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Grassoline: Can we fuel cars with grass?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/grassoline.htm
Grassoline for fuel is a concept that is under development in the ongoing search for an alternative to oil. Learn about the concept of grassoline.
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.
Screws
home.howstuffworks.com/screws.htm
Screws have a few benefits over other fasteners -- they provide lots of strength and can be easily removed. Find out about different types of screws.
Can I use hemp as a building material and to insulate my house?
home.howstuffworks.com/home-improvement/construction/green/hemp-building-material.htm
Hemp as a building material might seem like a fairy tale, but it's not. Check out this article and learn all about using hemp as a building material.
10 Edible Biofuels
auto.howstuffworks.com/fuel-efficiency/biofuels/10-edible-biofuels.htm
What are some of the most common edible biofuels? Check out 10 edible biofuels at HowStuffWorks.
Healthiest Bottled Water: 12 Options Available in Stores
health.howstuffworks.com/food-nutrition/healthiest-bottled-water.htm
With many options available, choosing the healthiest bottled water depends on factors like source, minerals, pH level, and purity.
How Do Tardigrades Reproduce? Several Ways, It Turns Out
animals.howstuffworks.com/animal-facts/tardigrade-mating-footage.htm
The toughest animal in the world has just released its first sex tape, and as with all things water bear, things get pretty freaky.
The Fascinating World of Itchy Noses: Superstitions and Meanings Explained
people.howstuffworks.com/nose-itching-superstition.htm
Explore the intriguing nose itching superstition. Uncover cultural beliefs and meanings. Delve into the world of superstitious nose itching.
Beaver vs. Groundhog: Brown Rodents With Very Different Homes
animals.howstuffworks.com/mammals/beaver-vs-groundhog.htm
Beavers and groundhogs might look similar to the untrained eye, but a close beaver vs. groundhog comparison reveals a tale of two very different creatures.
5 Quick Office Exercises
health.howstuffworks.com/wellness/diet-fitness/exercise-at-work/5-quick-office-exercises.htm
Are you looking for quick office exercises? Visit HowStuffWorks to find 5 quick office exercises.