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What Is Octane and How Does It Work?
auto.howstuffworks.com/fuel-efficiency/fuel-consumption/question90.htm
Adding a chemical called tetraethyl to fuel can significantly improve the gasoline's octane rating. But what is octane? And how does it improve the gasoline we buy? Read on to explore this fascinating molecule.
12 WPA Projects that Still Exist
money.howstuffworks.com/12-wpa-projects-that-still-exist.htm
WPA projects spanned from New York to California, and many still exist today. Find out about 12 WPA projects that can still be found.
Triceps Exercises
health.howstuffworks.com/wellness/diet-fitness/exercise/triceps-exercises.htm
Learn how to do a triceps extension with resistance tube to tone your arm muscles. Get step-by-step directions and photos for this triceps exercise.
5 Effects of Sleep Deprivation
health.howstuffworks.com/mental-health/sleep/basics/5-effects-of-sleep-deprivation.htm
Sleep deprivation can affect you in surprising ways. Learn about 5 effects of sleep deprivation.
How can you tell if your child is a prodigy?
health.howstuffworks.com/pregnancy-and-parenting/child-prodigy.htm
How can you tell if your child is a prodigy? Find out how to foster a child's talents and how to tell if your child is a prodigy.
E = mc2: What Does Einstein's Famous Equation Really Mean?
science.howstuffworks.com/science-vs-myth/everyday-myths/einstein-formula.htm
Einstein's formula for relativity is one of the most famous formulas in the world. Learn about Einstein's formula in this article.
Raising a Child Prodigy
health.howstuffworks.com/pregnancy-and-parenting/raising-a-child-prodigy.htm
Raising a child prodigy has special considerations and challenges. Learn about raising a child prodigy at HowStuffWorks.
The Ultimate CO2-powered Dragster Quiz
play.howstuffworks.com/quiz/co2-powered-dragster-quiz
Auto racing is an expensive and technically complex hobby, but it can be just as fun when it's scaled down to where the car can fit in your hand. CO2 dragster racing lets you do just that. Think you have what it takes to build a CO2 dragster? Let's find out!
Do skinny people get more wrinkles?
health.howstuffworks.com/skin-care/beauty/anti-aging/more-wrinkles.htm
Everyone wants to avoid more wrinkles, but does how much you weigh determine how your face will age? See if your weight will predict more wrinkles.
Can you get herpes from water fountains or toilet seats?
health.howstuffworks.com/skin-care/problems/medical/herpes-toilet.htm
Can you really get herpes from water fountains and toilet seats? Learn about herpes transmission and if you can get herpes from a toilet.