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Your search for "density" returned 534 results
What colors and styles do braces come in?
health.howstuffworks.com/wellness/oral-care/kids/colors-and-styles-braces.htm
Braces are no longer a horror to youngsters, and now seen as a way to a better, healthier smile. Find out what colors and styles braces come in.
What is soft-story seismic retrofitting?
science.howstuffworks.com/engineering/structural/soft-story-seismic-retrofitting.htm
A soft-story building has a first floor that's more flexible than the ones above -- think apartments over a department store that's mostly open space. How does soft-story retrofitting keep such buildings from collapsing in a quake?
The Hottest Place on Earth and 9 Scorching Contenders
science.howstuffworks.com/nature/climate-weather/atmospheric/hottest-place-on-earth.htm
When challenged to name the hottest place on Earth, sprawling desert environments like Death Valley or the African Sahara probably spring to mind. However, extreme heat nearly matching those examples can occur on five continents, and some of these hottest places are even densely populated by humans.
How the Dallas Cowboys Scoreboard Works
electronics.howstuffworks.com/dallas-cowboys-scoreboard.htm
The Dallas Cowboy's scoreboard is the biggest HDTV around. Learn about this huge screen and why the Dallas Cowboy's scoreboard makes opposing teams angry.
Platinum: What's So Special About the Shiny Metal?
science.howstuffworks.com/environmental/earth/geology/platinum.htm
This white-hot metal not only makes beautiful jewelry, it's coveted for industrial, medical and military purposes too.
What Is the Strongest Metal on Earth?
science.howstuffworks.com/environmental/earth/geology/titanium.htm
Let's take a look at some of the strongest metals on Earth and their surprising uses.
How the Adirondack Chair Became the Comfiest One You Can Own
home.howstuffworks.com/adirondack-chair.htm
The comfort of the wide armrests, high back and slanted seat of the Adirondack chair have made it legendary since its invention in the early 1900s.
Can You Score 27/35 on This Difficult World Geography Quiz?
play.howstuffworks.com/quiz/difficult-world-geography-quiz
You Ghana love this! We just know it! The ultimate world geography quiz just for you! Andes let's see how well you do! Aim high! But you better know your geographical features, capitals and landmarks found all over the globe!
How Many Oceans Are There?
science.howstuffworks.com/environmental/earth/oceanography/how-many-oceans-are-there.htm
The oceans take up most of the surface area of our planet and remain mostly unexplored. But how many oceans are there?
The Most Dangerous Airport in the World, Plus 12 Nail-biters
science.howstuffworks.com/transport/flight/modern/scariest-airports-landings-takeoffs.htm
Fear of flying? Here are 13 airports where location, terrain, weather and design limitations make takeoff and landing a challenge for pilots and a nail-biter for passengers.