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4 Facts About Phosphate, the Chemical Compound That's Everywhere
science.howstuffworks.com/phosphate.htm
You might wonder what phosphates do, but they are so intrinsic to our daily lives that the question really is: What don't phosphates do?
Why could China's Three Gorges Dam cause an environmental disaster?
science.howstuffworks.com/environmental/green-science/three-gorges-dam-disaster.htm
The Three Gorges Dam could very well lead to an environmental disaster for China. Learn about the Three Gorges Dam.
How Deep Is the Deepest Lake in the World?
science.howstuffworks.com/environmental/earth/geophysics/deepest-lake-in-world.htm
You could stack the Eiffel Tower, the Washington Monument and the Statue of Liberty in Crater Lake, the deepest lake in the U.S. But, do you know what the deepest lake in the world is?
10 U.S. States With the Lowest Cost of Living
money.howstuffworks.com/personal-finance/for-new-adults/5-us-states-with-lowest-cost-of-living.htm
U.S. states with the lowest cost of living are attractive to many people. Visit HowStuffWorks to find the 10 U.S. states with the lowest cost of living.
How Hydropower Plants Work
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Hydropower plants produce about 24 percent of the world's electricity and supply more than 1 billion people with power. Find out how hydropower plants work.
How is L.A. like ancient Rome?
science.howstuffworks.com/environmental/green-science/la-ancient-rome.htm
Aqueducts are one thing held in common by both L.A. and Ancient Rome. Learn about the L.A. aqueducts and how they harmed the Owens Valley.
How can the moon give us clean energy?
science.howstuffworks.com/environmental/energy/moon-clean-energy.htm
A few decades ago, the pursuit of clean energy was "green." Now, it's a necessity. Not only is our power consumption propelling the human race toward a hot, watery, lonely end, but clean energy tends also to be renewable.
Anyone With the Most Basic Geographic Knowledge Should Get 19/26 on This Quiz
Mountains, rivers, country borders ... How well do you know the globe? This quiz will test your knowledge of basic world geography — start scrolling and see if you can get your bearings!
The Origins of the Steamship
science.howstuffworks.com/innovation/inventions/steamship.htm
Steamships quickly replaced sails in the early 1800s. Learn more about the origins of steamships and the innovations that led to their creation.
Eco Engineers: 5 Animals That Can Reshape Earth's Waterways
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Animals leave their marks on the ecosystem in ways you probably never imagined. Learn about five that can affect the waterways at HowStuffWorks.