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How Rubber Works
science.howstuffworks.com/rubber.htm
Rubber is an elastomer, a large molecule that can be stretched and returned to its original shape. Learn why rubber is so stretchy and how we make it.
How Carbon Tax Works
science.howstuffworks.com/environmental/green-science/carbon-tax.htm
A carbon tax is one of two market-based options that focus on lowering harmful emissions. Learn about the carbon tax and how a carbon tax can lower emissions.
Why did cars become the dominant form of transportation in the United States?
auto.howstuffworks.com/cars-dominant-form-transportation.htm
Why did cars become the dominant form of transportation in the U.S.? In this article, find out why cars became the main form of transportation in the U.S.
8 Automotive Lemons
auto.howstuffworks.com/8-automotive-lemons.htm
Sometimes a great idea just doesn't pan out when the rubber hits the road. See our list of 8 automotive lemons and learn why they flopped.
Black Hair Care Made Madam C.J. Walker America's First Self-made Female Millionaire
history.howstuffworks.com/historical-figures/madam-cj-walker.htm
Madam C.J. Walker made her mark helping Black women feel pretty. And beauty products made her the first self-made female millionaire in the U.S.
What's new in synthetic oil technology?
auto.howstuffworks.com/under-the-hood/trends-innovations/synthetic-oil-technology.htm
Synthetic oil technology has evolved rapidly in recent years, so what's around the corner? Learn the future of synthetic oil technology in this article.
11 Highlights of 1907
history.howstuffworks.com/american-history/11-highlights-of-1907.htm
The Chicago Cubs won the World Series, and the first electric washing machine went on sale. Read about these and the other 11 highlights of 1907.
5 Ingredients to Avoid in Your Face Wash
health.howstuffworks.com/skin-care/cleansing/products/5-ingredients-to-avoid-in-your-face-wash.htm
With hundreds of face wash options, how do you choose the right one? Skip these face wash ingredients to keep a clear complexion.
5 Green Methods of Transporting Goods
science.howstuffworks.com/environmental/green-science/5-green-methods-transporting-goods.htm
The transportation sector is the second largest producer of carbon dioxide emissions is the U.S. Is it possible to reduce emissions without stiffing the importing and exporting of goods? You'll discover the answer in this article.
How Plant-microbial Fuel Cells Work
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/plant-microbial-fuel-cell.htm
Do you know How Plant-microbial Fuel Cells Work? Keep reading to learn how to generate power using plants and How Plant-microbial Fuel Cells Work.