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10 Worst Ways History Has Repeated Itself
history.howstuffworks.com/historical-events/10-worst-ways-history-has-repeated-itself.htm
As they say, if we don't learn from history, we're doomed to repeat it. And as these 10 historical events prove, humans seem to be more prone to repeating than learning.
How to Improve Your Memory
health.howstuffworks.com/human-body/systems/nervous-system/how-to-improve-your-memory.htm
You can make the decision to improve your memory and get better at remembering things today! Learn about sharpening your memory at HowStuffWorks.com.
How Nuclear Bombs Work
science.howstuffworks.com/nuclear-bomb.htm
Nine countries hold the 13,000 nuclear weapons in the global stockpile. That's less than during the Cold War but it doesn't change the fact that these bombs are still a threat to global humanity. So how do they work and are we close to nuclear war?
How Roller Coasters Work
science.howstuffworks.com/engineering/structural/roller-coaster.htm
They don't have engines, brakes or accelerators. No, these amazing machines rely on physical, centripetal and gravitational forces to urge thrills, screams and that sinking stomach feeling we all love (and hate). Read more about the science of fun.
Ultimate Guide to Thomas the Tank Engine
lifestyle.howstuffworks.com/family/activities/how-thomas-the-tank-engine-works.htm
Thomas the Tank Engine is the best-known fictional locomotive in the world. Here we take a close look at this beloved children's character.
10 Recession-proof Businesses
money.howstuffworks.com/10-recession-proof-businesses.htm
Recession-proof businesses are in high demand in a bad economy. Check out our top 10 recession-proof businesses from HowStuffWorks.
How Joe Biden Works
history.howstuffworks.com/historical-figures/joe-biden.htm
Joe Biden, a former senator from Delaware, was Barack Obama's pick for vice president. Read about Joe Biden's latest campaign for the White House.
How Radiation Works
science.howstuffworks.com/radiation.htm
Radiation is a loaded word. Believe it or not, not all radiation is bad for your health. Learn which radiation is deadly and which isn't deadly.
How RFID Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/rfid.htm
RFID is a tracking system that uses intelligent bar codes to track items in a store. Learn more about RFID and find out how smart labels work.
Science Projects for Kids: Chemical Reactions
lifestyle.howstuffworks.com/crafts/science-projects/science-projects-for-kids-chemical-reactions.htm
These science projects for kids show how chemical reactions can change color or cause explosions. Learn science projects for kids: chemical reactions.