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How Cellulosic Ethanol Works
science.howstuffworks.com/environmental/green-tech/energy-production/cellulosic-ethanol.htm
Cellulosic ethanol could provide us with a new, green source of energy. Learn all about cellulosic ethanol at HowStuffWorks.
Cavities and Fillings 101
health.howstuffworks.com/wellness/oral-care/problems/cavity.htm
A fascinating article that describes how dental cavities and fillings work!
How Pain Works
science.howstuffworks.com/life/inside-the-mind/human-brain/pain.htm
Pain is the most common reason people seek medical attention. But what actually is pain? How do you sense it? Learn how pain and pain perception work.
How Salt Works
science.howstuffworks.com/innovation/edible-innovations/salt.htm
Not only do we need to consume salt, we also need it for a variety of nonfood uses. But if it's so important, why do health organizations recommend that we closely watch our intake? Apparently, there can be too much of a good thing. Learn what happens when we overload on salt or get too little of it.
How Olympic Torches Work
entertainment.howstuffworks.com/olympic-torch.htm
Every two years, the Olympic torch makes its way through a huge relay to the Opening Ceremony that kicks off the Olympic Games. Learn all about the torch's history, construction and transport.
10 New Uses for Old Inventions
science.howstuffworks.com/innovation/repurposed-inventions/10-new-uses-for-old-inventions.htm
You think you really know an invention until -- whammo -- someone comes up with a new use for it. Ointment that soothes tired cow teats and treats baldness? Who would have thought?
10 Anti-aging Foods
health.howstuffworks.com/wellness/aging/anti-aging-tips/10-anti-aging-foods.htm
Anti-aging foods can help counteract the aging process. See our list of the top 10 anti-aging foods to start eating healthier today.
How Bog Gardens Work
home.howstuffworks.com/bog-garden.htm
If you're a dedicated gardener which a penchant for exotic plants, it's possible to make a bog garden in your backyard. Learn about bog gardens.
Causes of Insomnia
health.howstuffworks.com/mental-health/sleep/disorders/causes-of-insomnia.htm
The causes of insomnia are as numerous as the forms it takes. Learn how to combat insomnia arising from medical conditions, jet lag and other causes.
10 Science Questions You Should Really Know How to Answer
science.howstuffworks.com/innovation/science-questions/10-science-questions-you-should-know.htm
Why is the sky blue? What's relativity all about? If you're thinking, "something to do with light and physics and stuff," we have some short explanations for you.