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Madagascar's Most Famous Species Is Near Extinction
animals.howstuffworks.com/mammals/madagascar-ring-tailed-lemur-extinction-trouble.htm
Why are lemurs on Madagascar at risk of extinction? Learn more about endangered lemurs in this HowStuffWorks Now article.
Could a car run on compressed air?
auto.howstuffworks.com/fuel-efficiency/fuel-consumption/question133.htm
A compressed air engine could be used to power a car, if you had a tank large enough to store it. Find out how a compressed air engine could power a car.
Wind Energy Quiz
play.howstuffworks.com/quiz/wind-energy-quiz
Feel that wind? Fwooooshhhh!!! Fwwwooooshhh!! Quick, somebody put up a wind turbine. Test your knowledge with this quiz.
What happens to abandoned mines?
science.howstuffworks.com/engineering/structural/abandoned-mine.htm
Abandoned mine shafts may look romantic with their clapboarded entrances and rusting pickaxes, but they can be deadly. So who ensures that these dangerous sites are properly closed up? You may find the answer a little unsettling.
How Power Grid Works
entertainment.howstuffworks.com/leisure/brain-games/power-grid-game.htm
Power Grid is a board game in which players attempt to provide power to cities. Learn how the game of Power Grid Works at HowStuffWorks.
Slavery Under Another Name: What Were the Black Codes?
history.howstuffworks.com/american-civil-war/black-codes.htm
The Emancipation Proclamation may have signified the formal end of slavery. But the newly enacted Black Codes effectively re-enslaved thousands of Black people.
How Much Do You Know About Heavy Machinery?
play.howstuffworks.com/quiz/how-much-do-you-know-heavy-machinery
Coming through! You don't want to get in the way of our quiz on the steamroller, the bulldozer and other incredibly powerful tools that humans have made. But if you think you're up to the job, test your knowledge of heavy machines now!
AC Motors: kW vs. Horsepower
auto.howstuffworks.com/ac-motors-kw-vs-horsepower.htm
For about as long as cars have been around, the thing to say when a powerful car rolls by has been: "How much horsepower are you running?" Learn more about AC Motors.
What is biorefining?
auto.howstuffworks.com/fuel-efficiency/biofuels/biorefining.htm
What is biorefining? Keep reading to learn about biofuel and biorefining.
Things Are Looking Up for the Adorable American Pika
animals.howstuffworks.com/mammals/things-looking-up-american-pika.htm
Climate change will affect the habitat of the American pika, but not only in negative ways. Learn more in this HowStuffWorks Now article.