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Your search for "dark" returned 3,231 results
Why do I have black gums?
health.howstuffworks.com/wellness/oral-care/problems/black-gums.htm
Wondering why you have black gums? In many cases there is hope for treatment. Learn why you might have black gums.
Undearm Skin Discoloration
health.howstuffworks.com/skin-care/underarm-care/problems/underarm-skin-discoloration.htm
Underarm skin discoloration is a common problem. Visit HowStuffWorks to learn all about underarm skin discoloration.
How Does a Camera Obscura Device Work?
electronics.howstuffworks.com/question131.htm
A pinhole camera is the simplest camera possible. To get a better understanding of how they work, read more about camera obscura principles.
How To Remove Water Stains From Wood: 7 Simple Methods
Water stains on wood furniture and flooring can be frustrating, especially when they appear as unsightly white rings or dark stains. These blemishes often form when water seeps into the wood grain or the protective finish. The good news is that with a few simple techniques and household items, you can learn how to remove water stains from wood without causing damage.
How does a 'bionic eye' allow blind people to see?
health.howstuffworks.com/medicine/modern-technology/bionic-eye.htm
A company called Second Sight has received FDA approval to begin U.S. trials of a retinal implant system that gives blind people a limited degree of vision. Find out how the 'bionic eye' will work.
The Hidden Meanings of Lightsaber Colors: A Star Wars Fan's Guide
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/lightsaber-color-meanings.htm
What does your lightsaber color reveal about you? Join us on a journey through the meanings of lightsaber colors and discover your true connection to the Force.
Deep-sea Dragonfish Use a Bioluminescent Lure to Entice Prey
animals.howstuffworks.com/fish/deep-sea-dragonfish.htm
The deep-sea dragonfish is one of the most mysterious and fearsome creatures lurking in the ocean's depths. Known as a top predator in the deep sea, this fish has evolved incredible adaptations to survive in underwater areas that have never known so much as a glimpse of sunlight.
Are there ethnic differences in moisturizing?
health.howstuffworks.com/skin-care/moisturizing/tips/ethnic-differences-in-moisturizing.htm
Are there ethnic differences in moisturizing? Visit HowStuffWorks to learn if there are ethnic differences in moisturizing.
Are chocolate face masks bad for your skin?
Chocolate contains anti-aging antioxidants, but are chocolate face masks good for your skin? Learn about chocolate face masks and how to make one!
10 Crackpot Theories About Space
science.howstuffworks.com/10-crackpot-theories-space.htm
Our knowledge of space changes all the time as new discoveries are made. But some ideas about the universe have never really held water - including the one that everything is made of frozen H2O.