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Oil Sands: Energy Evolution and Environmental Concerns
science.howstuffworks.com/environmental/green-science/oil-sands.htm
Oil sands are a mixture of clay, sand and water with a small amount of bitumen. Learn about oil sands, find out how energy intensive it is to refine oil sands.
5 Animals Whose Blood Isn't Red
animals.howstuffworks.com/animal-facts/5-animals-whose-blood-isnt-red.htm
Not all animals have red blood flowing through their veins. Meet some our blue-blooded, green-blooded and, yes, transparent-blooded fellow creatures.
The Baking Skills Quiz
play.howstuffworks.com/quiz/the-baking-skills-quiz
Do you rely on the old toothpick test to know when your baked goods are done? From creaming and folding to baking and frosting a perfectly moist and tasty cake, find out how good your baking skills really are.
Can You Be Allergic to Your City?
If you're moving from one city to another, pack some extra tissues because it's true: Seasonal allergies can flare up when you relocate and are exposed to new allergens.
What's the Difference Between Baking Soda and Baking Powder?
recipes.howstuffworks.com/food-science/baking-soda-baking-powder-difference.htm
Baking soda and baking powder are both leavening agents, but they work differently in batters and doughs. In a pinch, can you substitute one for the other?
ITER Nuclear Fusion Plant Is Halfway Finished
science.howstuffworks.com/iter-nuclear-fusion-plant-is-halfway-finished.htm
The International Thermonuclear Experimental Reactor plant aims to demonstrate that nuclear fusion could be a viable source of power in the future.
What Is Compost? How to Start Composting at Home
home.howstuffworks.com/composting.htm
Americans generate more than 200 million tons of trash each year. Want to put some of it to work? Try composting. It creates a natural fertilizer and can save valuable space in that landfill.
What if we lived on the moon?
science.howstuffworks.com/what-if-moon-colony.htm
It's safe to assume there won't be a moon colony any time soon. But it's still a tantalizing thought. But wouldn't it be cool to be able to live, vacation and work on the moon?
How to Prevent Soot Buildup in Your Car's Engine
auto.howstuffworks.com/how-to-prevent-soot-buildup-in-your-cars-engine.htm
How are engine friction and gas mileage related? Learn how to prevent soot buildup in your car's engine at HowStuffWorks.
What happens when pregnant women smoke?
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/issues/question551.htm
Pregnancy and smoking should never be mixed because of the harm it can cause to the developing baby. Learn more about pregnancy and smoking.