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Test Your Knowledge of U.S. Presidential Elections With This Quiz!
people.howstuffworks.com/presidential-elections-quiz.htm
Cast your ballot to these questions to find out how much you know about the history of U.S. presidential elections.
Can You Guess Which of These Two American Cities Is Furthest North?
play.howstuffworks.com/quiz/can-you-guess-which-of-these-two-american-cities-is-furthest-north
From Florida to Maine or California to Alaska, the United States is a vast country with plenty of interesting cities to explore. But do you know which cities are located north or south of others? Take a trip through this quiz to find out!
How to Start a Tree Service
money.howstuffworks.com/how-to-start-tree-service.htm
You'd like to start a tree service, but are not sure how. Once you've read this article about how to start a tree service, you'll be ready to go.
How the Physics of Baseball Works
entertainment.howstuffworks.com/physics-of-baseball.htm
What are the physics of baseball? Learn about the physics of baseball in this article from HowStuffWorks.
How Brazilian Traditions Work
people.howstuffworks.com/culture-traditions/national-traditions/brazilian-tradition.htm
Many Brazilian traditions first began hundreds of years ago. Read about Brazilian traditions at HowStuffWorks.
How to Use the Unit Circle in Trigonometry
science.howstuffworks.com/math-concepts/unit-circle.htm
A unit circle is an important part of trigonometry and can define right angle relationships known as sine, cosine and tangent.
Elephants Have a Special Alarm Sound: 'Humans! Run!'
animals.howstuffworks.com/mammals/elephants-have-special-alarm-sound-humans-run.htm
HowStuffWorks looks at out how elephants alert each other that humans are around.
10 Surprising Things Animals Do With Their Babies
animals.howstuffworks.com/animal-facts/10-surprising-things-animals-do-with-babies.htm
Animals have some fascinating ways to rear offspring, and some of those practices prove shocking. Learn more about animal parenting at HowStuffWorks.
Old Railroads
history.howstuffworks.com/american-history/old-railroads.htm
The age of old railroads saw the birth of the first railroad lines and mass transportation on rail. Read more about old railroads in America.
10 Construction Projects That Broke the Bank
science.howstuffworks.com/engineering/structural/10-construction-projects.htm
Whether we're trying to save a sinking city or dig a massive tunnel, our appetite for construction knows no bounds. But if designers had known the actual cost of these 10 projects, they might have gone back to the drawing board.