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Your search for "safe" returned 4,263 results
How Swine Flu Works
science.howstuffworks.com/life/cellular-microscopic/swine-flu.htm
Swine flu has been a growing concern. Take a look at the history of swine flu and swine flu symptoms, treatment and swine flu prevention.
How Napalm Works
science.howstuffworks.com/napalm.htm
Napalm is a fiery tactical weapon that can stick to targets like no other incendiary weapon. Learn how napalm is used in war and who has used it.
How Plasma Converters Work
science.howstuffworks.com/environmental/energy/plasma-converter.htm
Plasma converters generate electricity for our homes by burning trash. Learn about plasma converters and see pictures of plasma converters plants.
How Blood Works
health.howstuffworks.com/human-body/systems/circulatory/blood.htm
Blood is the most commonly tested part of the body, and it is truly the river of life. Learn about red and white blood cells, lymphocytes, blood tests, blood types and blood donation.
How Food Works
science.howstuffworks.com/innovation/edible-innovations/food.htm
Ever wonder what, exactly, you are putting in your body when you eat? Would you like to know the real difference between a "fat" and a "carb"? Learn all about food and how your body uses it!
Indoor Crafts for Kids
lifestyle.howstuffworks.com/crafts/seasonal/indoor-crafts.htm
Indoor crafts are projects for creative kids when fun under the sun isn't an option. Let your imagination set the scene -- create an indoor craft.
How Homelessness Works
money.howstuffworks.com/homeless.htm
Homelessness is an unfortunate situation that affects people who cannot afford a home. Learn about homelessness and how you can help the homeless.
How Search-and-rescue Dogs Work
animals.howstuffworks.com/animal-facts/sar-dog.htm
Search-and-rescue dogs are called upon to work after natural disasters and mass casualty events to locate missing people. So how do they do their work?
How Amazon Works
money.howstuffworks.com/amazon.htm
Amazon.com's story is an e-commerce dream. Find out what makes Amazon different and how its technology infrastructure supports its sales approach.
How to Maintain a Furnace
home.howstuffworks.com/home-improvement/heating-and-cooling/how-to-maintain-a-furnace.htm
Heating systems are usually trouble-free and easy to maintain. Efficient operation is a function of good maintenance. Learn how to maintain a furnace.