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98% of People Can't Match All of These Flags With Their Countries! Can You?
play.howstuffworks.com/quiz/98-people-cant-match-all-these-flags-their-countries-can-you-learn
Flags have been used for centuries as symbols which bind people of a particular region together. If you're a globetrotter, or just simply love leafing through the pages in your atlas, do you think you can identify each of these flags? Take our quiz and find out!
Why Did the Russians Seal Up the Deepest Hole in the World?
science.howstuffworks.com/engineering/civil/kola-superdeep-borehole.htm
The Kola Superdeep Borehole in Russia is the deepest hole in the world. It's deeper than the Mariana Trench and deeper than Mt. Everest is tall. Why did the Russians dig this deep, and why did they stop?
How Stratego Works
entertainment.howstuffworks.com/leisure/brain-games/stratego.htm
Like chess but sneakier, Stratego is a gambit of wits and strategy. So how do you play -- and what does 19th century France have to do with it?
How Does a Heat Pump Work?
home.howstuffworks.com/home-improvement/heating-and-cooling/heat-pump.htm
Heat pumps use a small amount of energy to move heat from one place to another. They serve a dual purpose; they can use that heat transfer to cool a home as well. But is one right for your home?
10 Innovations in Water Purification
science.howstuffworks.com/environmental/green-tech/sustainable/10-innovations-water-purification.htm
As far back as 1500 B.C.E., people were trying to purify water to make it drinkable. And we're still at it. Today inventors use tools as simple as clay and as sophisticated as carbon nanotubes to bring clean water to the world.
How Hurricanes Work
science.howstuffworks.com/nature/natural-disasters/hurricane.htm
How often have you watched a weather forecaster point to a spiral-shaped cloudy mass with a sense of dread and fascination? What fuels these ferocious storms?
How Brake Failure Works
auto.howstuffworks.com/auto-parts/brakes/brake-problems/brake-failure.htm
Brake failure is an extremely dangerous occurrence, though it is rare for regular cars. Learn all about brake failure at HowStuffWorks.
10 Tips for Developing Raw Land
home.howstuffworks.com/real-estate/buying-home/10-tips-for-developing-raw-land.htm
Do you know the top 10 tips for developing raw land? Find out the 10 tips for developing raw land in this article from HowStuffWorks.
Did the Mayan civilization end because of climate change?
science.howstuffworks.com/environmental/green-science/climate-change-end-mayan-civilization.htm
Over the years, many theories have been advanced about why the once-mighty Mayan civilization fell. But a newer one is getting attention: Was it because of climate change?
How Drought Works
science.howstuffworks.com/nature/natural-disasters/drought.htm
What happens when the rains cease and water levels dry up precipitously? Everything from abundant grasses to apex predators suffers the consequences.