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What's the Difference Between a Cave and a Cavern?
science.howstuffworks.com/environmental/earth/geology/cave-cavern-difference.htm
One term might give you the impression of something grand and mysterious, while the other makes you think of claustrophobia-inducing environs that threaten human life. But what's the real difference?
The 'Green Book' Was a Lifeline for Black Travelers
history.howstuffworks.com/american-history/green-book-was-lifeline-for-black-travelers.htm
Before the 1964 Civil Rights Act and even after it, the tradition of the "great American road trip" was very different for families of color.
If Rainbows Are Circular, Why Do We Only See Arches?
science.howstuffworks.com/nature/climate-weather/atmospheric/rainbows-are-circular.htm
The simple explanation is you have to be in just the right spot and the conditions have to be perfect for you to see the entire 360 degrees.
Swamps and Wildfires: A Dangerous Combination
science.howstuffworks.com/nature/natural-disasters/swamps-and-wildfires-dangerous-combination.htm
A fire can burn for years, yes years, in a swamp. What's the deal?
What if everyone on Earth jumped at the same time?
science.howstuffworks.com/science-vs-myth/what-if/what-if-everyone-on-earth-jumped-at-same-time.htm
The Earth is a pretty stalwart planet, having survived billions of years of punishment at the hands of asteroids and other cosmic bodies. But could it withstand more than 7 billion people jumping up and down in unison? Do we even want to find out?
Quarks Are the Building Blocks of All Matter
science.howstuffworks.com/quarks.htm
Protons and neutrons, the particles that form the nuclei of atoms, are themselves made up of even smaller particles known as quarks.
Is Cold-Shocking Your Body After a Sauna a Good Idea?
health.howstuffworks.com/wellness/spa-health/hot-sauna-cold-body-shock.htm
The Finnish people tout the therapeutic benefits of a hot sauna, followed by a cold plunge into a lake. And they would know. They're credited with starting the practice and have been doing it for centuries.
How Dangerous Is the Beaver?
animals.howstuffworks.com/mammals/beaver.htm
Beaver attacks get a lot of media attention but should we really be afraid of beavers? HowStuffWorks learns all about these rodents.
The Peace Sign: From No Nukes Logo to Anti-war Symbol
history.howstuffworks.com/historical-events/peace-sign.htm
The peace sign has been a ubiquitous part of culture for more than 60 years. HowStuffWorks takes a look at this enduring symbol of cooperation.
Elk Are Huge, Aggressive and Unpredictable
animals.howstuffworks.com/mammals/elk.htm
Elk are some of the most majestic animals in the world, but also some of the most aggressive. HowStuffWorks looks at the territorial elk.