night sky's most dramatic feature.
Why Flash Floods Are So Dangerous
science.howstuffworks.com/nature/natural-disasters/why-flash-floods-are-so-dangerous.htm
Both dry and over-saturated soil can contribute to flash flooding. Can anything be done to prevent them from becoming catastrophic?
The Visually Stunning Sunbeam Snake Slithers Under the Radar
animals.howstuffworks.com/snakes/sunbeam-snake.htm
The sunbeam snake of the Xenopeltidae genus is one of the most visually stunning reptiles you'll ever encounter. These snakes, native to Southeast Asia, are known for their dark pigmentation and highly iridescent scales that shimmer with rainbow colors in sunlight.
How Maglev Trains Work
science.howstuffworks.com/transport/engines-equipment/maglev-train.htm
Magnetic levitation trains are becoming a popular transportation topic all around the globe. Learn about electromagnetic suspension, the most popular type of maglev train.
5 Methods to Keep Pests Out of Your Townhome
Discover 5 Methods to Keep Pests Out of Your Townhome. Keep reading to learn helpful methods to keep pests out of your townhome.
How Sewer and Septic Systems Work
home.howstuffworks.com/home-improvement/plumbing/sewer.htm
Each time you flush the toilet or wash something down the drain, you create sewage. Find out where it goes before it flows into a river near you!
How Satellite TV Works
electronics.howstuffworks.com/satellite-tv.htm
Satellite TV offers many solutions to broadcast and cable TV problems. Learn what makes satellite TV different and how satellite TV works.
How Cremation Works
science.howstuffworks.com/cremation.htm
First, you burn the body until only brittle, pulverized bones are left. These remains are pulverized into ashes, and then placed into urns -- or diamonds, coral reefs and even outer space.
10 States With the Highest Crime Rates
people.howstuffworks.com/states-with-highest-crime-rates.htm
When people ask about the states with the highest crime rates, they’re usually looking at two categories: violent crimes and property crimes.