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How Direct Injection Engines Work
auto.howstuffworks.com/direct-injection-engine.htm
Direct injection engines offer high efficiency and performance. Learn how direct injection engines work at HowStuffWorks.
10 Real Ways to Save Fuel
auto.howstuffworks.com/fuel-efficiency/fuel-economy/10-real-ways-to-save-fuel.htm
What are the best ways to save fuel? If you're tired of myths and gimmicks, check out 10 real ways to save fuel at HowStuffWorks.
Can You Identify These 40 Plants in 5 Minutes?
play.howstuffworks.com/quiz/can-you-identify-these-40-plants-in-5-minutes
Are you a whiz at guessing greenery? If so, test your knowledge by naming these 40 plants before thyme runs sprout! Discover which plants you know and new ones you might've never herbivore.
How Aquaculture Works
animals.howstuffworks.com/animal-facts/aquaculture.htm
Aquaculture provides food and replenishes other scarce resources. Learn how aquaculture works and how aquaculture industry supplies the goods we use.
How Space Farming Works
science.howstuffworks.com/space-farming.htm
Space farming is the process of cultivating plants in space. Learn why space farming is important and how space farming will affect life on Earth
Rating Alternative Diets for Seniors
health.howstuffworks.com/wellness/aging/senior-health-lifestyle/alternative-diets-seniors.htm
Alternative diets for seniors may be the answer to your weight-loss issues, though there are risks. Learn about alternative diets in this article.
Traditional Chinese Medicine Causes of Illness
Practitioners of traditional Chinese medicine consider a variety of factors in determining cause of illness. Read about their diagnostic processes.
How Numbers Stations Work
people.howstuffworks.com/numbers-stations.htm
We may be living in the age of the Internet, but simple shortwave radio transmitters still play a part in the espionage game. The huge benefit: There's no trail.
10 Innovations in Water Purification
science.howstuffworks.com/environmental/green-tech/sustainable/10-innovations-water-purification.htm
As far back as 1500 B.C.E., people were trying to purify water to make it drinkable. And we're still at it. Today inventors use tools as simple as clay and as sophisticated as carbon nanotubes to bring clean water to the world.
How Oil Drilling Works
science.howstuffworks.com/environmental/energy/oil-drilling.htm
Oil drilling a complex process that involves the drilling and pumping of oil from underground wells. Learn about oil drilling and the oil drilling process.