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10 Top Biofuel Crops
auto.howstuffworks.com/fuel-efficiency/biofuels/10-biofuel-crops.htm
Could 'energy crops' really be the end to our addiction to fossil fuels? Read about the 10 top biofuel crops at HowStuffWorks.
How a Weather Balloon Works?
science.howstuffworks.com/nature/climate-weather/meteorological-instruments/weather-balloon.htm
Have you ever wondered how weather stations gather all of their data? Even though technology for predicting the weather has improved, simple weather balloons do a lot of the hard work every day.
How Freezers Work
home.howstuffworks.com/freezer.htm
Many freezers have features to prevent frost and digitally monitor temperatures, but the technology has been evolving for years. Learn about freezers.
How Tardigrades Work
animals.howstuffworks.com/animal-facts/tardigrades.htm
No, a tardigrade's not a type of time-traveling police box on "Doctor Who." It's an ancient water bear, of course!
How the U.S. Draft Works
people.howstuffworks.com/us-draft.htm
While the U.S. has no draft currently, it does require military registration via the Selective Service System. What does that mean and what would happen if a draft was reinstated?
How the Gettysburg Address Worked
history.howstuffworks.com/historical-events/gettysburg-address.htm
Why is the Gettysburg Address deemed so important by the American school system? Learn about the meaning behind Lincoln's Gettysburg Address.
How Bounty Hunting Works
people.howstuffworks.com/bounty-hunting.htm
Bounty hunting is an important part of the American justice system. Find out how bounty hunting works and see what a day in the life of a bounty hunter is like.
How the Electoral College Works
people.howstuffworks.com/electoral-college.htm
As we learned in the 2000 election, the electoral college plays a huge role in the election process. Learn how the electoral college works!
10 Possible Solutions to Air Pollution
science.howstuffworks.com/environmental/green-science/10-transportation-pollution-solutions.htm
Not only do cars produce a large portion of the world's pollution, but airplanes, boats, trucks, trains and buses also contribute to pollution. Is there one magic solution to pollution?
U.S. Pet Travel Laws Guide
animals.howstuffworks.com/pets/pet-travel/us-pet-travel-laws.htm
U.S. pet travel laws vary greatly depending on the mode of travel. Learn more about U.S. pet travel laws at Animal Planet.