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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.
Oh Indy! 'Indiana Jones' Quiz
play.howstuffworks.com/quiz/indiana-jones-quiz
Grab a bullwhip, because it's time to test your "Indiana Jones" knowledge. Indiana Jones may have been a fictional adventurer in the film franchise, but he lives on in fandom. Find out if "Indiana Jones" trivia is your superpower.
How Much Do You Know About Heavy Machinery?
play.howstuffworks.com/quiz/how-much-do-you-know-heavy-machinery
Coming through! You don't want to get in the way of our quiz on the steamroller, the bulldozer and other incredibly powerful tools that humans have made. But if you think you're up to the job, test your knowledge of heavy machines now!
5 Worst Nuclear Disasters in the World
history.howstuffworks.com/historical-events/worst-nuclear-disasters-in-world.htm
Nuclear power plant accidents are rare, but when they happen, there can be lasting effects from the radiation. Here are history's most horrific accidents.
The Ultimate McDonald's Quiz
play.howstuffworks.com/quiz/ultimate-mcdonalds-quiz
Loved for its deep-fried goodness and loathed for its cheap, fatty fare, McDonald's has become more than just a chain restaurant: It's a bona fide cultural icon. But it'll take more than a little McNugget know-how to pass the Ultimate McDonald's Quiz.
Gadget Savvy: Electric Motors Quiz
play.howstuffworks.com/quiz/electric-motor-quiz
Electric motors are inside all kinds of ordinary devices, using a power source to make motion. So what makes the motor go 'round?
What causes the muscle cramps in my legs?
health.howstuffworks.com/wellness/diet-fitness/information/question223.htm
Muscle cramps can be caused by over-exerting certain muscles. Learn about muscle cramps and how stretching can alleviate them.
How does the oxygen sensor in a car work?
auto.howstuffworks.com/question257.htm
How does the oxygen sensor in a car work?
What if I never changed the oil in my car?
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/never-changed-oil.htm
If you never changed the oil in the engine of your car, what would happen? Find out what would happen if you never changed the oil in your car.
Plumed Cockscomb
home.howstuffworks.com/plumed-cockscomb.htm
Looking for a long-lasting flower to accent your garden and floral arrangements? Plumed cockscomb is an annual flower that dries well and keeps its color. In this article, learn about planting, growing, propagating, and using plumed cockscomb.