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How Spacewalks Work
science.howstuffworks.com/spacewalk.htm
When astronauts talk moonwalking, they don't mean the Michael Jackson dance move. Spacewalks take an entire day of preparation -- and a 240-pound space suit.
How a Symbiotic Relationship Works
science.howstuffworks.com/life/evolution/symbiosis.htm
Symbiosis can be mutually beneficial, helping two creatures survive in a hostile environment. Learn about the different forms of symbiosis.
How Ocean Currents Work
science.howstuffworks.com/environmental/earth/oceanography/ocean-current.htm
Ocean currents may be driven by tides, winds or differences in density. Learn how ocean currents affect marine transportation and nutrient cycling.
How the Ice Age Worked
history.howstuffworks.com/historical-events/ice-age.htm
An ice age is a period of cooling, marked by the presence of glaciers and ice sheets. Learn how an ice age works and if we're in an ice age right now.
How Web Operating Systems Work
computer.howstuffworks.com/web-operating-system.htm
Web operating systems are virtual operating systems that run in your Web browser. Learn more about Web operating systems at HowStuffWorks.
How Space Food Works
science.howstuffworks.com/space-food.htm
Space food for astronauts has come a long way since the flavorless paste that came in tubes. Learn about the development of space food.
MSM: What You Need to Know
health.howstuffworks.com/wellness/natural-medicine/alternative/msm.htm
MSM can be used to treat many ailments and illnesses. Learn all about MSM and other alternative medicines at HowStuffWorks.
How Automotive Assembly Lines Work
auto.howstuffworks.com/under-the-hood/auto-manufacturing/automotive-production-line.htm
There was a time when all cars were entirely hand-built - assembled individually until each one was complete and then it was on to the next one. Automotive assembly lines changed that forever.
What is the history of stock car racing?
auto.howstuffworks.com/auto-racing/nascar/history/history-of-stock-car-racing.htm
The history of stock car racing is quite fascinating. Learn more about the history of stock car caring at HowStuffWorks.
How can some of the world's oldest people also lead unhealthy lives?
health.howstuffworks.com/wellness/food-nutrition/diet-aging/oldest-people-unhealthy.htm
Some of the oldest people have oddly lead unhealthy lives. Learn why some people can smoke until they are 100 and how the oldest people get so old.