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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?
Messerschmitt Me 262
science.howstuffworks.com/messerschmitt-me-262.htm
The great legacy of the Messerschmitt Me 262 is that it inspired other air forces to adopt the jet fighter as standard, and moved engineers to utilize its layout for fighters and airliners. Learn more about this top World War II fighter plane.
How might my age and gender affect my cholesterol level?
Age, gender and cholesterol can effect your health. Learn more about your age, gender and cholesterol level at Discovery Health.
5 Reasons to Buy a Crossover Vehicle
auto.howstuffworks.com/car-models/crossover-cars/5-reasons-to-buy-a-crossover-vehicle.htm
What are the best reasons to buy a crossover vehicle? Read about 5 reasons to buy a crossover vehicle at HowStuffWorks.
What if Everybody in the U.S. Flushed the Toilet at the Same Time?
home.howstuffworks.com/home-improvement/plumbing/everybody-flushes-toilets.htm
No one knows for sure, but chances are, it would make a terrible mess.
Mark Cuban Wants to Solve the U.S. Prescription Drug Price Crisis
health.howstuffworks.com/medicine/healthcare/mark-cuban-pharmacy.htm
The billionaire business owner launched an online pharmacy in March with drug prices slashed. But is the model poised to disrupt America's prescription drug business?
What if a Child Eats Fluoride Toothpaste?
health.howstuffworks.com/wellness/oral-care/kids/what-if-child-eats-fluoride-toothpaste.htm
What if your child eats fluoride toothpaste? Learn more in this article from Discovery Fit & Health.
Can You Identify These Big Cats?
play.howstuffworks.com/quiz/can-you-identify-these-big-cats
There are plenty of different big cats found throughout the world, but how well do you know them? Take this quiz if you believe that you can correctly identify them all!
So ... Just How Many House Cats Are There in the World?
animals.howstuffworks.com/pets/just-how-many-house-cats-are-there-the-world.htm
Counting the number of housecats around the world is about as difficult as, well, herding cats. In fact, estimates of global cat population vary... by millions.
Air Pollution Kills 5.5 Million Per Year, Half in China and India Alone
science.howstuffworks.com/environmental/green-science/air-pollution-kills.htm
Millions of people die every year because of poor air quality, new international research finds. That number is expected to rise in coming years.