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5 Farming Technologies That Changed the World
science.howstuffworks.com/environmental/green-science/5-farming-technologies-changed-world.htm
Farming technologies have allowed the world to be fed, even though most people no longer farm. Only 2 percent of Americans are farmers, versus 90 percent in the 1700s. Which tools and technologies have had the most impact on farming and why?
Did the Mayan civilization end because of climate change?
science.howstuffworks.com/environmental/green-science/climate-change-end-mayan-civilization.htm
Over the years, many theories have been advanced about why the once-mighty Mayan civilization fell. But a newer one is getting attention: Was it because of climate change?
How long is too long for a pet to be in a car?
animals.howstuffworks.com/pets/pet-travel/too-long-for-pet-to-stay-in-car.htm
Pets can become uncomfortable easily, so you must make sure they aren't in the car for too long. But, how long is too long for a pet to stay in a car?
How Blackouts Work
science.howstuffworks.com/environmental/energy/blackout.htm
Blackouts are explained in this article. Learn about blackouts.
How the DHARMA Initiative Works
entertainment.howstuffworks.com/dharma-initiative.htm
If you're a big fan of "Lost," you're probably full of theories about the DHARMA Initiative. Learn about the DHARMA Initiative history and theories.
Organic Skin Cleansing Products
health.howstuffworks.com/skin-care/cleansing/products/organic-skin-cleansing-products.htm
Organic skin cleansing products are growing in popularity. Learn about how organic skin cleansing products work at HowStuffWorks.
10 Things Not to Do When Painting Your Home
Here are 10 things NOT to do when you have an endless house-painting job looming over you. Learn more about painting your house at HowStuffWorks.com.
Why did Gandhi march 240 miles for salt?
history.howstuffworks.com/history-vs-myth/salt-march.htm
The Salt March was Gandhi's march to Dandi in protest of British tax policies. Read about the Salt Satyagraha.
What Is a Green Roof?
science.howstuffworks.com/environmental/green-science/green-rooftop.htm
A green roof is a roof that is covered in plants, which reduces stormwater run-off and lowers cooling costs. Find out how a green roof can help the environment.
How Data Integration Works
computer.howstuffworks.com/data-integration.htm
Data integration allows users to see a unified view of data that is positioned in different locations. Learn about data integration at HowStuffWorks.