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Is Chlorine Bleach? How to Use Chlorine-based Cleaning Products
science.howstuffworks.com/question189.htm
I recently used chlorine bleach to clean the siding on my house, and I was amazed at how well it worked! What is bleach? How does it remove stains? Is the chlorine in bleach the same as the chlorine in drinking water or in swimming pools? Is chlorine safe to use?
What Happens If You Eat Moldy Bread?
science.howstuffworks.com/science-vs-myth/what-if/what-if-eat-moldy-bread.htm
When it comes to eating certain questionable foods - like unrefrigerated potato salad - most of us know to stay far away. But what about moldy bread? If you cut the offending areas off, is it a risk worth taking or a ticking time bomb?
How Freeze-Drying Works
science.howstuffworks.com/innovation/edible-innovations/freeze-drying.htm
Remember "astronaut ice cream"? That was freeze-dried. You can find freeze-dried spaghetti and meatballs and even omelets. Find out what "freeze-dried" means and how such a state is achieved.
How Soil Lamps Work
science.howstuffworks.com/environmental/green-tech/sustainable/soil-lamp.htm
Soil lamps are discussed in this article from HowStuffWorks. Learn about soil lamps.
Will we soon be extinct?
science.howstuffworks.com/life/evolution/mass-extinction.htm
A mass extinction on Earth is long overdue, according to population ecologists. Find out what Earth's fossil record may be telling us about our future.
How Porta-Potties Work
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Using a portable toilet at an outdoor concert or festival might be disgusting. But it sure beats going in a field! Now, imagine if your job were to clean out those suckers.
How Nanowires Work
science.howstuffworks.com/nanowire.htm
Nanowires are incredibly thin structures that have an incredible length-to-width ratio. Learn about nanowires and how nanowires are created.
What is the origin of life on Earth?
science.howstuffworks.com/life/evolution/origin-of-life-on-earth.htm
What is the origin of life on Earth? Learn about theories of evolution and the origin of life on Earth at HowStuffWorks.
How Fossils Work
science.howstuffworks.com/environmental/earth/geology/fossil.htm
Fossils can tell us how life on Earth has evolved over time and also how the climate has changed. Find out what fossils are and how fossils formed.
Do we need biodegradable plastics?
science.howstuffworks.com/science-vs-myth/everyday-myths/do-we-need-biodegradable-plastics.htm
No all plastic is biodegradable. Could using more biodegradable plastic help our environment? Do we really need it? Find out if we really need biodegradable plastic with this article by HowStuffWorks.com.