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How Does Herd Immunity Keep a Country Safe From Diseases?
science.howstuffworks.com/life/cellular-microscopic/herd-immunity.htm
Herd immunity relies on the principle of safety in numbers as far as vaccinations go. Find out why herd immunity is an important public health issue.
How Airports Work
science.howstuffworks.com/transport/flight/modern/airport.htm
Did you know that airports were once known as "flying fields" because planes took off and landed in large fields? Journey through the hidden world of airports in this article, but without the stress, nail-biting and packages of peanuts.
A Guide to Supplements for Seniors
health.howstuffworks.com/wellness/food-nutrition/vitamin-supplements/supplements-seniors.htm
Supplements for seniors can help to control hormones and even protect against cancer. Learn about the pros and cons of supplements for seniors.
How Formula One Works
auto.howstuffworks.com/auto-racing/motorsports/formula-one.htm
Formula One is one of the most popular sports in the world. Learn about Formula One and find out what separates Formula One from other racing leagues.
Understanding Cognitive and Social Development in a Newborn
Understanding cognitive and social development in a newborn will allow you to promote the acquisition of new skills. Learn how your baby learns.
How Caterpillar Skid Steer Loaders & Multi Terrain Loaders Work
science.howstuffworks.com/transport/engines-equipment/skid-steer.htm
You know those loaders used in construction and landscaping that dig up and pick up EVERYTHING? Learn how these incredible machines work!
What Do Forensic Scientists Do?
science.howstuffworks.com/forensic-lab-technique.htm
Forensic lab techniques help investigators solve murders, hit-and-runs, arson cases and drug busts. Learn about forensic lab techniques and safety.
How Alternators Work
auto.howstuffworks.com/alternator.htm
The next time your car won't start and you're cursing the battery, you might want to blame the alternator, too. This coconut-sized car part works with the battery to generate power for your vehicle.
How King Arthur Worked
history.howstuffworks.com/historical-figures/king-arthur.htm
King Arthur was the hero who saved Britain during troubled times. Read about King Arthur's quests, the literary history and who he might have been.
How Butterfly Gardens Work
home.howstuffworks.com/gardening/garden-design/butterfly-garden.htm
Butterfly gardens can attract and conserve butterflies as habitat loss and pesticide use decrease their numbers. Learn all about butterfly gardens.