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What Are UFOs? Select Theories and Shifting Scientific Stances
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What are UFOs, and are UFOs real? Learn about UFOs in this article from HowStuffWorks.
How Gasoline Works
science.howstuffworks.com/gasoline.htm
Without gasoline, the world as we know it would grind to a screeching halt. The U.S. alone consumes well over a hundred billion gallons of gasoline per year. Learn all about this vital fuel.
How Waterless Toilets Work
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Waterless toilets are a great way to save water. Visit HowStuffWorks to learn all about waterless toilets.
How a Nuclear Reactor Works
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Over the years, nuclear reactors have been viewed as both a miracle and a menace. How does a nuclear reactor do its job? And what happens when something goes wrong?
How Storm Chasers Work
science.howstuffworks.com/nature/climate-weather/storms/storm-chaser.htm
If a tornado was heading your way, you'd probably head for the hills. But for some people, it's just the beginning of a chase.
How Gene Doping Works
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In gene doping, athletes would modify their genes to perform better in sports. Learn why gene doping isn't acceptable but gene therapy is.
10 New Uses for Old Inventions
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You think you really know an invention until -- whammo -- someone comes up with a new use for it. Ointment that soothes tired cow teats and treats baldness? Who would have thought?
28 Industrial Revolution Inventions That Shaped Our World
science.howstuffworks.com/innovation/inventions/5-industrial-revolution-inventions.htm
Many inventions during the Industrial Revolution caused Europeans and Americans to move from an agricultural economy to an industrial one and changed the world forever. What were the top 10?
How to Become an Airline Pilot
science.howstuffworks.com/transport/flight/modern/pilot.htm
Airline pilots have an amazing job with huge responsibilities. Learn what it's like to be a pilot and what it takes to make it in this highly competitive profession.
What are the challenges of reducing solid waste?
science.howstuffworks.com/environmental/green-science/reducing-solid-waste.htm
Landfills have long been the final destination for garbage, but as they start to fill up, we're left to find ways to reduce our waste. What challenges are involved, and why isn't reducing waste as easy as it sounds?