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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.
Why do I have to join the French Foreign Legion under an assumed name?
science.howstuffworks.com/french-foreign-legion.htm
The French Foreign Legion is a French mercenary unit that bills itself as the school of second chance. Learn more about the French Foreign Legion.
How Skylights Work
home.howstuffworks.com/home-improvement/construction/green/skylights.htm
Skylights make a big difference in the amount of light that enters a room and can add warmth in winter. Learn more about the advantages of skylights.
How will towing affect my gas mileage?
auto.howstuffworks.com/auto-parts/towing/towing-capacity/information/towing-gas-mileage.htm
Towing and gas mileage don't make a good match and will affect your wallet. Learn how towing and gas mileage will affect your next cross-country trip.
What's the difference between a recession and a depression?
money.howstuffworks.com/recession-and-depression.htm
Depression and recession are often used interchangeably, but there's a difference between them. Learn the economic cues that signal them.
How Boolean Logic Works
computer.howstuffworks.com/boolean.htm
Boolean logic lies at the heart of the digital revolution. Find out all about Boolean gates and how by combining them you can create any digital component!
How Does a Silencer Work?
science.howstuffworks.com/question112.htm
How in the world can a gun silencer work? How can you possibly take an explosive noise that can damage your hearing and turn it into a little "ffft" sound?
Will robots get married?
science.howstuffworks.com/robot-wedding.htm
Robot weddings between a human and a robot could be possible by the year 2050. Learn about these robot weddings and the ethics of robot marriages.
How Atavisms Work
science.howstuffworks.com/life/evolution/atavism.htm
Atavisms are traits that are left over from a distant evolutionary ancestor. Learn more about atavisms and the controversy surrounding atavism.
Is the army testing an invisible tank?
science.howstuffworks.com/invisible-tank.htm
An invisible tank could give any military a distinctive edge on the battlefield. Find out how the British army is developing an invisible tank.