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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.
How does a laser speed gun work to measure a car's speed?
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/question396.htm
How does a laser speed gun work to measure a car's speed? How is it different from a radar gun?
Why are barns usually painted red?
home.howstuffworks.com/question635.htm
Red barns are a common sight in rural parts of the country, but have you ever wondered why they're painted red? Learn about the purpose of red barns.
On television, how does closed captioning work?
electronics.howstuffworks.com/question427.htm
On television, how does closed captioning work?
What Is the Chandler Wobble?
science.howstuffworks.com/question442.htm
The Chandler wobble is the change in the spin of Earth on its axis. Learn more about the Chandler wobble at HowStuffWorks.
What Type of Nail Gun Is Best for Framing?
home.howstuffworks.com/type-of-nail-gun-install-floor-studs.htm
Construction work requires power tools that can do the heavy-duty work as quickly and easily as possible. Learn what type of nail gun is best to install floor studs in this article.
Who Knew Fish Sex Could Be So Loud?
animals.howstuffworks.com/fish/who-knew-fish-sex-could-be-so-loud.htm
The spawning chorus of the Gulf corvina is the loudest sound made by any fish, anywhere. HowStuffWorks listens in on the action.
What's the Difference Between Airspeed and Ground Speed?
science.howstuffworks.com/transport/flight/modern/airspeed-vs-groundspeed.htm
Measuring how fast an aircraft travels depends on whether you factor in the speed of the wind behind it.
What Is a Group of Sheep Called? Not Necessarily a Herd
animals.howstuffworks.com/mammals/what-is-a-group-of-sheep-called.htm
If you've ever driven past a pasture dotted with woolly creatures and wondered, "What is a group of sheep called," you're not alone.
The Milky Way: Understanding Our Place in the Galaxy
science.howstuffworks.com/milky-way.htm
A look at the night sky at any time of year will reveal a faint band of light stretching across the sky -- our solar system's home, the Milky Way. How much do we really know about it?