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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.
10 Overrated Life Decisions
money.howstuffworks.com/10-overrated-life-decisions.htm
what are 10 overrated life decisions? Learn more about 10 overrated life decisions at HowStuffWorks.
10 Deadly Agents the CDC Works With
health.howstuffworks.com/diseases-conditions/infectious/10-deadly-agents-the-cdc-works-with.htm
The CDC routinely handles deadly agents that can cause disease and infection. View 10 of these public health enemies to learn more.
How Hurricanes Work
science.howstuffworks.com/nature/natural-disasters/hurricane.htm
How often have you watched a weather forecaster point to a spiral-shaped cloudy mass with a sense of dread and fascination? What fuels these ferocious storms?
What Is Tai Chi?
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Tai chi is a form of soft self-defense that applies the principles of Taoism. Learn more about tai chi and how it can improve your heath.
Did the Great Chicago Fire really start with Mrs. O'Leary's cow?
history.howstuffworks.com/history-vs-myth/chicago-fire-cow.htm
Legend has it that the Great Chicago Fire started with Mrs. O'Leary's cow and a lantern in the shed. Did a cow really start the Great Chicago Fire?
How to Relieve Stress in Your Daily Life
health.howstuffworks.com/wellness/stress-management/how-to-relieve-stress-in-daily-life.htm
Stress relievers range from brisk exercise to calming meditation. Learn the signs of stress in daily life and see what you can do to relieve stress.
Ultimate Guide to Southern Food
recipes.howstuffworks.com/southern-food.htm
Southern food is the most unique of American cuisines. Learn all about Southern food and its roots at HowStuffWorks.
What's the safest way to brake when I'm towing?
Braking while towing can be a challenge. Check out HowStuffWorks for tips on breaking while towing.
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.