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How the Iowa Stored Energy Park Will Work
science.howstuffworks.com/environmental/green-science/iowa-stored-energy-park.htm
The Iowa Stored Energy Park will use wind to generate electricity and will store unused wind underground. Learn about the Iowa Stored Energy Park.
Is spinach really a good source of iron or not?
science.howstuffworks.com/innovation/edible-innovations/spinach-good-source-of-iron.htm
Comic book character Popeye is synonymous with being strong thanks to all the iron in the spinach he eats. But lately, there's been some talk that spinach is not all that good a source of iron and, in fact, it got the claim by error.
What would it take to reverse global warming?
science.howstuffworks.com/environmental/green-science/reverse-global-warming.htm
To reverse global warming we would have to start by reducing our carbon emissions. Learn more about what it would take to reverse global warming.
Why Did the Russians Seal Up the Deepest Hole in the World?
science.howstuffworks.com/engineering/civil/kola-superdeep-borehole.htm
The Kola Superdeep Borehole in Russia is the deepest hole in the world. It's deeper than the Mariana Trench and deeper than Mt. Everest is tall. Why did the Russians dig this deep, and why did they stop?
How are Crayons and markers made?
science.howstuffworks.com/innovation/science-questions/question563.htm
Crayola crayons have nurtured childhood creativity and remained safely edible for over 100 years. Now learn their story- how they originated in the 19th century, how they've changed, and we'll even tell you how old that familiar label is.
Understanding the Ecological Niche: Why Species Stay Put
science.howstuffworks.com/life/evolution/ecological-niche.htm
An ecological niche is a place within an ecosystem that a specific plant or animal lives in. Learn about an ecological niche in this article.
What Did Abraham Lincoln Invent?
science.howstuffworks.com/innovation/famous-inventors/what-did-abraham-lincoln-invent.htm
Well before becoming the 16th president of the United States, the young Abraham Lincoln was known for his interest in engineering and mechanics. What patent does Lincoln hold, and was his invention ever made?
What are natural gas hydrates?
science.howstuffworks.com/environmental/energy/natural-gas-hydrates.htm
What are natural gas hydrates? Learn what natural gas hydrates are in this article.
Where is the Earth's carbon stored?
science.howstuffworks.com/environmental/green-science/earth-carbon-stored.htm
No one would blame you if you're sick of hearing about carbon. Every day it seems there are news stories about rising carbon levels, carbon emissions and even the search for new carbon-based life forms
Electronegativity Is Like an Atomic Tug-of-War
science.howstuffworks.com/electronegativity.htm
Electrons are attracted to some atoms more than others. If two atoms are of equal strength, the electrons will be equally shared. If one atom is stronger, the electrons will be pulled in that atom's direction.