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Body Mass Index
health.howstuffworks.com/wellness/diet-fitness/weight-loss/bmi.htm
The number on the scale alone can't tell you whether you're at a healthy weight. Because height is also a factor, scientists came up with a mathematical formula called Body Mass Index (BMI). Learn how to calculate your BMI.
The Spiritual Significance of Aura Colors: What Do They Mean?
science.howstuffworks.com/science-vs-myth/everyday-myths/aura-color-meaning.htm
Is your aura trying to warn you about something? Learn the shocking truth behind each aura color and what changing hues might reveal about your future. Most people misinterpret these critical energy signals.
How Landfills Work
science.howstuffworks.com/environmental/green-science/landfill.htm
What happens to all of that trash you put on the curb every week? It doesn't just disappear into a parallel universe. Much of it probably goes to the local landfill, and how it gets handled there is a very involved system.
How Performance-enhancing Drugs Work
entertainment.howstuffworks.com/athletic-drug-test.htm
Performance-enhancing drugs are the frequent subject of controversy in the sporting world. Learn about performance-enhancing drugs and doping practices.
How Gray Water Reclamation Works
science.howstuffworks.com/environmental/green-science/gray-water-reclamation.htm
Gray water reclamation is a developing way to reduce water waste and go green. Find out how gray water reclamation works.
10 Everyday Car Technologies That Came From Racing
auto.howstuffworks.com/under-the-hood/trends-innovations/top-10-car-tech-from-racing.htm
Do you think you know 10 everyday car technologies that came from racing? Read this article to learn 10 everyday car technologies that came from racing.
How Black Boxes Work
science.howstuffworks.com/transport/flight/modern/black-box.htm
Black boxes help investigators determine what happened in an airplane accident. What's inside a black box and how does it record flight data?
How Blood Works
health.howstuffworks.com/human-body/systems/circulatory/blood.htm
Blood is the most commonly tested part of the body, and it is truly the river of life. Learn about red and white blood cells, lymphocytes, blood tests, blood types and blood donation.
How Food Works
science.howstuffworks.com/innovation/edible-innovations/food.htm
Ever wonder what, exactly, you are putting in your body when you eat? Would you like to know the real difference between a "fat" and a "carb"? Learn all about food and how your body uses it!
1937-1938 Ford
auto.howstuffworks.com/1937-1938-ford.htm
The 1937-1938 Ford lineup caused quite a stir, beginning with the spectacular introduction of the 1937 models. Follow the 1937-1938 Ford story.