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What causes the sound of a heartbeat?
health.howstuffworks.com/human-body/systems/circulatory/sound-of-heartbeat.htm
We're all familiar with the sound of a heartbeat: lub-dub, lub-dub. Learn what causes the sound of a heartbeat and why yours might sound different.
Why could China's Three Gorges Dam cause an environmental disaster?
science.howstuffworks.com/environmental/green-science/three-gorges-dam-disaster.htm
The Three Gorges Dam could very well lead to an environmental disaster for China. Learn about the Three Gorges Dam.
How Bluetooth Surveillance Works
electronics.howstuffworks.com/bluetooth-surveillance.htm
Bluetooth surveillance uses the popular wireless technology found in mobile devices to track people's movements. Learn about Bluetooth surveillance.
How ATMs Work
money.howstuffworks.com/personal-finance/banking/atm.htm
''You can stop at an ATM, enter a PIN and leave with cash. Learn about the machines that give you money and the network that approves the transactions!''
How Ballpoint Pens Work
home.howstuffworks.com/pen.htm
Before the handy ballpoint, getting a few sentences onto paper was a pretty involved task. Find out how the ballpoint pen stores and manages its own ink supply to make writing a snap.
Camping Safety Tips for Kids
lifestyle.howstuffworks.com/crafts/seasonal/camping-safety-tips-for-kids.htm
These camping safety tips for kids teach vital skills to have while hiking in the wilderness. Learn more about camping safety tips for kids.
Dragon Con Survival Guide
entertainment.howstuffworks.com/arts/comic-books/dragoncon-survival.htm
Dragon Con is a sci-fi and fantasy convention that takes place in Atlanta each year. Learn about Dragon Con and find out how to plan your Dragon Con visit.
Can an MRI machine also act as a lie detector?
people.howstuffworks.com/mri-lie-detector.htm
A MRI lie detector could detect truthfullness more accurately than a polygraph machine. Learn about MRI lie detectors and and MRI lie detection.
Easy Fitness Activities for Kids
lifestyle.howstuffworks.com/crafts/home-crafts/easy-fitness-activities-for-kids.htm
Easy fitness activities for kids are a fun challenge to get kids in shape. Get great ideas for easy fitness activities for kids at HowStuffWorks.
1988 Renault Megane Concept Car
auto.howstuffworks.com/1988-renault-megane-concept-car.htm
The 1988 Renault Megane concept car had European style and attitude. See pictures and a profile of the innovative 1988 Renault Megane concept car.