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Perlite: It's Like Popcorn for Your Potting Soil!
home.howstuffworks.com/perlite.htm
Those white beads you see in potting soil are made of a volcanic glass called perlite. And that's not the only place you'll see this versatile material.
Why Are Magnetars So Scary?
science.howstuffworks.com/magnetars.htm
A magnetar is a neutron star with a super-strong magnetic field. Astronomers consider them among the scariest objects in the universe, but why?
Man's War With Unwanted Body Hair
health.howstuffworks.com/wellness/men/hygiene/mans-war-with-unwanted-body-hair.htm
After a certain age, a lot of men start growing hair in places they don't want it - and stop growing it where they do. HOwStuffWorks looks at why.
Cadmium: The Highly Toxic Metal That Powers the World
science.howstuffworks.com/cadmium.htm
Cadmium is a natural metal and the leading component in rechargeable batteries and solar cells. It is also highly toxic and heavily regulated.
How Is Barometric Pressure Measured and Why?
science.howstuffworks.com/nature/climate-weather/meteorological-instruments/barometric-pressure.htm
Weather forecasters can tell what the weather will be by reading the barometric pressure, but how does it work?
How Superchargers Work
auto.howstuffworks.com/supercharger.htm
Superchargers pressurize air intake to above atmospheric pressure. Learn supercharger basics, explore types of superchargers and find out supercharger pros and cons.
10 Important Vitamins for Men's Health
health.howstuffworks.com/wellness/men/health-tips/10-important-vitamins-for-mens-health.htm
There are many important vitamins for men's health. Visit HowStuffWorks to learn about 10 important vitamins for men's health.
What speed should I drive to get maximum fuel efficiency?
auto.howstuffworks.com/fuel-efficiency/fuel-economy/question477.htm
I know that the faster I drive my car, the more gas it uses. But on the other hand, I'll get to my destination in less time. Is there a "sweet spot" on the speedometer that would give me maximum fuel efficiency? And if so, is it different for different car models?
Engine Performance Quiz
play.howstuffworks.com/quiz/engine-performance-quiz
Can you tell the difference between a camshaft and a stick shift? You will once you take the engine performance quiz. See if you know what makes your car get up and go.
Diagnosing Eating Disorders
health.howstuffworks.com/mental-health/eating-disorder/diagnosing-eating-disorders.htm
Diagnosing eating disorders is good information to know for your overall health. Learn more about diagnosing eating disorders from Discovery Health.