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Is humid air heavier than dry air?
science.howstuffworks.com/nature/climate-weather/atmospheric/is-humid-air-heavier-than-dry-air.htm
If humid air is just air plus water, then it has to be heavier than dry air, right? Sure, if it was only a matter of simple addition, but molecular physics is a lot like a bouncer at a club: Nothing gets in unless something else goes out.
What does epinephrine do for anaphylaxis?
Do you know what epinephrine does for anaphylaxis? Find out what epinephrine does for anaphylaxis in this article from HowStuffWorks.
Your teen is wearing inappropriate clothes, how do you talk about this?
lifestyle.howstuffworks.com/family/parenting/tweens-teens/teen-inappropriate-clothes.htm
Your teen is wearing inappropriate clothes, how do you talk about this? Visit HowStuffWorks to learn what to do if your teen is wearing inappropriate clothes and how to talk to them.
How Steam Dishwashers Work
home.howstuffworks.com/steam-dishwasher.htm
The steam dishwasher is supposed to detach grime from dishes so that a pre-wash isn't necessary. Find out more about the steam dishwasher.
How Diabetes Affects the Kidneys
health.howstuffworks.com/diseases-conditions/diabetes/how-diabetes-affects-the-kidneys.htm
Diabetic kidney disease is a worry for any diabetes patient. Learn how diabetes affects your kidneys and how it can lead to kidney failure.
Top 5 George Westinghouse Inventions
science.howstuffworks.com/innovation/famous-inventors/5-george-westinghouse-inventions.htm
You may not know who George Westinghouse is, but you know his name. It's adorned everything from televisions to light bulbs. Young science buffs may have entered the competition that once bore his name. Here are five of Westinghouse's inventions.
How Automotive Warning Lights Work
auto.howstuffworks.com/under-the-hood/vehicle-maintenance/automotive-warning-lights.htm
Automotive warning lights signal a number of problems. Learn more about automotive warning lights at HowStuffWorks.
How Gas Masks Work
science.howstuffworks.com/gas-mask.htm
Gas masks are used to filter out harmful gas and particles from the air industrial workers breathe. Learn about gas masks and how gas masks are made.
Does a hush really pass over a crowded room 20 minutes after the hour?
science.howstuffworks.com/science-vs-myth/everyday-myths/hush-crowded-room.htm
You're talking with a group of people when, with no apparent warning, everyone stops talking. Is it just an awkward silence or a pregnant pause? Or is this silence something more?
What if we covered a city in a giant glass dome?
science.howstuffworks.com/engineering/structural/covered-city.htm
Domed cities would provide the same temperature year-round, no rain or snow, and the ability to go outside without worrying about a sunburn. Have they been tried before, and what about the people who enjoy their seasons?