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How do fish rise and sink in the water?
animals.howstuffworks.com/animal-facts/question629.htm
How do fish rise and sink in the water? With a little help from gravity and buoyancy. Find out your answer to this question at HowStuffWorks.com
How do I know if my car is airtight?
auto.howstuffworks.com/under-the-hood/diagnosing-car-problems/body/car-air-tight.htm
How do I know if my car is air tight? Visit HowStuffWorks to learn if your car is air tight.
How to Restore Your Car's Faded Black Trim
auto.howstuffworks.com/restore-black-trim.htm
Is your car's deep black trim now a dingy gray? You can change that with a little elbow grease and a few hours of your time.
Why Do Babies' Eyes Change Color?
health.howstuffworks.com/human-body/systems/eye/babies-eyes-change-color.htm
Nearly all newborns have some shade of blue eyes at birth. But after a few months, they change. What's going on?
How are shark pups born?
animals.howstuffworks.com/fish/sharks/shark-pup.htm
Shark pups can be born three different ways: live birth, hatching from an egg and a combination of both. Read more about shark pups and their birth.
How Plasma Displays Work
electronics.howstuffworks.com/plasma-display.htm
Flat-panel plasma displays are quickly surpassing bulky CRTs in terms of sales. Learn about plasma technology.
Why are objects in the side-view mirror closer than they appear?
"Objects in mirror are closer than they appear." That little line appears so often and in so many contexts, it's almost lost all meaning -- but why is it there, and what does physics have to do with it?
Why are dental procedures so expensive?
health.howstuffworks.com/wellness/oral-care/procedures/why-are-dental-procedures-expensive.htm
Dental procedures are expensive for a variety of reasons. Learn why dental procedures are so expensive.
Is Planet Nine Actually a Primordial Black Hole?
science.howstuffworks.com/planet-nine-black-hole.htm
As the search for Planet Nine wears on, researchers are pondering what else object could be. HowStuffWorks asks the question and talks to an expert.
Solar Urticaria Overview
health.howstuffworks.com/skin-care/problems/medical/solar-urticaria.htm
Solar urticaria is a rare skin reaction caused by exposure to certain ultraviolet light. Learn more about solar urticaria at HowStuffWorks.