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How have NASA space helmets changed optics?
science.howstuffworks.com/innovation/nasa-inventions/nasa-space-helmets-changed-optics.htm
NASA space helmets are nifty devices that allow astronauts to operate in the hostile environment of space, but did you know that the technology behind them has also directly benefitted eyeballs here on Earth? Learn more about NASA and optics.
Do airplanes routinely dump their fuel before landing?
science.howstuffworks.com/transport/flight/modern/planes-dump-fuel-before-landing.htm
Why would a pilot ever want to eject an airplane's fuel intentionally? And why would it happen during a flight? Although it sounds alarming, a fuel dump is a safe procedure.
How to Moisturize Your Elbows
health.howstuffworks.com/skin-care/moisturizing/basics/moisturize-elbows.htm
Want to know how to moisturize your elbows? Visit HowStuffWorks to learn how to moisturize your elbows.
Xanthomas Overview
health.howstuffworks.com/skin-care/problems/medical/xanthomas.htm
Xanthomas are skin lesions that are often a sign of cell dysfunction. Learn more about how xanthomas work at HowStuffWorks.
Which genetic factors affect skin?
health.howstuffworks.com/skin-care/information/health-factors/genetic-factors-affect-skin.htm
Which genetic factors affect skin? Visit HowStuffWorks to learn which genetic factors affect skin.
Is Insect Repellent Bad for Your Skin?
health.howstuffworks.com/skin-care/beauty/skin-and-lifestyle/insect-repellent-skin.htm
Insect repellent on skin -- is it safe? Take a look at what is in insect repellents and if it is safe to have insect repellent on skin.
Sepia Tone Photography: How To Do It
electronics.howstuffworks.com/cameras-photography/tips/how-to-do-sepia-photography.htm
Want to know how to do sepia photography? Visit HowStuffWorks to learn how to do sepia photography.
How does time management affect my health?
lifestyle.howstuffworks.com/family/parenting/parenting-tips/time-management-affect-health.htm
How does time management affect my health? Visit HowStuffWorks to learn how time management affects your health.
Why It Feels So Good To Be Scared
science.howstuffworks.com/life/inside-the-mind/emotions/why-love-to-be-scared.htm
It's already a scary world. Why do we seek to experience more fear?
Why Do We Have Leap Years?
science.howstuffworks.com/science-vs-myth/everyday-myths/leap-year.htm
Leap years only come around once every four years. So, why are they so rare and who decided we need them anyway?