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Your search for "population density" returned 118 results
The Pink Fairy Armadillo Is as Mystifying as Its Name
animals.howstuffworks.com/mammals/pink-fairy-armadillo.htm
The pink fairy armadillo looks like something out of a children's book and is so rare that very few people have ever seen one.
Why Aren't Modern Suburbs Built on a Walkable Grid?
science.howstuffworks.com/engineering/civil/why-so-many-suburban-streets-twist-and-turn.htm
You might be surprised to learn that the twists and turns of streets in the suburbs date all the way to the Industrial Revolution.
How Urban Planning Works
science.howstuffworks.com/environmental/green-science/urban-planning.htm
Urban planning works to design a city so that it can be used effectively by its people. Find out more about how urban planning works.
How Liquid Motion Lamps Work
home.howstuffworks.com/lava-lamp.htm
The liquid motion lamp has been a pop-culture icon since the 1960s. Learn about the history of liquid motion lamps and see a video explaining their composition.
Scientists Use LiDAR to Discover Massive Lost Mayan City
LiDAR made it possible to discover the remains of a massive Maya settlement hidden for centuries. HowStuffWorks looks at the technology.
Chances Are You'll Never See a Pine Marten in the Wild
animals.howstuffworks.com/mammals/pine-marten.htm
Pine martens are elusive and love to stay hidden in deep forests, but with strong claws, they are great climbers and hunters.
How Dieting Works
health.howstuffworks.com/wellness/diet-fitness/weight-loss/diet.htm
Dieting is a multibillion dollar industry in the United States, but it doesn't work for most people. The standard story is: Lose 20, gain 30. But there are healthy, effective ways to lose weight. Find out why most diets fail and what you can do to make yours work.
Oral Care for Aging Quiz
play.howstuffworks.com/quiz/oral-care-for-aging-quiz
We're sure you brush and floss every day, right? As they say, "Ignore your teeth and they'll go away." It's important to practice good oral hygiene at any age. However, as you age, oral hygiene becomes more important than ever. Let's test your knowledge on oral care for the aging.
Are You Smarter Than a High Schooler?
play.howstuffworks.com/quiz/are-you-smarter-than-a-high-schooler
It's been a while since you cracked open any textbooks, but you're still smarter than a high schooler. Right? No need to cram for this one, just head to question 1 and stretch your brain!
10 Most Destructive Storms
science.howstuffworks.com/nature/climate-weather/storms/most-destructive-storms.htm
Witch homicide aside, Dorothy was lucky that her home safely traveled to Oz after the tornado. Many people who lived through the storms on our list were left with nothing.