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How and why does the heart pump blood to itself?
health.howstuffworks.com/human-body/systems/circulatory/heart-pump-blood.htm
Have you ever stopped to wonder how does the heart pump blood to itself and the rest of your body? Learn the answer to how does the heart pump blood.
Fifth Disease Overview
health.howstuffworks.com/skin-care/problems/baby/fifth-disease.htm
Fifth disease is a common baby skin problem. Learn more about how fifth disease works at HowStuffWorks.
How Commercial Jingles Work
money.howstuffworks.com/commercial-jingle.htm
Commercial jingles are written about a product and, if done correctly, can stick in your head for days. Learn about the use of commercial jingles.
How Fiber Optics Work
computer.howstuffworks.com/fiber-optic.htm
Fiber optics is a really cool technology that enables the long-distance transmission of data in light signals, and is used in many more ways than you think.
Can You Identify These U.S. Presidents If We Give Them Fake Mustaches?
play.howstuffworks.com/quiz/can-you-identify-these-us-presidents-if-we-give-them-fake-mustaches
There's a reason the greatest masters of disguise used fake mustaches to hide their identity. Now, we've taken their craft and applied it to these U.S. presidents. Will you know who they are?
Hypersonic Speed Explained: How Hypersonic Planes Work
science.howstuffworks.com/transport/flight/modern/hypersonic-plane.htm
Higher, farther, faster: NASA's X-43A plane is destined to set new speed records. What sets the X-43A apart from other rocket-powered aircraft is that it is powered by a scramjet engine. Learn all about it.
Will I get shocked if I drive an electric car through a big puddle?
auto.howstuffworks.com/fuel-efficiency/vehicles/electric-car-shock.htm
If you drive an electric vehicle, should you be concerned with electric vehicle safety? Find out why it's important to understand electric vehicle safety.
How is L.A. like ancient Rome?
science.howstuffworks.com/environmental/green-science/la-ancient-rome.htm
Aqueducts are one thing held in common by both L.A. and Ancient Rome. Learn about the L.A. aqueducts and how they harmed the Owens Valley.
Can manatees see underwater?
animals.howstuffworks.com/mammals/manatees-see-underwater.htm
Manatees see poorly underwater, with the aid of two very small eyeballs. Learn how manatees see underwater and navigate with such poor vision.
How WiFi Detectors Work
electronics.howstuffworks.com/gadgets/travel/wifi-detectors.htm
WiFi detectors are useful travel gadgets. Learn more about WiFi detectors at HowStuffWorks.