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How China's Pollution Sniffers Work
science.howstuffworks.com/environmental/green-science/pollution-sniffer.htm
Air pollution in China has spurred the training of air pollution sniffers to detect toxic gas. Read more about air pollution detection through smell.
How Walmart Works
money.howstuffworks.com/wal-mart.htm
Learn the key reasons that Walmart has been able to keep its prices low -- cutting-edge technology, a frugal corporate culture and a push to make suppliers sell merchandise at cheaper and cheaper prices.
1940-1949 Cadillac
auto.howstuffworks.com/1940-1949-cadillac.htm
The 1940-1949 Cadillac lineup showcased important engineering and style developments. Learn about the Cadillac's evolution during this era.
How Light Pollution Works
science.howstuffworks.com/environmental/green-science/light-pollution.htm
Light pollution is explained in this article. Learn about light pollution.
5 Tips for Living Comfortably on a Budget
money.howstuffworks.com/personal-finance/budgeting/5-tips-living-comfortably-on-tight-budget.htm
Living comfortably on a tight budget can be easy with these tips. Learn about 5 tips for living comfortably on a tight budget at HowStuffWorks.
How to Buy Treasury Bonds
money.howstuffworks.com/personal-finance/budgeting/how-to-buy-treasury-bonds.htm
Learn how to buy treasury bonds in this article. Visit HowStuffWorks.com to read about how to buy treasury bonds.
How Tear Gas Works
science.howstuffworks.com/tear-gas.htm
It may make you run. It may make you throw up. It will definitely make you cry. It's tear gas, and it's no fun to be hit with.
Home Remedies for Dogs With Worms
animals.howstuffworks.com/pets/home-remedies-for-dogs-with-worms.htm
Dogs are vulnerable to many different types of worms. Learn how to treat dogs with worms.
5 Things You Should Do Before Opening a 401(k)
money.howstuffworks.com/business/starting-a-job/5-things-to-do-before-opening-401k.htm
If you've never opened a 401(k) account before, the wide range of options might be intimidating. Read about 5 things you should do before opening a 401(k).
How Marmoleum Works
home.howstuffworks.com/home-improvement/construction/materials/marmoleum.htm
Linoleum has something of a reputation for being old-fashioned and drab. But brands such as Marmoleum are proving that the material can be eco-friendly and fun, too.