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Why do you have to turn your phone on at airport security?
Going through airport security is the worst part of flying for most people. Now you may be asked to turn your cell phone on in the security line. Why do you have to do that? And does it really keep us safe?
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.
Who Created the First Macaroni and Cheese?
recipes.howstuffworks.com/menus/who-invented-macaroni-and-cheese.htm
Are you wondering who invented macaroni and cheese? Check out this article and learn who invented macaroni and cheese and more about this food.
Repelling Mosquitoes Naturally
health.howstuffworks.com/wellness/preventive-care/repelling-mosquitoes.htm
Repelling mosquitoes naturally is just as effective as chemical repellants. Learn about strategies for repelling mosquitoes.
The Nutty Story of Red Pistachios and the Iran Hostage CrisisÂÂ
recipes.howstuffworks.com/red-pistachios.htm
There was a day when you ate pistachios with the understanding that you'd come away with red fingers and red mouth. What happened to red pistachios?
Do loud pipes really save lives?
auto.howstuffworks.com/do-loud-pipes-save-lives.htm
Learn if loud pipes really save lives at HowStuffWorks.
How much dirt do I eat in a year?
health.howstuffworks.com/wellness/food-nutrition/facts/how-much-dirt-eat-year.htm
How much dirt do I eat in a year? More than you might think. Can dirt help keep us healthy? Find out at HowStuffWorks.
A New Green Solution for Dyeing Blue Denim
science.howstuffworks.com/environmental/green-tech/sustainable/denim-dyeing.htm
From the chemicals that pollute and the massive use of water, the traditional method of dyeing blue jeans is an environmental disaster. Nanoparticles made from wood pulp might be the answer to the problem.
6 Ways to Clean White Baseball Pants That Actually Work
Let's face it. Baseball is a dirty game. Sliding into home leaves quite a stain on those pristine white pants. But nobody has to know if you follow these six ideas.
Don't Toss Those Cardboard Tubes! 10 Ways to Reuse Them
home.howstuffworks.com/green-living/reuse-cardboard-tubes.htm
Don't trash your paper towel, toilet paper and wrapping paper tubes. Give them a second life with one of these 10 hacks instead.