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How Electronic Payment Works
money.howstuffworks.com/personal-finance/online-banking/electronic-payment.htm
If you've ever bought anything online, you're probably familiar with electronic payment. Find out more about electronic payment at HowStuffWorks.
How the Sun Works
science.howstuffworks.com/sun.htm
The sun warms our planet every day, provides the light by which we see and is necessary for life on Earth. Learn about the sun.
How E85 Ethanol Flex Fuel Works
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/how-e85-ethanol-flex-fuel-works.htm
Learn what E85 is and why some people believe this alternative fuel has the potential to reduce our nation's dependence on foreign oil.
5 Ways to Use Algae for Fuel
auto.howstuffworks.com/fuel-efficiency/biofuels/5-ways-use-algae-fuel.htm
Could we use algae for fuel? Keep reading to discover 5 Ways to Use Algae for Fuel.
How Sci-fi Doesn't Work
entertainment.howstuffworks.com/sci-fi.htm
Learn how sci-fi doesn't work in some popular movies and TV shows.
10 Technologies Used in Green Construction
What exactly is green construction technology? Visit HowStuffWorks and learn the 10 technologies used in green construction.
Deadly 1948 Donora Smog Launched the U.S. Clean Air Movement
A killer smog 70 years ago helped lead to the first federal air pollution laws.
How Fireplaces Work
home.howstuffworks.com/home-improvement/heating-and-cooling/fireplace.htm
Fireplaces are known for their warmth, but they can sometimes lose more heat than they provide. Learn about fireplaces at HowStuffWorks.
How Venus Flytraps Work
science.howstuffworks.com/life/botany/venus-flytrap.htm
Plants that eat other creatures? It sounds like a genetic experiment gone awry. But there's actually nothing unnatural about it; carnivorous plants have been around for millions of years.
Tropical Rainforest Guide: How Rainforests Work
science.howstuffworks.com/environmental/conservation/issues/rainforest.htm
Tropical rainforests are the most diverse ecosystems on Earth, and also the oldest. Today, tropical rainforests cover only 6 percent of the Earth's ground surface, but they are home to over half of the planet's plant and animal species.