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How Diesel Engines Work
auto.howstuffworks.com/diesel.htm
Diesel engines are often more efficient and less expensive to operate than their gasoline alternatives. So why aren't there more diesels on the roads? Well, they have their own issues, too.
How the Sierra Club Works
science.howstuffworks.com/environmental/conservation/issues/sierra-club.htm
The Sierra Club protects the environment by lobbying for environmental preservation. Learn more about the Sierra Club conservation efforts.
How Mad Cow Disease Works
animals.howstuffworks.com/animal-facts/mad-cow-disease.htm
Mad cow disease is in the news again, with tests confirming the second case in the United States since December 2003. Learn how this brain disease affects livestock and people.
Top 5 Tips for Cleansing Acne-prone Skin
health.howstuffworks.com/skin-care/cleansing/tips/5-tips-for-cleansing-acne-prone-skin.htm
Cleansing acne-prone skin can be tricky. Learn about the top 10 tips for cleansing acne at HowStuffWorks.
Top 5 Tips for Softening Underarm Skin
health.howstuffworks.com/skin-care/underarm-care/tips/5-tips-for-softening-underarm-skin.htm
Softening underarm skin takes a bit of effort on your part. Visit HowStuffWorks to find the top 5 tips for softening underarm skin.
How to Prevent Sunburn
health.howstuffworks.com/skin-care/beauty/sun-care/how-to-prevent-sunburn.htm
Want to know how to prevent sunburn? Visit HowStuffWorks to learn how to prevent sunburn.
How to Test Brake Line Fittings
auto.howstuffworks.com/auto-parts/brakes/brake-tests/how-to-test-brake-line-fittings.htm
Want to know how to test brake line fittings? Visit HowStuffWorks to learn how to test brake line fittings.
Geisha Facials
health.howstuffworks.com/skin-care/beauty/skin-treatments/geisha-facial.htm
Geisha facials are a popular skin treatment that give you a faceful of nightingale poop. Read about how geisha facials work at HowStuffWorks.
Is Your Brain Sharp Enough for This Tricky Trivia Quiz?
play.howstuffworks.com/quiz/is-your-brain-sharp-enough-for-this-tricky-trivia-quiz
How much random knowledge do you think you have? Put your smarts to the test with this tricky trivia quiz that will have you trying to remember history, geography, science and more!
Is chocolate really good for me?
science.howstuffworks.com/innovation/edible-innovations/chocolate-good-for-health.htm
Does a chocolate a day keep the doctor away? Before you stock your fruit bowl with chocolate bars, you might want to read this article first.