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How Hydropower Plants Work
science.howstuffworks.com/environmental/energy/hydropower-plant.htm
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.
Can You Match the Famous Lake to Its State?
play.howstuffworks.com/quiz/can-you-match-the-famous-lake-to-its-state
If you're most drawn to the aquatic offerings of a location, then this quiz is for you! Whether they offer great fishing, nice views or awesome activities, let's see how many famous lakes you know!
What if I wanted to build a Great Pyramid today?
science.howstuffworks.com/engineering/structural/build-pyramid-today.htm
To build a Great Pyramid today you would run into cost and labor issues that didn't exist in ancient Egypt. Learn about building a pyramid today.
How Dangerous Is the Beaver?
animals.howstuffworks.com/mammals/beaver.htm
Beaver attacks get a lot of media attention but should we really be afraid of beavers? HowStuffWorks learns all about these rodents.
10 Worst Ways History Has Repeated Itself
history.howstuffworks.com/historical-events/10-worst-ways-history-has-repeated-itself.htm
As they say, if we don't learn from history, we're doomed to repeat it. And as these 10 historical events prove, humans seem to be more prone to repeating than learning.
How Much Do You Know About the Seven Wonders of the World?
play.howstuffworks.com/quiz/how-much-do-you-know-the-seven-wonders-the-world
The Seven Wonders of the World are legendary for capturing our hearts and imaginations. People travel all the way across the world to see one of the wonders, as though it were a pilgrimage. This quiz will take you there, without the expensive airfare.
A Border Runs Through It: Name These Spots That Straddle Two Places
history.howstuffworks.com/world-history/two-places-same-time.htm
How many of these boundary-pushing (literally!) borders can you name?
Eco Engineers: 5 Animals That Can Reshape Earth's Waterways
animals.howstuffworks.com/animal-facts/5-animals-that-can-reshape-waterways.htm
Animals leave their marks on the ecosystem in ways you probably never imagined. Learn about five that can affect the waterways at HowStuffWorks.
How to Clean Up Home Energy Consumption
home.howstuffworks.com/green-living/how-to-clean-up-home-energy-consumption.htm
Periodic cleaning and regular maintenance is the best way to improve efficiency in your home energy consumption. Learn about home energy efficiency.
The Now-extinct Castoroides Was a Bear-sized Beaver
animals.howstuffworks.com/extinct-animals/extinct-castoroides.htm
The giant castoroides thrived in the Great Plains, the Great Lakes region, the American South and Alaska. So why did this massive beaver die out?