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8 Things Invented or Discovered by Accident
From cornflakes to Silly Putty, many of the things we consume today were created unintentionally. Here are the stories behind eight well-known inventions.
The Classic Porsche Quiz: Can You Name Them All?
play.howstuffworks.com/quiz/the-classic-porsche-quiz-can-you-name-them-all
Porsche sure loves numbers! Most of their models only have a number as an identifier: 911 (no, it's not an emergency), 901, 550 and many more. Can you identify them from a single image?
What Is the Point of Daylight Saving Time?
science.howstuffworks.com/innovation/everyday-innovations/daylight-saving-time.htm
We humans aren't complete slaves to time. We've devised ways to pack an extra hour of sunshine into our day, thanks to daylight saving time. But who came up with this idea and why do so many people loathe it?
Can You Identify These Canadian National Treasures?
play.howstuffworks.com/quiz/can-you-identify-these-canadian-national-treasures
The second-largest country in the world, Canada is full of important landmarks (both natural and manmade.) Can you guess what they are from a photo?
Why do I have black gums?
health.howstuffworks.com/wellness/oral-care/problems/black-gums.htm
Wondering why you have black gums? In many cases there is hope for treatment. Learn why you might have black gums.
The Colorful History of Nail Polish
health.howstuffworks.com/skin-care/nail-care/tips/colorful-history-nail-polish.htm
Today it's second nature to paint your fingernails and toenails. But it's been a long road to here. HowStuffWorks breaks down the colorful history.
How Light Propulsion Will Work
science.howstuffworks.com/light-propulsion.htm
Like many new technologies, light propulsion was originally conceived as a tool of war and national defense. But the "Star Wars" missile defense system may eventually send rockets, rather than missile-destroying lasers, into space.
5 Worst Financial Panics in U.S. History
history.howstuffworks.com/historical-events/5-financial-panics.htm
The 5 worst financial panics in U.S. history all happened around the turn of the century. What do they have in common? Could the same problems occur today?
A Wisconsin Woman Led a German Resistance That Enraged Hitler
history.howstuffworks.com/historical-figures/mildred-harnack.htm
Mildred Harnack was the only American in the leadership of German resistance to Hitler. And Hitler personally ordered her executed for it.
How Shaving Works
health.howstuffworks.com/skin-care/men/shaving-tips/shaving.htm
Shaving is a ritual that a large percentage of men partake in on a daily basis. Find out how and why shaving is so important.