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What is the function of the fan in a refrigerator?
home.howstuffworks.com/question6.htm
You refrigerator is already cold, right? So then, why does it need a fan? Find out in this article.
How Home Thermostats Work
home.howstuffworks.com/home-thermostat.htm
Thermostats are in every household, but have you ever wondered how they work? Learn about thermostats and take a look inside a home thermostat.
How does the oxygen sensor in a car work?
auto.howstuffworks.com/question257.htm
How does the oxygen sensor in a car work?
How Lightning Works
science.howstuffworks.com/nature/natural-disasters/lightning.htm
Lightning is an incredible force of nature. And like many natural phenomena, lightning is not always what it seems. Go behind the mystery and learn what's really going on when lightning strikes.
Dry Skin: Stop Scratching This Winter
health.howstuffworks.com/skin-care/moisturizing/tips/dry-skin-stop-scratching-this-winter.htm
Dry skin can be caused by scratching due to the cold winter months. Learn more about keeping your skin hydrated during the winter months from Discovery Health.
Can airbags kill you?
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/can-airbags-kill-you.htm
Could airbags actually end up hurting or killing the people they're supposed to protect? Find out if airbags can kill you at HowStuffWorks.
Soviet 'Night Witches' Flew Bombing Missions Against the Nazis
history.howstuffworks.com/world-war-ii/soviet-night-witches-flew-bombing-missions-against-nazis.htm
HowStuffWorks looks at the Night Witches, an all-female unit of Soviet bomber pilots during World War II.
Petrichor: What Causes the Earthy Smell After Rain?
science.howstuffworks.com/nature/climate-weather/atmospheric/question479.htm
There's often a strong, quite pleasant, smell right after a rain shower. What accounts for petrichor, the 'smell of rain'?
How Smart Bombs Work
science.howstuffworks.com/smart-bomb.htm
Smart bombs use sensors and flight systems to find a specific target. Learn how smart bombs work and about smar-bomb technology such as the JDAM.
How to Troubleshoot a Hot Water and Steam Distribution System
Hot water and steam systems work similarly, and are still used in existing homes. Some routine maintenance is required to keep them working properly. Learn how to troubleshoot a hot water and steam system.