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Top 10 NASA Inventions
science.howstuffworks.com/innovation/inventions/top-5-nasa-inventions.htm
The men and women of NASA are an ingenious bunch, and they're not just inventing amazing things for space. Which inventions have changed our lives here on Earth?
How Student Loan Deferments and Forbearance Work
Student loan deferments and forbearance are ways of putting off paying back your loans. Learn about student loan deferments and forbearance.
10 Innovations That Led to the Modern Bullet
science.howstuffworks.com/10-bullet-innovations.htm
Firearms get the historical spotlight, but what about the projectiles they hurl at insane speeds? Here are the innovations that gave rise to modern ammunition. Think of it as 10 rounds of ammo info.
How Floor Buffers Work
home.howstuffworks.com/floor-buffer.htm
A floor buffer can help you create beautiful, shiny floors. How do floor buffers work and how do you choose the right one?
How Sigmund Freud Worked
health.howstuffworks.com/mental-health/psychologists/sigmund-freud-worked.htm
Why is Sigmund Freud still so important, even though most of this theories were wrong? Learn about Sigmund Freud at HowStuffWorks.
10 Scientifically Sound Weather Superstitions
Ever hear that saying that a cow lies down when rain is coming? This superstition may not be as udderly ridiculous as you think.
10 Careers Where You Can Eat for a Living
money.howstuffworks.com/10-careers-eat-for-living.htm
You love to eat, and you need to money to live. View 10 careers where you can eat for a living at HowStuffWorks.
10 of History's Happiest Accidents
history.howstuffworks.com/historical-events/10-history-happiest-accidents.htm
Where would we be without the accidental discoveries of beer, penicillin or Popsicles? Here is HowStuffWorks' list of history's happiest accidents.
How Nicotine Works
science.howstuffworks.com/nicotine.htm
Smoking or chewing tobacco makes many people feel good, even mildly euphoric. It's the nicotine that produces the buzz. Find out how nicotine affects the human body and what makes it so addictive.
How Performance-enhancing Drugs Work
entertainment.howstuffworks.com/athletic-drug-test.htm
Performance-enhancing drugs are the frequent subject of controversy in the sporting world. Learn about performance-enhancing drugs and doping practices.