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How Karate Works
entertainment.howstuffworks.com/karate.htm
Karate is an incredible art form, built on the concept of merging body and mind into a defensive weapon. See how karatekas use this merger to break wood and cinder blocks with their hands and feet.
Natural Sleep Aids
health.howstuffworks.com/wellness/natural-medicine/alternative/natural-sleep-aids.htm
Natural sleep aids are often confused with scams. Learn how these legitimate methods of inducing sleep can help you get some shut-eye.
How the DHARMA Initiative Works
entertainment.howstuffworks.com/dharma-initiative.htm
If you're a big fan of "Lost," you're probably full of theories about the DHARMA Initiative. Learn about the DHARMA Initiative history and theories.
How Customs Works
science.howstuffworks.com/transport/flight/modern/customs.htm
To most people a trip through customs is just another stop in an airport or a country's borders. But customs agencies do much more for their countries' governments. In fact U.S. Customs raises more revenue than any agency except the IRS. Find out why and how they do it.
How the Vikings Worked
history.howstuffworks.com/historical-figures/viking.htm
The Vikings, we may think, were bloodthirsty pillagers in horned helmets. While Vikings did plunder, they also did great things -- and in different headgear.
How Labor Scabs Work
money.howstuffworks.com/labor-scab.htm
Labor scabs fill jobs when union workers go on strike. Learn more about labor scabs and labor strikes.
How Emergency Rooms Work
people.howstuffworks.com/emergency-room.htm
Movies and TV shows depict emergency rooms as insanely intense places. But do you want to know what an emergency department in a hospital is really like? Learn all about what goes on in a real-life ER.
How the Mars Rovers Work
science.howstuffworks.com/mars-rover.htm
Of course we want to go to Mars. Until we figure it out though, roving robots with names like Spirit, Opportunity, Sojourner and Curiosity are our best bet for digging up dirt on our nearest planetary neighbor. Want to go along for the ride?
10 Medical Conditions Once Found in Sideshows
entertainment.howstuffworks.com/arts/circus-arts/10-medical-conditions-once-found-in-sideshows.htm
Years ago, sideshows were spaces to parade people's disabilities. Learn about 10 medical conditions once found in sideshows at HowStuffWorks.
Why shouldn't I swim right after I eat?
science.howstuffworks.com/science-vs-myth/everyday-myths/question510.htm
You've heard the saying for ages, but exactly why is it so dangerous to go swimming right after you eat?