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Frequency Formula Basics: 2 Ways to Calculate Frequency
science.howstuffworks.com/math-concepts/frequency-formula.htm
Frequency is a fundamental concept when you're talking about waves, whether that means electromagnetic waves like radio waves and visible light, or mechanical vibrations like sound waves.
What is The Difference Between the Skin On Your Face and Your Body?
Skin on your face and skin on your body are very different. Learn how they vary and the best ways to get healthy skin on your face and your body
Eating for Eye Health
health.howstuffworks.com/wellness/food-nutrition/healthy-eating/eating-for-eye-health.htm
Eating for eye health can help boost your vision. Learn about the best foods and vitamins so you can start eating for eye health.
Something Produced a Surprising Spike of Methane on Mars
science.howstuffworks.com/methane-spike-mars.htm
Of all the discoveries made on Mars, the detection of methane blowing in the air is probably the most compelling. HowStuffWorks investigates the Mars methane mystery.
Natural Skin Care: 5 Important Herbs in Face Wash
If you love natural skin care products, these herbs â€" lavender, calendula, witch hazel, neem oil and feverfew â€" can help you get glowing skin.
How Space Farming Works
science.howstuffworks.com/space-farming.htm
Space farming is the process of cultivating plants in space. Learn why space farming is important and how space farming will affect life on Earth
What Do Forensic Scientists Do?
science.howstuffworks.com/forensic-lab-technique.htm
Forensic lab techniques help investigators solve murders, hit-and-runs, arson cases and drug busts. Learn about forensic lab techniques and safety.
Spray Tanning Basics
health.howstuffworks.com/skin-care/beauty/sun-care/spray-tanning.htm
Spray tanning can be a healthier option for deepening your skin color. See how spray tanning works and learn if spray tanning is safe.
How Water Towers Work
people.howstuffworks.com/water.htm
You've probably noticed that there are power outages all the time -- but water outages? Much less common... How does the system work, and work so well? It's simpler than you may think. Find out how the design and location of water towers keep the water flowing.
How can you print without ink?
computer.howstuffworks.com/print-without-ink.htm
Is it possible to print without ink? Companies are working on new technology that would enable inkless printing. Learn how to print without ink.