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'Nightingale' Floors Served as Security Warning System in Ancient Japan
In 17th century Japan, wealthy citizens built homes with "nightingale floors" that squeaked, warning them of intruders. In fact, the floors squeaked louder when the steps got lighter.
Ancient Egyptian Pregnancy Test Survived Millennia Because It Worked
A strange, but surprisingly accurate, ancient Egyptian pregnancy test survived for millennia and was spread around Africa and Europe because it was just that effective.
Why do people avoid stepping on cracks?
people.howstuffworks.com/why-do-people-avoid-stepping-on-cracks.htm
Generations of pedestrians have avoided stepping on cracks to prevent their poor mothers' backs from being broken. Is there a reason for this practice?
Why do we have boogers?
health.howstuffworks.com/human-body/systems/nose-throat/why-do-have-boogers.htm
There's a good reason why you shouldn't pick your boogers. Find out why we have boogers at HowStuffWorks.
Brace Yourself: Bananas Are Berries, Strawberries Aren't
recipes.howstuffworks.com/bananas-are-berries.htm
If bananas are berries and strawberries aren't, what in the world is a berry anyway? HowStuffWorks digs.
Why don't women have Adam's apples?
health.howstuffworks.com/human-body/parts/why-dont-women-have-adams-apples.htm
Ever wonder why women don't have Adam's apples? The answer isn't as simple as you might think. Learn more about Adam's apples at HowStuffWorks.
Create Your Dream Harry Potter Life and We'll Sort You Into the Correct Hogwarts House
Ever wondered what it would be like to live in the Harry Potter universe? Well, tell us all of the things that you would like to do and we will sort you into a house!
Which Spanish Accent Do You Have?
play.howstuffworks.com/quiz/which-spanish-accent-do-you-have
Just like the English world has accents, so does the Spanish one. Are you ready to find out which one you have? Well, go ahead and get started on this quiz.
Biotic Factors vs. Abiotic Factors: Examples and Dependencies
science.howstuffworks.com/life/biology-fields/biotic-factors.htm
The natural world is a finely-tuned balance of biotic (living) and abiotic (nonliving) components that shape our environments. Various biotic factors directly affect processes like population growth, plant growth and nutrient cycling.
Why Are Bluebird Days Great for Skiers and Bad for Hunters?
science.howstuffworks.com/nature/climate-weather/atmospheric/bluebird-day.htm
Bluebirds symbolize optimism, happiness and hope for the future. For skiers, a "bluebird day" bodes well for a great day on the slopes, but hunters and anglers may as well stay home.