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How Airport Security Works
science.howstuffworks.com/transport/flight/modern/airport-security.htm
According to the Department of Homeland Security 730 million people travel on passenger jets every year. Are these folks safe? Find out how high-tech solutions are being used to make flying as safe as possible.
How Airports Work
science.howstuffworks.com/transport/flight/modern/airport.htm
Did you know that airports were once known as "flying fields" because planes took off and landed in large fields? Journey through the hidden world of airports in this article, but without the stress, nail-biting and packages of peanuts.
How Alang Shipyard Works
science.howstuffworks.com/environmental/green-science/alang-shipyard.htm
In this mass graveyard, workers dismantle 52,000-ton ships using simple hand tools. Why would anyone want to work at Alang? Is this place doing the world a service by recycling obsolete ships?
How Alchemy Paved the Way for Chemistry
science.howstuffworks.com/alchemy-to-chemistry.htm
Alchemy may seem like a cousin to witchcraft but in reality it was the forerunner of modern chemistry.
How Alcoholism Works
science.howstuffworks.com/life/inside-the-mind/human-brain/alcoholism.htm
Alcoholism can be difficult to spot. Learn the difference between heavy drinking and alcoholism, how alcohol affects the body, what factors may lead to alcoholism and what treatments are available for this addiction.
How Algae Biodiesel Works
science.howstuffworks.com/environmental/green-science/algae-biodiesel.htm
Many people are interested in algae biodiesel as a green fuel. Learn all about algae biodiesel and how researchers make biodiesel from algae.
How Alien Hand Syndrome Works
science.howstuffworks.com/life/inside-the-mind/human-brain/alien-hand.htm
Alien hand syndrome sounds like something from a B-grade horror movie, but it's a real condition. You could be completely at the mercy of your own renegade hand -- it could keep your other hand from functioning, punch you or even choke you.
How Aliens Work
science.howstuffworks.com/space/aliens-ufos/alien-physiology.htm
Alien life forms would probably differ from those on Earth but still adhere to certain principles. Learn about astrobiology and the search for alien life forms.
How Aluminum Works
science.howstuffworks.com/aluminum.htm
Aluminum is used in many products, from pots and pans to light bulbs and power lines. Learn how aluminum went undiscovered for so long.
How Amnesia Works
science.howstuffworks.com/life/inside-the-mind/human-brain/amnesia.htm
Memory is your only personal record of the past and of who you are as an individual. What if you woke up one morning and your memory was gone?