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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.

Why do tigers swim?

animals.howstuffworks.com/mammals/swimming-tigers.htm

Tigers swim in order to cool off, trap prey and relax. Learn where tigers swim, why other big cats don't join in the fun and who the heck Odin is.

What are 'high-efficiency' dryers?

home.howstuffworks.com/high-efficiency-dryers.htm

What are 'high-efficiency' dryers? Learn about high-efficiency dryers at TLC Home.

How Virgin Galactic Works

science.howstuffworks.com/virgin-galactic.htm

Virgin Galactic is the first commercial space tourism company, offering flights to space. Read about Virgin Galactic.

How do astronauts eat in space?

science.howstuffworks.com/astronauts-eat-in-space.htm

Astronauts eat in space with the help of special contraptions and carefully packaged food. Learn more about how astronauts eat in space.

Can installing a green roof save you money?

home.howstuffworks.com/green-living/green-roof-save-money.htm

Can installing a green roof save you money? Find out at HowStuffWorks.

What is it like to sleep in space?

science.howstuffworks.com/sleep-in-space.htm

What is it like to sleep in space? With 16 sunsets, getting shut-eye is a little harder than usual. Find out how astronauts doze in zero gravity.

Do people who sweat a lot eat more salty foods?

health.howstuffworks.com/wellness/men/sweating-odor/sweat-and-salty-food.htm

Do people who sweat a lot eat more salty foods? Visit Discovery Health to learn if people who sweat a lot eat more salty foods.

What is skin made of?

health.howstuffworks.com/skin-care/information/anatomy/what-is-skin-made-of.htm

What is the skin made of? Visit HowStuffWorks to learn about the various components that make up the skin.

Can Eating Cold Rice Kill You?

health.howstuffworks.com/food-nutrition/can-eating-cold-rice-kill.htm

Rice that hasn't been reheated can inflict serious damage on your body. HowStuffWorks looks into whether eating cold rice can kill you.

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