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Can You Tell What Countries These International Border Crossings Are In?

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Borders delineate the shapes of nations and the limits of their reach, culturally, militarily and in terms of natural resources. Border crossings have been flashpoints throughout history. Could you recognize them if you saw them?

5 Rare Parasites Found in the Human Body

health.howstuffworks.com/diseases-conditions/infectious/5-rare-parasites.htm

Rare parasites can be creepy. We're willing to bet that you'd go to almost any length to avoid spending time with the five rare parasites.

Are You Smarter Than a 5th Grader: Science Edition!

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Do you think you're smarter than a 5th grader when it comes to science? Can you answer these elementary science questions? Let's find out with this quiz!

The 10 Heaviest Buildings Ever Moved

science.howstuffworks.com/engineering/structural/heaviest-building-moved.htm

The five heaviest buildings ever moved rank high in the history of structural moving. Learn what those five heaviest buildings are.

Modern Decline of Railroads

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The decline of railroads came about during the 1960s and 1970s as the automobile dominated transportation. Read about the decline of railroads.

10 of the Bloodiest Battles of World War II

history.howstuffworks.com/historical-events/5-bloodiest-world-war-ii-battles.htm

The war that began with German dictator Adolf Hitler's rise to power led to more than 50 million combatant and civilian deaths. Which 10 battles during the World War II were the costliest?

How Landslides Work

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Landslides can be devastating, causing more damage than their triggers. Learn more about landslides and landslide causes.

What are tide tables?

science.howstuffworks.com/environmental/earth/oceanography/tide-table.htm

Whether you sail, surf, fish or collect shells, having one of these could help you out before you hit the water.

The Most Recent Extinct Animal Was Last Seen in 1995

animals.howstuffworks.com/extinct-animals/most-recent-extinct-animal.htm

Today, we're delving into a sobering topic: recently extinct animals. Species extinction is accelerating, with many species disappearing due to habitat destruction, invasive species and climate change.

How the General Lee Works

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Many fans watched "The Dukes of Hazzard" TV show to see a character that never earned a salary -- the General Lee. Recently, the Dukes' 1969 Dodge Charger starred its first feature film, and it ain't just whistlin' Dixie.

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