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How Fuel Cells Work
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/fuel-cell.htm
A hydrogen fuel cell is an electrochemical energy conversion device. Learn why governments are pouring money into fuel cell research.
10 Innovations in Water Purification
science.howstuffworks.com/environmental/green-tech/sustainable/10-innovations-water-purification.htm
As far back as 1500 B.C.E., people were trying to purify water to make it drinkable. And we're still at it. Today inventors use tools as simple as clay and as sophisticated as carbon nanotubes to bring clean water to the world.
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.
5 Most Coveted Offshore Petroleum Reserves
science.howstuffworks.com/environmental/energy/5-offshore-petroleum-reserves.htm
Untapped petroleum reserves dot the globe. Find out where these untapped petroleum reserves still exist and why oil companies covet them heavily.
Is your drywall making you sick?
home.howstuffworks.com/home-improvement/home-diy/projects/chinese-drywall.htm
Is your drywall making you sick? Check out this article from HowStuffWorks about Chinese drywall to learn if your drywall is making you sick.
How Organic Food Works
science.howstuffworks.com/environmental/green-science/organic-food.htm
Organic food promises freedom from synthetic ingredients. Find out what organic food is, how organic farming works, what the pros and cons are, and why you should care.
Alpha, Beta or Gamma? It's the Nuclear Radiation Quiz
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We live in a radioactive world, and we're not just talking about the times when a nuclear plant is melting down and scaring the heck out of us. How much do you know about the ABGs (or alphas, betas and gammas) of nuclear radiation?
Should cats be kept exclusively indoors?
animals.howstuffworks.com/pets/should-cats-be-kept-exclusively-indoors.htm
Are you wondering if cats should be kept exclusively indoors? Check out this article to learn if cats should be kept exclusively indoors.
What does the check engine light usually mean?
auto.howstuffworks.com/under-the-hood/diagnosing-car-problems/mechanical/check-engine-light.htm
What does the check engine light usually mean? Visit HowStuffWorks to learn what the check engine light usually means.
What are the benefits of hydrogen-powered vehicles?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/hydrogen-vehicle-benefit.htm
As new fuel sources are developed, some people wonder about hydrogen car benefits. Learn about some of the hydrogen car benefits in this article.