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Meet the Trebuchet, the Castle-crushing Catapult of the Middle Ages
history.howstuffworks.com/european-history/trebuchet.htm
Before the advent of gunpowder, enemy combatants used a powerful siege weapon called a trebuchet to forcefully launch projectiles - sometimes a large stone, a decapitated human head or a dead horse - at intended targets.
Why Chuck Yeager Was the Greatest Pilot of All Time
science.howstuffworks.com/transport/flight/modern/chuck-yeager.htm
Before Yeager did it, people thought it was impossible to break the sound barrier in flight. But he proved them wrong, even flying the plane while nursing two cracked ribs.
Does the Real Element 115 Have a Connection With UFOs?
science.howstuffworks.com/space/aliens-ufos/element-115.htm
For decades Bob Lazar talked about a mysterious element 115 that could power alien spacecraft. People thought he was nuts, but scientists discovered element 115 in 2003. What can that element do?
Bacon's Rebellion: America's First Armed Insurrection
history.howstuffworks.com/revolutionary-war/bacons-rebellion.htm
Nathaniel Bacon led an armed rebellion in 17th century Colonial America against Gov. William Berkeley. The rebellion was brief but its ramifications changed the course of American history.
Why do movie posters look so much alike?
entertainment.howstuffworks.com/why-do-movie-posters-look-alike.htm
Tons of movie posters are blue and orange because the colors contrast so well. Learn more about why movie posters look alike at HowStuffWorks.
What if we ran out of fossil fuels?
science.howstuffworks.com/science-vs-myth/what-if/what-if-ran-out-fossil-fuels.htm
We wouldn't stop requiring power. So how would a turn to alternative energy sources work out for transportation, international trade and our daily diets?
Do opposites really attract?
people.howstuffworks.com/opposites-attract.htm
Do opposites attract? Plenty of movies and books seem to think so -- but is there is there a science to these stories? Learn if opposites attract.
The Geology Behind 5 American Landmarks
science.howstuffworks.com/environmental/earth/geology/geology-american-landmarks.htm
The U.S. is full of exceptional geological formations. HowStuffWorks looks at at five that set the bar high as far as landmarks go.
10 Factors That Affect Your Life Insurance Premium
money.howstuffworks.com/personal-finance/family-finance/life-insurance-premiums.htm
How much you pay for life insurance can vary on many different factors, including your age, gender and your favorite hobbies. HowStuffWorks explains.
Baby It's Cold Outside! How the Arctic Fox Survives Frigid Temps
animals.howstuffworks.com/mammals/arctic-fox.htm
The arctic fox thrives in temperatures as low as -58 degrees F (-50 degrees C), largely because it has the warmest coat of any animal on Earth.