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Delivering the Mail to Your Home Is Way More Complex Than You Might Think
people.howstuffworks.com/when-postal-carrier-delivers-mail.htm
Hundreds of factors determine a mail carrier's route. Learn about some of them at HowStuffWorks.
Sand Is in Such High Demand, People Are Stealing Tons of It
As the world becomes more urbanized, the demand for sand, a key ingredient of concrete, keeps growing. But there's only so much sand to go around.
Why Did It Take So Long to 'Discover' Planet Nine?
science.howstuffworks.com/discover-planet-nine.htm
A massive planet seems to have been lurking on the edge of our solar system for some time now. Learn more about the Ninth Planet at HowStuffWorks Now.
The Gullah Geechee Tradition of 'Haint Blue' Paint Keeps the Spirits Away
history.howstuffworks.com/history-vs-myth/haint-blue.htm
The Gullah Geechee people painted porch ceilings blue to trick haints into thinking their houses were surrounded by water, which a haint can't cross.
Why the Mint Julep Is the Official Drink of the Kentucky Derby
recipes.howstuffworks.com/mint-julep.htm
The mint julep is as synonymous with the Kentucky Derby as big hats and seersucker suits. But how did this drink wind up at the world's most famous horse race?
The Amazing Mantis Shrimp Punches Its Prey, Plus More Colorful Facts
animals.howstuffworks.com/marine-life/mantis-shrimp.htm
These brightly colored crustaceans can smash aquarium glass or quickly cut through a human finger, so whatever you do, keep your distance.
Göbekli Tepe: The Temple That Hints at What Humans Were Up to 11,000 Years Ago
history.howstuffworks.com/european-history/gobekli-tepe.htm
Göbekli Tepe is thought to be a possible archaeological bridge between nomadic hunter-gatherer societies and stable, settled agricultural communities that built temples and produced art.
How a Frisky Feline Made Aviation History
animals.howstuffworks.com/animal-facts/kiddo-the-cat.htm
Kiddo was his name and not only was he the first cat to attempt to cross the Atlantic in an airship, but he also did it as a stowaway.
The Secret South Carolina 'Monkey Farm' That Helped Develop the Polio Vaccine
history.howstuffworks.com/historical-events/south-carolina-monkey-farm-helped-defeat-polio.htm
A little-known research facility in South Carolina housed thousands of monkeys and was key to developing the polio vaccine.
The Cute Crested Gecko, Once Thought Extinct, Is Now Bred by the Thousands
animals.howstuffworks.com/pets/otherpets/crested-gecko.htm
These lizards love to climb and can thrive on a diet that doesn't include live insects.