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How did ancient civilizations use sundials to tell time?
electronics.howstuffworks.com/gadgets/clocks-watches/ancient-civilizations-use-sundials.htm
Ancient sundials first popped up in Egypt around 1500 B.C. Learn how these sundials came about and what they were used for all those centuries ago.
What happens to chimps used in medical research?
animals.howstuffworks.com/mammals/chimpanzee-research.htm
Chimpanzee research dates back to the 1920s with Robert Yerkes. Learn what happens in chimpanzee research and why some countries ban the practice.
What are the physical effects of stress?
health.howstuffworks.com/wellness/stress-management/physical-effects-of-stress.htm
The physical effects of stress go beyond what you might think. Headaches, diarrhea, backaches -- find out more about the physical effects of stress.
Inside 'Nim's Island'
entertainment.howstuffworks.com/nims-island.htm
Nim's Island is an adventure story about a girl who lives on a remote tropical island with her father and exotic pets. Learn about Nim's Island.
How Xeriscaping Works
home.howstuffworks.com/lawn-garden/professional-landscaping/xeriscaping.htm
Xeriscaping can help keep a lush, green landscape from succumbing to drought and turning into a yellow wasteland. Learn about Xeriscaping.
How ATMs Work
money.howstuffworks.com/personal-finance/banking/atm.htm
''You can stop at an ATM, enter a PIN and leave with cash. Learn about the machines that give you money and the network that approves the transactions!''
1955 Lancia Florida
auto.howstuffworks.com/1955-lancia-florida.htm
Created in Italy, the 1955 Lancia Florida was a completely new kind of car. See pictures and learn about the Florida's design and lasting impact.
Easy Fitness Activities for Kids
lifestyle.howstuffworks.com/crafts/home-crafts/easy-fitness-activities-for-kids.htm
Easy fitness activities for kids are a fun challenge to get kids in shape. Get great ideas for easy fitness activities for kids at HowStuffWorks.
1988 Renault Megane Concept Car
auto.howstuffworks.com/1988-renault-megane-concept-car.htm
The 1988 Renault Megane concept car had European style and attitude. See pictures and a profile of the innovative 1988 Renault Megane concept car.
What is gray water, and can it solve the global water crisis?
home.howstuffworks.com/green-living/gray-water.htm
Gray water is all of the wastewater that comes from your washer, sinks, bathtub or shower. Learn about gray water and how gray water can be recycled.