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6 Easiest Countries to Get Citizenship

people.howstuffworks.com/easiest-countries-to-get-citizenship.htm

For those seeking a second passport, better visa-free access, or a new start, the easiest countries to get citizenship provide several paths.

What Is a Group of Ants Called? Army vs. Colony vs. Swarm

animals.howstuffworks.com/insects/what-is-a-group-of-ants-called.htm

You wake up to find a bunch of ants moving like a tiny, six-legged army across your kitchen counter? You pick up the phone to call an exterminator, and while on hold you ask yourself, what is a group of ants called?

Why Did the Inca Empire Fall So Quickly?

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Why did the Inca empire fall? How could a mighty empire collapsed in just a few decades?

How DNA Evidence Works

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DNA evidence is explained in this article from HowStuffWorks. Learn about DNA evidence.

How Icynene Works

home.howstuffworks.com/home-improvement/heating-and-cooling/icynene.htm

Icynene is proposed as a greener alternative to other types of insulation. Learn about Icynene and see how it compares to traditional insulation.

How the Machine Gun Revolutionized Warfare

science.howstuffworks.com/machine-gun.htm

The invention of the machine gun forever changed the battlefield. While soldiers once had to reload after a single shot, they now can fire hundreds of rounds per minute without a single pause.

How Skyscrapers Work

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People build skyscrapers primarily because they are convenient -- you can create a lot of real estate out of a relatively small ground area. They're also awe-inspiring. Skyscrapers capture our imagination -- how high can we build them? Learn about the architecture and design of these monumental buildings.

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