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10 Outrageous Experiments Conducted on Humans
Some truly bizarre and troubling things have been done through the ages in the quest for scientific knowledge. The 10 experiments on this list all made humans into lab rats.
How to Get Blood Out Of Sheets
home.howstuffworks.com/how-to-get-blood-out-of-sheets.htm
We'll show you how to get bloodstains out of sheets using items you have around the house, like soap, shampoo, ammonia and cool water.
How Slow Cookers Work
home.howstuffworks.com/slow-cooker.htm
If you crave a home-cooked meal, but don't have the time, a slow cooker may be just what you need. But how do slow cookers work?
How to Smooth Out Rough Skin on Your Face
health.howstuffworks.com/skin-care/moisturizing/basics/how-to-smooth-out-rough-skin-on-your-face.htm
Turn rough skin on your face to smooth skin with our healthy skin smoothing tricks. You'll never have to worry about rough skin again!
What does 900 MHz mean in a cordless phone?
electronics.howstuffworks.com/question320.htm
I've been looking at cordless phones and have noticed that this area has gotten fairly complicated! For example, what is the difference between 900 MHz and other systems?
Why Do Most Zippers Say "YKK" on the Pull-tab?
home.howstuffworks.com/home-improvement/household-hints-tips/cleaning-organizing/question469.htm
Zippers are found on so many products. But have you ever noticed that "YKK" is on the pull-tab of most zippers? Find out where these mysterious initials come from.
The Science Behind Your Cat's Catnip Craze
science.howstuffworks.com/life/botany/science-behind-cats-catnip-craze.htm
Researchers are studying the chemistry behind what makes cats go crazy for catnip. And whether or not the chemical compound could have medicinal benefits for treating diseases like cancer.
Why are barns usually painted red?
home.howstuffworks.com/question635.htm
Red barns are a common sight in rural parts of the country, but have you ever wondered why they're painted red? Learn about the purpose of red barns.
How Landmines Work
science.howstuffworks.com/landmine.htm
Landmines have killed or maimed over 1-million people since 1975. Find out how landmines work and what countries are doing to prevent landmine tragedies.
How are crystals made?
science.howstuffworks.com/environmental/earth/geology/how-are-crystals-made.htm
From the Hope diamond to the shiny bits in instant coffee, crystals have always held the power to fascinate us humans. Are they more than just a bunch of pretty facets?