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Will the U.S. Ever Run Out of Telephone Numbers?

electronics.howstuffworks.com/phone-number-shortage.htm

The list of usable phone numbers runs into the billions, but the number is not infinite. So, what happens if we run out?

The Worst Flood in History (and 9 Other Catastrophic Floods)

science.howstuffworks.com/nature/natural-disasters/worst-flood-in-history.htm

Floods have shaped landscapes, destroyed cities and taken lives for centuries. This list that starts with the worst flood in history looks at some of the most catastrophic floods in recorded history, from natural disasters fueled by heavy rain to human-engineered failures that ended in tragedy.

The Truman Doctrine Transformed U.S. Foreign Policy Forever

history.howstuffworks.com/american-history/truman-doctrine.htm

Discover how the 1947 Truman Doctrine shifted the U.S. from isolationism to a policy of containing communism, reshaping international relations during the Cold War.

Will a butterfly die if I touch its wings?

animals.howstuffworks.com/insects/butterfly-wing-fragility.htm

Butterfly wing fragility seems like a given, but these delicate parts can stand up to surprising elements. Learn more about butterfly wing fragility.

The Highly Venomous Timber Rattlesnake Is an American Icon

animals.howstuffworks.com/snakes/timber-rattlesnake.htm

If you're looking for the venomous timber rattler, the U.S. is the place to be, as these bad boys are found in at least 27 states.

5 of Earth's Highest Deserts

science.howstuffworks.com/environmental/earth/geology/high-deserts.htm

Not all deserts have sand and they're certainly not all hot. They're just extremely dry and have little vegetation. That means deserts are located all over the planet, including at super-high elevations.

Yosemite Landmarks That Will Take Your Breath Away

lifestyle.howstuffworks.com/family/activities/yosemite-landmarks.htm

You don’t have to be a geologist or a thrill-seeking mountaineer to fall in love with Yosemite landmarks. From the moment you step into Yosemite National Park, you’re stepping into a living postcard framed by granite cliffs, cascading waterfalls and ancient giant sequoias.

11 Most Popular Sports in the World

entertainment.howstuffworks.com/most-popular-sports.htm

Thrilling gameplay, dramatic storylines and top-notch talent are all important factors in ensuring a sport's popularity grows and fanbases thrive. The most popular sports in the world are all spectacles of athletic competition that attract large crowds in the stands and around the television.

Can You Guess the Famous Commercial From a Quote?

play.howstuffworks.com/quiz/can-you-guess-the-famous-commercial-from-a-quote

Do you know which cereal goes "Snap! Crackle! Pop!"? What about which coffee brand America runs on? If you're an expert on commercials, you'll find that this quiz is good to the last drop!

The Dreaded Bradford Pear Tree Smell Isn't Very Pear-Like

home.howstuffworks.com/whats-that-smell-dreaded-bradford-pear.htm

Its blooms are lovely. But to many, the Bradford pear tree's smell and invasiveness are anything but.

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