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Who invented the Barbie doll and why?
entertainment.howstuffworks.com/barbie-history.htm
Barbie history is darker than the doll's platinum tresses; this icon was inspired by a German sex toy. Read about Barbie history and the muse behind her.
How the Hybrid Tax Credit Works
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/hybrid-tax-credit.htm
Hybrid cars offer tax incentives. Learn more about hybrid tax credits at HowStuffWorks.
How Automatic Solar Panel Cleaning Systems Work
science.howstuffworks.com/environmental/green-tech/sustainable/solar-panel-cleaning-system.htm
Automatic solar panel cleaning makes solar panels far more efficient. Visit HowStuffWorks to learn all about automatic solar panel cleaning.
How to Become a Volunteer Firefighter
money.howstuffworks.com/economics/volunteer/opportunities/become-volunteer-firefigher.htm
Would you like to become a volunteer firefighter? Visit HowStuffWorks and learn all about how to become a volunteer firefighter.
How the BMW X6 ActiveHybrid Works
auto.howstuffworks.com/bmw-x6-activehybrid.htm
The BMW X6 ActiveHybrid concept blurs the line between SUV, hatchback and sports car. Read about the BMW X6 ActiveHybrid car.
Chicxulub Crater: Where the End of the Dinosaurs Began
science.howstuffworks.com/environmental/earth/geology/chicxulub-meteor.htm
The Chicxulub meteor impact may have killed off the dinosaurs. Would they have lived if the meteor missed? Learn more about the Chicxulub meteor.
How Locard's Exchange Principle Works
science.howstuffworks.com/locards-exchange-principle.htm
Are you interested in finding out how Locard's exchange principle works? Read this article to find out how Locard's exchange principle works.
How Blue Screens Work
entertainment.howstuffworks.com/blue-screen.htm
When an actor dangles over an incredibly deep river gorge, blue screen photography is what makes it look real. Find out how the blue screen technique works and why it's so convincing.
Why is Mesopotamia called the cradle of civilization?
history.howstuffworks.com/history-vs-myth/mesopotamia-cradle-of-civilization.htm
Mesopotamia was a region in the Middle East from which all of civilization developed. Learn about Mesopotamia and the birth of ancient civilization.
Planet Mercury: Fast, Pockmarked and Shrinking
science.howstuffworks.com/46004-mercury-explained.htm
Mercury is the closest planet to the sun, and it's the smallest in the solar system. So why does it have longer days than we have on Earth?