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What's the difference between a recession and a depression?
money.howstuffworks.com/recession-and-depression.htm
Depression and recession are often used interchangeably, but there's a difference between them. Learn the economic cues that signal them.
How Atomic Clocks Work
science.howstuffworks.com/atomic-clock.htm
When the power goes out and is later restored, how do you know what time to set your clocks to? Have you ever wondered how time is regulated? Learn how scientists determine exact time.
What Is Gravity?
science.howstuffworks.com/environmental/earth/geophysics/question232.htm
Gravity is the force that causes two particles to pull towards each other. Learn about gravity and find out how Newton and Einstein explain gravity.
How to Choose a Health Insurance Plan
health.howstuffworks.com/health-insurance/choose-insurance-plan.htm
A health insurance plan that fits your particular needs is not always easy to find. Find out how to choose a health insurance plan that is right for you.
Will robots get married?
science.howstuffworks.com/robot-wedding.htm
Robot weddings between a human and a robot could be possible by the year 2050. Learn about these robot weddings and the ethics of robot marriages.
1950s Willys Concept Cars
auto.howstuffworks.com/1950s-willys-concept-cars.htm
The 1950s Willys concept cars ranged from sharp to dowdy, but their future was in South America. See pictures and a profile of 1950s Willys concept cars.
Science Projects for Kids: Density and Volume
lifestyle.howstuffworks.com/crafts/science-projects/science-projects-for-kids-density-and-volume.htm
In science projects for kids: density and volume, learn a lot about your world by performing your own experiments. Get started with these activities.
Jupiter: Anatomy of a Gas Giant
science.howstuffworks.com/46003-jupiter-explained.htm
Jupiter is the largest planet in the solar system. Big as this gas giant is though, next to the sun, it's still small.
How AMBER Alert Works
people.howstuffworks.com/amber-alert.htm
A child being kidnapped is a parent's worst nightmare. Learn how the AMBER Alert system can help return children safely.
How Is the National Guard Different from the U.S. Army?
science.howstuffworks.com/national-guard.htm
The National Guard serves many purposes and does many jobs for the United States. Learn what the National Guard is and how it differs from the Army.