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Your search for "pollution" returned 269 results
Snake Plant: A Great Plant for People Who Aren't Great With Plants
science.howstuffworks.com/life/botany/snake-plant.htm
Snake plants are attractive and virtually ironclad houseplants, almost impossible to kill, though some of the hype about them acting as air purifying filters has been overblown.
Where Is the Coldest City in the World?
science.howstuffworks.com/nature/climate-weather/atmospheric/coldest-city-in-the-world.htm
If you're looking for a place to live and you don't mind some seriously frosty winters, you have plenty of options to choose from. But some places endure more than a few blustery months, and no parka or insulated mittens will feel like enough. Those are contenders for the title of coldest city in the world.
What Are the Nitrogen Cycle Steps?
science.howstuffworks.com/life/biology-fields/nitrogen-cycle.htm
The nitrogen cycle is the system by which nitrogen is converted into different chemical forms, some usable to humans and animals and some not, as it circulates among the atmosphere, the land and the oceans.
Scientists Develop Quick-Growing Coral Method to Save Dying Reefs
Coral grows faster when it's cut or broken and scientists are taking advantage of that to replenish depleted reefs.
Is there any rhyme or reason to how U.S. interstate highways are numbered?
science.howstuffworks.com/engineering/civil/question656.htm
Is there any rhyme or reason to how U.S. interstate highways are numbered?
How Organic Food Works
science.howstuffworks.com/environmental/green-science/organic-food.htm
Organic food promises freedom from synthetic ingredients. Find out what organic food is, how organic farming works, what the pros and cons are, and why you should care.
How Sustainable Communities Work
science.howstuffworks.com/environmental/green-science/sustainable-community.htm
Sustainable communities strive to lower their impact on the environment without lowering the quality of life. Learn how sustainable communities work.
10 Oldest Known Diseases
science.howstuffworks.com/life/cellular-microscopic/10-oldest-known-diseases.htm
You won't find some of history's biggest killers on this list, but you will find at least one disease that will make you want to bite something and another that might make you break out in "elevated pustules." Curious yet?
How Dust Storms Work
science.howstuffworks.com/nature/climate-weather/storms/dust-storm.htm
Though they're outranked by other, more dangerous natural phenomena, dust storms can still do serious damage to life and property. What causes these massive storms?
Could a single volcanic eruption destroy all life on Earth?
science.howstuffworks.com/nature/natural-disasters/single-volcanic-eruption-destroy-all-life.htm
The question about supervolcanoes, it turns out, isn't whether one could destroy all life on Earth. It's when will it do it again. Wait, what?