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How Smell Works
health.howstuffworks.com/mental-health/human-nature/perception/smell.htm
Smell is often our first response to dangers, such as fire and gas leaks. Learn more about the sense of smell and find out how the sense of smell works.
Is This the Name of a Real or Fake Organ?
play.howstuffworks.com/quiz/is-this-the-name-of-a-real-or-fake-organ
It is commonly accepted that there are 78 organs in the human body. Can you tell the difference between a real organ and a made-up one? Take this quiz to prove your organ knowledge!
How do boogers form in your nose?
health.howstuffworks.com/human-body/systems/nose-throat/boogers-form-in-nose.htm
Boogers form in your nose for a very specific purpose — and it's not to gross out other people. Find out how boogers form at HowStuffWorks.
Do tongue tattoos affect your sense of taste?
people.howstuffworks.com/culture-traditions/body-art/do-tongue-tattoos-affect-taste.htm
Yes, your tongue can be tattooed. Once you've digested that, find out if your food still tastes the same with an inked tongue at HowStuffWorks.
When You Smell Poop Are You Actually Inhaling Poop Molecules?
health.howstuffworks.com/human-body/systems/digestive/smell-poop-inhaling-poop-molecules.htm
Smelling fecal matter is gross enough, so the possibility that tiny bits of poop are actually getting into your nose is outright disgusting. But should you be worried?
How Do Oysters Make Pearls?
animals.howstuffworks.com/marine-life/question630.htm
How do oysters make pearls, and what is the difference between natural and cultured pearls?
Why do people have red eyes in flash photographs?
electronics.howstuffworks.com/question51.htm
Why do people have red eyes in some flash photographs? Take a look at the science behind why red eyes happen.