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10 Largest Companies in the World, Ranked by Market Value
money.howstuffworks.com/largest-companies-in-the-world.htm
The world's biggest companies don't just shape the global economy in an abstract sense; they provide the products and services that make modern life more convenient and connected than ever before. They set trends, drive innovation and set the course for smaller companies in every sector from technology to healthcare to finance.
How Do Tire Pressure Sensors Work
You may have noticed that one of the lights on your console is shaped like a tire with an exclamation point in the middle. This is a tire pressure monitoring system, which lets you know if your tires are underinflated.
Deadly 1948 Donora Smog Launched the U.S. Clean Air Movement
A killer smog 70 years ago helped lead to the first federal air pollution laws.
Asian History Quiz
play.howstuffworks.com/quiz/asian-history-quiz
Asia is a massive continent with countless cultures and histories going back thousands of years. Put your Asian history knowledge to the test with this quiz!
Meet Florence Kelley: Labor Reformer, Abolitionist and Co-founder of the NAACP
history.howstuffworks.com/historical-figures/florence-kelley.htm
Grateful that U.S. law ensures decent working conditions and children go to school instead of working in mines? Thank Florence Kelley and her father.
Sober Curious? How Frances Willard's Temperance Movement Shaped Feminism
history.howstuffworks.com/historical-figures/frances-willard.htm
Frances Willard and her followers believed that alcohol abstinence would lead to good health, but they also saw it as a way to create a just society.
The Mighty Banyan Tree Can 'Walk' and Live for Centuries
science.howstuffworks.com/life/botany/understanding-roots-banyan-tree.htm
These majestic trees send their roots down in pillars from branch to ground, can form a canopy over 80 feet high and can live to be 250 years old.
How the Civil Rights Movement Worked
history.howstuffworks.com/historical-events/civil-rights-movement.htm
The civil rights movement fought racism against blacks that persisted in American society. Explore the civil rights movement and its leaders and legislation.
How does a movie clapperboard work?
entertainment.howstuffworks.com/question414.htm
What is the black and white board with a strip on top that movie directors use?
Should you buy a reel mower?
home.howstuffworks.com/buy-reel-mower.htm
As people have become increasingly environmentally conscious, the eco-friendly reel mower has once again become popular. You can learn more about the reel mower from this article.