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How Muscles Work
health.howstuffworks.com/human-body/systems/musculoskeletal/muscle.htm
Muscles are your body's engine, and you couldn't do anything without them. Learn about skeletal muscle, smooth muscle, and cardiac muscle and how muscle contraction works.
How did Lake Nyos suddenly kill 1,700 people?
science.howstuffworks.com/environmental/earth/geophysics/lake-nyos.htm
One evening, people heard their local lake rumbling. A day and a half later, 1,700 people were dead. What happened on that fateful night?
Diet Pills: What You Need to Know
health.howstuffworks.com/medicine/medication/diet-pill.htm
Diet pills are a tempting quick fix for an increasingly overweight American populace. Learn about different diet pills and the dangers of diet pills.
5 Signs That Download Site Isn't Legit
computer.howstuffworks.com/5-signs-that-download-site-isnt-legit.htm
Many download sites are illegal and full of malware and computer viruses. See these five signs that a download site isn't legit.
Can You Identify All of These Coniferous Trees?
play.howstuffworks.com/quiz/can-you-identify-all-of-these-coniferous-trees
Conifers conjure up winter scenes with snow and the winter holiday season. But did you know there are some coniferous trees that can't handle the snow? There are even some that thrive in arid regions! If you think know your cones, then take this quiz!
Can You Match the '70s TV Character to Their Show?
play.howstuffworks.com/quiz/can-you-match-the-70s-tv-character-their-show-learn
Hey Jack Tripper, come and knock on my door! Think you have what it takes to match these characters to your favorite 70s shows? Don your bell-bottoms and try your luck now!
How the Taser Shotgun Shell Works
electronics.howstuffworks.com/gadgets/other-gadgets/taser-shotgun-shell.htm
The Taser shotgun shell is a small version of the Taser that can be loaded into a shotgun and fired. Learn about the Taser shotgun shell.
How Animal Detectives Work
animals.howstuffworks.com/animal-facts/animal-detective.htm
Animal detectives work to solve crimes committed against domestic and wild animals. Learn who animal detectives answer to and how you can become one.
How China's Pollution Sniffers Work
science.howstuffworks.com/environmental/green-science/pollution-sniffer.htm
Air pollution in China has spurred the training of air pollution sniffers to detect toxic gas. Read more about air pollution detection through smell.
Desalination Plants: The Future of a Sustainable Water Supply
science.howstuffworks.com/environmental/earth/oceanography/desalination.htm
Desalination is the process of removing the salt from seawater, which turns the water into fresh drinking water. Learn about desalination.