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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 Tiger Sharks Work
animals.howstuffworks.com/fish/sharks/tiger-shark.htm
Tiger sharks are named for the dark spots and stripes that mark juveniles. Learn how tiger sharks are equally as ferocious as tigers.
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.
Egg Donation Overview
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/fertility/egg-donation.htm
Egg donation is one option for women or couples with fertility problems. Learn about egg donation and find out what it takes to be an egg donor.
Why are people's brains different sizes?
science.howstuffworks.com/life/inside-the-mind/human-brain/brain-size.htm
Brain sizes in humans differ, but why? And who has the bigger brain, men or women? Let's take a look at human brain sizes and see if size matters.
What are green communities?
home.howstuffworks.com/home-improvement/construction/green/green-communities.htm
Green communities do everything they can to limit their footprint on the environment. Find out what you can do to make green communities.
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.
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 GM's E-Flex Propulsion System Works
auto.howstuffworks.com/fuel-efficiency/vehicles/gm-e-flex.htm
GM's E-Flex Propulsion System is a new platform that will power the highly anticipated Chevrolet Volt sedan. Learn about GM's E-Flex system.
How the Fisker Karma Works
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/fisker-karma.htm
The Fisker Karma is a luxury plug-in hybrid car. Get history, details and specs on the Fisker Karma in this article.