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Something Produced a Surprising Spike of Methane on Mars
science.howstuffworks.com/methane-spike-mars.htm
Of all the discoveries made on Mars, the detection of methane blowing in the air is probably the most compelling. HowStuffWorks investigates the Mars methane mystery.
What Would a Yellowstone Eruption Mean for North America?
science.howstuffworks.com/science-vs-myth/what-if/what-if-yellowstone-supervolcano-erupted.htm
Welcome to Yellowstone, a natural wonderland that's home to stunning vistas, vibrant plant and animal life ... and a massive and potentially devastating supervolcano.
Which Is More Environmentally Friendly: Paper or Plastic?
science.howstuffworks.com/environmental/green-science/paper-plastic.htm
People wonder if paper or plastic bags are more environmentally friendly. Get the skinny on whether paper or plastic bags are greener.
How will plug-in hybrids affect the environment?
auto.howstuffworks.com/car-models/plug-in-hybrids/plug-in-hybrids-affect-the-environment.htm
How will plug-in hybrids affect the environment? Learn how plug-in hybrids could affect the environment at HowStuffWorks.
What If the Oceans Disappeared?
science.howstuffworks.com/science-vs-myth/what-if/what-if-oceans-disappeared.htm
People would look underground for water and maybe just stay there to escape the fiery hell on Earth's surface. But could humanity really last without the seas?
Chernobyl's Elephant's Foot Is a Toxic Mass of Corium
science.howstuffworks.com/chernobyl-elephants-foot.htm
The lava-like material that formed after the Chernobyl nuclear disaster is a deadly example of corium, a hazardous material created only after core meltdowns. Five minutes next to it can kill a human.
Can I go without a refrigerator?
home.howstuffworks.com/go-without-refrigerator.htm
Trying to go without a refrigerator is explored in this article from HowStuffWorks. Learn about going without a refrigerator.
Top 5 Green Robots
science.howstuffworks.com/environmental/green-tech/sustainable/5-green-robots.htm
There's nothing particularly organic about a robot, even if you dress it in hemp and fuel it with alternative energy. But these five can help our planet one mechanical movement at a time.
What is a synfuel?
auto.howstuffworks.com/fuel-efficiency/biofuels/synfuel.htm
What is a synfuel? How could synthetic fuels mitigate the energy crisis? Read about synfuels at HowStuffWorks.
How Iron and Steel Work
science.howstuffworks.com/iron.htm
The refining of iron ore is one of the most historically significant achievements of all time. Find out how iron gets turned into steel and what it's used for.