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How the Ancient Land Blob Gondwana Became Today's Continents
science.howstuffworks.com/environmental/earth/geology/gondwana.htm
Gondwana was a humongous landmass that persisted for 300 million years before it began to break up, forming all the continents in the modern Southern Hemisphere.
Wind Energy Quiz
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Feel that wind? Fwooooshhhh!!! Fwwwooooshhh!! Quick, somebody put up a wind turbine. Test your knowledge with this quiz.
Turning Air Pollution Into Ink
science.howstuffworks.com/innovation/new-inventions/air-pollution-into-ink.htm
HowStuffWorks explores AIR-INK, the result of a process that converts air pollution into ink.
Can we make tailpipes that capture CO2?
auto.howstuffworks.com/tailpipe-capture-co2.htm
Tailpipes that capture CO2 would make a dent in humans' contributions to greenhouse gas emissions. Learn about tailpipes that capture CO2 and if they exist.
What's Oil Shale?
science.howstuffworks.com/environmental/energy/oil-shale.htm
Oil shale is just one unconventional oil source that's being researched. Learn how oil shale could save the day when - and if - we hit peak oil in the U.S.
How the Ice Age Worked
history.howstuffworks.com/historical-events/ice-age.htm
An ice age is a period of cooling, marked by the presence of glaciers and ice sheets. Learn how an ice age works and if we're in an ice age right now.
10 Edible Biofuels
auto.howstuffworks.com/fuel-efficiency/biofuels/10-edible-biofuels.htm
What are some of the most common edible biofuels? Check out 10 edible biofuels at HowStuffWorks.
What's the difference between archaeology and grave robbing?
science.howstuffworks.com/environmental/earth/archaeology/archaeology-grave-robbing.htm
Archaeology and grave robbing can sometimes be confused with each other. Learn about archaeology and grave robbing in this article.
What crops can be used for biomass energy?
auto.howstuffworks.com/fuel-efficiency/biofuels/crops-used-biomass-energy.htm
What crops can be used for biomass energy? Keep reading to learn about crops that can be used for biomass energy.
What percentage of air pollution is due to cars?
auto.howstuffworks.com/percentage-of-air-pollution-due-to-cars.htm
What percentage of air pollution is due to cars? Visit HowStuffWorks to learn what percentage of air pollution is due to cars.