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What Is the Atacama Skeleton, and Why Is It So Controversial?
science.howstuffworks.com/life/genetic/atacama-skeleton.htm
The Atacama skeleton has sparked intense controversy and, based on its appearance, speculation of alien origin since its discovery in 2003. But what is the real story behind this little skeleton?
When Were the Twin Towers Built?
science.howstuffworks.com/engineering/structural/wtc.htm
The twin towers of the World Trade Center were true originals -- their history is one of innovation, persistence and grand ideas.
A Guide to Home Safety
home.howstuffworks.com/home-improvement/household-safety/a-guide-to-home-safety.htm
Home safety is an important issue. Learn valuable safety precautions that will reduce the risk of an injury or death occurring in your home.
What is the difference between a hardwood and a softwood?
science.howstuffworks.com/life/genetic/question598.htm
What is the difference between a hardwood and a softwood? How hard does a tree have to be to be considered hardwood?
Why did cars become the dominant form of transportation in the United States?
auto.howstuffworks.com/cars-dominant-form-transportation.htm
Why did cars become the dominant form of transportation in the U.S.? In this article, find out why cars became the main form of transportation in the U.S.
How green is a self-contained composting toilet?
home.howstuffworks.com/green-living/composting-toilet.htm
A composting toilet is a step beyond keeping your home as earth friendly as possible. Learn about composting toilets and how much water they save.
Is ethanol really more eco-friendly than gas?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/ethanol-facts.htm
Ethanol facts help sort out which is better, ethanol or gas? Learn about ethanol facts, and find out if ethanol is more eco-friendly than gas.
How Geothermal Energy Works
science.howstuffworks.com/environmental/energy/geothermal-energy.htm
Geothermal energy is clean, abundant and renewable. Learn about geothermal energy, geothermal heat pumps and geothermal power plants.
Is there a way to keep floodwaters out of my house?
home.howstuffworks.com/home-improvement/home-diy/floodwaters-out-of-house.htm
Floodwaters can do significant damage to a home. Learn how to keep floodwaters out of the house in case of disaster.
How Electric Aircraft Work
science.howstuffworks.com/environmental/green-tech/sustainable/electric-aircraft.htm
Electric aircraft are explained in this article. Learn about electric aircraft.