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How Blood Works
health.howstuffworks.com/human-body/systems/circulatory/blood.htm
Blood is the most commonly tested part of the body, and it is truly the river of life. Learn about red and white blood cells, lymphocytes, blood tests, blood types and blood donation.
How the Airbus A380 Works
science.howstuffworks.com/transport/flight/modern/a380.htm
The Airbus A380 is the world's largest passenger jetliner. Learn about the Airbus A380, the technology behind the A380 and see pictures of an A380 under construction.
10 Reasons Why Space Exploration Matters to You
science.howstuffworks.com/10-reasons-space-exploration-matters.htm
Yes, we have some amazing inventions thanks to space exploration, and we're curious about life on other planets. But the cosmos also touches a deeper part of our psyches. Here are 10 reasons space exploration matters to you.
How Many Bones Are in the Human Body and Other Skeletal Facts
health.howstuffworks.com/human-body/systems/musculoskeletal/bone.htm
Bones give our body structure and enable us to stand, walk and move. So exactly how many bones are in the human body anyway?
A Guide to Supplements for Seniors
health.howstuffworks.com/wellness/food-nutrition/vitamin-supplements/supplements-seniors.htm
Supplements for seniors can help to control hormones and even protect against cancer. Learn about the pros and cons of supplements for seniors.
Could You Dig a Tunnel Right Through the Center of Earth?
science.howstuffworks.com/environmental/earth/geophysics/question373.htm
Let's say you have a lunch date to make - and it's on the other side of the planet. Wouldn't it be convenient to pop down a hole through Earth's innards? But what would really happen if you did?
Famous Locomotives
history.howstuffworks.com/american-history/famous-locomotives.htm
Famous locomotives, such as the John Bull locomotive, have helped shape the history of American railroads. Learn more about some famous locomotives.
10 Best Barbecue Side Dishes
recipes.howstuffworks.com/tools-and-techniques/5-best-barbecue-side-dishes.htm
What barbecue is complete without complementary barbecue side dishes? Learn more and check out the 5 best barbecue side dishes.
How to Dispose of Paint
home.howstuffworks.com/home-improvement/home-diy/painting/how-to-dispose-of-paint.htm
Are you wondering how to dispose of old paint? Check out this article to learn how to dispose of old paint and alternatives.
How Diesel Engines Work
auto.howstuffworks.com/diesel.htm
Diesel engines are often more efficient and less expensive to operate than their gasoline alternatives. So why aren't there more diesels on the roads? Well, they have their own issues, too.