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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 Crop Circles Work
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/crop-circle.htm
Are crop circles the work of alien visitors? Are they a natural phenomenon? Are they elaborate hoaxes perpetrated by some very dedicated humans? Learn how researchers try to separate the supernatural from the scientific.
How Animated Tattoos Work
people.howstuffworks.com/animated-tattoo.htm
Learn about the hardware behind animated tattoos and how they are implanted into the body.
10 Benefits of Zinc for Men
health.howstuffworks.com/wellness/men/health-tips/5-benefits-of-zinc-for-men.htm
Zinc plays several crucial roles in the male body. It helps fight off cold symptoms, fixes skin problems and even boosts sexual function.
Varicose Veins Causes and Treatments
health.howstuffworks.com/skin-care/problems/beauty/varicose-veins.htm
Varicose veins are a common beauty skin problem. Learn about how varicose veins work at HowStuffWorks.
How the Online Trading Academy Works
money.howstuffworks.com/personal-finance/online-banking/online-trading-academy.htm
Did you know there's an academy for online trading? In this article by HowStuffWorks.com, learn how the online trading academy works.
How to Find Lost Savings Bonds
money.howstuffworks.com/personal-finance/budgeting/how-to-find-lost-savings-bonds.htm
Learn how to find lost savings bonds in this article. Visit HowStuffWorks.com to read about how to find lost savings bonds.
How NASCAR Engines Work
auto.howstuffworks.com/auto-racing/nascar/nascar-basics/nascar-engines.htm
NASCAR may be the most popular stock car racing circuit around, but very few know how NASCAR engines work. Learn how NASCAR engines work here.
10 Fruits and Veggies that Aid in Dogs' Nutrition
animals.howstuffworks.com/pets/10-fruits-veggies-aid-dog-nutrition.htm
Are you looking for some fruits and veggies that aid in dog nutrition? Check out these 10 fruits and veggies that aid in dog nutrition.
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.