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How Geothermal Energy Works
science.howstuffworks.com/environmental/energy/geothermal-energy.htm
Geothermal energy is clean, abundant and renewable. Learn about geothermal energy, geothermal heat pumps and geothermal power plants.
How the iQ Car Works
auto.howstuffworks.com/iq-car.htm
The iQ Car is a new four-seat passenger concept vehicle that was designed by Toyota. Find out what the iQ Car is and learn about iQ Car features.
Rhubarb: The Poisonous Veggie You Can Totally Eat
home.howstuffworks.com/rhubarb.htm
What vegetable is often mistaken for a fruit, has poisonous leaves but is still edible and is often harvested by candlelight? Yep, that would be rhubarb.
5 Foods That Can Change the Way You Smell
health.howstuffworks.com/skin-care/information/nutrition/5-foods-change-smell.htm
Foods can change the way you smell -- gum and breath mints won't help. Take a look at five foods that change your smell.
How Grow Houses Work
science.howstuffworks.com/life/botany/grow-house.htm
Grow houses are homes devoted to growing marijuana. Learn why grow houses may be in your neighborhood, especially if you live in Cali or Vancouver.
How Toilet Paper Works
home.howstuffworks.com/toilet-paper.htm
It's an absorbing topic: Where did toilet paper come from, how is it made and why did it take so long for people to start using it?
How Aquaculture Works
animals.howstuffworks.com/animal-facts/aquaculture.htm
Aquaculture provides food and replenishes other scarce resources. Learn how aquaculture works and how aquaculture industry supplies the goods we use.
How Solar Water Heaters Work
science.howstuffworks.com/environmental/green-tech/sustainable/solar-water-heater.htm
Solar water heaters could help cut your utility bills. Visit HowStuffWorks to learn about solar water heaters.
How Archaeology Works
science.howstuffworks.com/environmental/earth/archaeology/archaeology.htm
Archaeology is the study of ancient civilizations and human remains, such as buildings, art or trash. Learn about archaeology and archaeologists.
Evolution by Natural Selection: Examples and Effects of Adaptation
science.howstuffworks.com/life/evolution/natural-selection.htm
Natural selection is the idea that organisms that are best suited to survive pass their traits down. Is it true that only the strong survive?