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Endoplasmic Reticulum: Rough ER vs. Smooth ER
science.howstuffworks.com/life/cellular-microscopic/endoplasmic-reticulum.htm
The part of your cells that helps you recover from a hangover is shaped like a maze of tubes and is made of two parts - the rough endoplasmic reticulum and the smooth endoplasmic reticulum.
How well do you know zoology?
play.howstuffworks.com/quiz/how-well-do-you-know-zoology
Animals ... we love 'em! But there's a lot more to the animal kingdom than YouTube videos of doggies and kitties. Test your knowledge of zoology with our quiz!
How Fluorescent Lamps Work
home.howstuffworks.com/fluorescent-lamp.htm
You see fluorescent lighting all over the place -- in offices, homes, stores, dressing rooms. But there's a certain mystery to it. Find out what's going on inside these glowing tubes!
How does a Galileo thermometer work?
science.howstuffworks.com/how-does-a-galileo-thermometer-work.htm
One of my co-workers has an interesting thermometer on his desk. It is a glass tube with different-colored floating things in it. What kind of thermometer is this, and how does it work?
The Ultimate MRI Quiz
play.howstuffworks.com/quiz/mri-quiz
An MRI machine is more than just a big, claustrophobia-inducing tube. How much do you know about what's going on inside -- or what's going on inside your body while you're in there?
How Human Reproduction Works
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/conception/human-reproduction.htm
Reproduction is a basic drive in all animals, including humans. Think you know what human reproduction is all about? Discover the biology of sex.
Firecracker Plant
home.howstuffworks.com/firecracker-plant.htm
Firecracker plant, with red tube-like flowers, needs direct light and at least 6 inches of surrounding space. Start your indoor garden with firecracker plants, which look great spilling out of hanging or boxed planters.
What Does a Radiator Do?
auto.howstuffworks.com/how-does-radiator-cap-work.htm
The radiator of your car is composed of tubes that carry the coolant fluid, a protective cap that's actually a pressure valve, and a tank on each side to catch the coolant overflow. Learn more about how a radiator cap works from this article.
How to Install a Fluorescent Light
home.howstuffworks.com/home-improvement/repair/how-to-install-a-fluorescent-lamp.htm
Consider replacing some of your old incandescent fixtures with fluorescent lamps. Fluorescent light provides shadow-free illumination, but, best of all, fluorescent bulbs are more efficient than incandescent bulbs. Learn how to install a fluorescent fixture.
How does a speedometer in an airplane work?
science.howstuffworks.com/transport/flight/modern/question597.htm
How does a speedometer in an airplane work?