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Why do civilizations collapse?

science.howstuffworks.com/environmental/green-science/civilizations-collapse.htm

The mighty Romans certainly never thought it would happen to them, but the sun eventually sets on even the most powerful empires. Is there more to the story than war?

When will we run out of fossil fuels?

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When will we run out of fossil fuels? Keep reading to discover when we will run out of fossil fuels and learn about new alternatives!

The Monarch Butterfly Is More Than an Orange Beauty

animals.howstuffworks.com/insects/monarch-butterfly.htm

The monarch butterfly (Danaus plexippus) is one of the most iconic insects in the natural world.

Why Did the USSR Fall? The Real Costs of Becoming a Superpower

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By asking "Why did the USSR fall," you're really asking how a superpower unraveled from the inside.

How the Peter Principle Works

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The Peter Principle is the idea that in business, people are promoted into jobs with duties they cannot fulfill. Find out how the Peter Principle works.

The Ili Pika May Be the Most Adorable Endangered Species

animals.howstuffworks.com/endangered-species/ili-pika.htm

Imagine a creature that combines the cuteness of a teddy bear with the charm of a rabbit, all wrapped up in the size of a terrier. Meet the Ili pika (Ochotona iliensis), a rare animal that has made its home in the Tian Shan mountains of northwestern China.

When Will We Run Out of Oil, and What Happens Then?

science.howstuffworks.com/environmental/energy/run-out-of-oil.htm

If we run out of oil, what are the next steps we can take for energy production? Find out what would happen if we run out of oil.

Neanderthal vs. Homo Sapien: Separate Species With Different Fates

science.howstuffworks.com/life/evolution/neanderthal-vs-homo-sapien.htm

Neanderthals (Homo neanderthalensis) and humans (Homo sapiens) are two distinct species within the genus Homo. Neanderthals lived in Eurasia until about 40,000 years ago, alongside ancient humans.

How to Use IRS Depreciation Tables

money.howstuffworks.com/personal-finance/personal-income-taxes/how-to-use-irs-depreciation-tables.htm

Depreciation can be a huge tax advantage for small business owners if you use the IRS depreciation tables correctly.

The Murder Capital of the U.S. Is in the Deep South

people.howstuffworks.com/murder-capital-of-the-us.htm

The title "murder capital of the U.S." often sparks intense debate, but identifying which city holds this grim distinction requires more than just a glance at murder rates. Factors such as population density add critical context to the narrative.

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