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Is the amount of mercury in CFLs more dangerous than the amount in fish?
science.howstuffworks.com/environmental/green-science/cfl-mercury.htm
Mercury in CFLs and fish are the best known sources of mercury exposure. Learn about mercury in CFLs and fish and find out which should cause more concern.
How to Back Up a Hard Drive
electronics.howstuffworks.com/how-to-tech/how-to-back-up-hard-drive.htm
If you back up your hard drive, you can save yourself headaches in the future if you should lose your files. Learn how to back up your hard drive.
What is the emission certification standard?
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/emission-certification-standard.htm
What is the emission certification standard? Find out what the emission certification standard is at HowStuffWorks.
What is the world's cheapest alternative fuel car?
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/cheapest-alternative-fuel-car.htm
The world's cheapest alternative fuel car is currently the Tara Tiny. Read about the world's cheapest alternative fuel car in this article.
How Volunteer Work for Teens Works
money.howstuffworks.com/economics/volunteer/opportunities/volunteer-work-for-teens.htm
Volunteer work for teens can help them get into great colleges. Learn all about volunteer work for teens at HowStuffWorks.
Are solar-powered vehicles still a possibility?
auto.howstuffworks.com/fuel-efficiency/vehicles/solar-powered-vehicle-possibility.htm
Will there ever be a day when we'll use a solar-powered car as our main form of transportation? Find out if a solar-powered car is still a possibility?
Can wearing magnets really repel sharks?
animals.howstuffworks.com/fish/sharks/shark-magnet.htm
You may be able to repel sharks simply by wearing some magnets. But what's so abhorrent about a magnet to a shark? Find out why magnets repel sharks.
How Do Water Softeners Work?
home.howstuffworks.com/question99.htm
A water softener uses sodium to help replace calcium and magnesium ions. Learn about about water softeners and how water softeners treat your water.
Were the American colonists drugged during the Salem witchcraft trial?
history.howstuffworks.com/history-vs-myth/drugged-salem-witchtrial.htm
The Salem witchcraft trials were some of the darkest events in all of American history. Learn about the Salem witchcraft trials.
What is a levee?
science.howstuffworks.com/engineering/structural/levee.htm
Whether they make you think of Hurricane Katrina or Led Zeppelin, levees are a critical safety feature for low-lying areas located near water. Why do they break?