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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.
7 Health Problems for the Modern Age
health.howstuffworks.com/medicine/modern-technology/7-health-problems-for-the-modern-age.htm
While your iPod may bring you hours of enjoyment, it could also cause health problems. Read our list of seven health problems for the modern age.
What if Everybody in the U.S. Flushed the Toilet at the Same Time?
home.howstuffworks.com/home-improvement/plumbing/everybody-flushes-toilets.htm
No one knows for sure, but chances are, it would make a terrible mess.
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.
Michael Jordan
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Michael Jordan captured 10 NBA scoring crowns and six NBA titles during his legendary career. Learn more about the world's greatest basketball player.
Brussels Sprouts
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Brussels sprouts are small cabbage-like heads that sprout from a tall main stem. Learn how to grow and harvest brussels sprouts.
Benefits of Exercise
health.howstuffworks.com/wellness/diet-fitness/exercise/benefits-of-exercise.htm
Regular physical activity can improve heart health, strength, and endurance. Explore the many other mental and physical benefits of exercise.
Could your car get a computer virus?
auto.howstuffworks.com/car-computer-virus.htm
Could your car get a computer virus? Find out if your vehicle could be at risk of a computer virus attack at HowStuffWorks.
How KenKen Puzzles Work
entertainment.howstuffworks.com/puzzles/kenken-puzzles.htm
KenKen puzzles involve filling a number grid, with the added element of mathematical cages. Learn how KenKen puzzles work at HowStuffWorks.