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How the Doppler Effect Works
science.howstuffworks.com/science-vs-myth/everyday-myths/doppler-effect.htm
The Doppler effect is why you hear the sound from a moving object change as it nears and passes you. Find out how the Doppler effect works.
How Tuning Forks Work
science.howstuffworks.com/tuning-fork.htm
Pianos lose their tuning, guitars fall out of key -- even church organs need to be tuned every now and then. For centuries, the only sure-fire way to tell if an instrument was in tune was to use a tuning fork.
How Shrinky Dinks Work
entertainment.howstuffworks.com/shrinky-dink.htm
Shrinky Dinks are drawings or colorings on plastic that have been shrunken in an oven. Learn more about Shrinky Dinks at HowStuffWorks.
Ultimate Guide to Vitamin C
health.howstuffworks.com/wellness/food-nutrition/vitamin-supplements/vitamin-c.htm
Vitamin C is something you hear about all the time when it comes to your immune system. Learn about vitamin C at HowStuffWorks.
Is there a link between heart disease and kidney disease?
health.howstuffworks.com/diseases-conditions/cardiovascular/heart/heart-kidney-disease.htm
Congestive heart failure kidney disease occurs more often when people have heart diesease. Find more about congestive heart failure kidney disease.
Earth's Oldest Color Was Pink
science.howstuffworks.com/life/cellular-microscopic/earths-oldest-color-was-pink.htm
Scientists have found that ancient fossilized chlorophyll was dark red and purple in its concentrated form, which means that when diluted by water or soil, it would have lent a pink cast to earth and sea.
Does Creatine Work?
health.howstuffworks.com/wellness/diet-fitness/information/does-creatine-work.htm
Does creatine work? Learn whether creatine works for diet and fitness at Discovery Health.
How a Closed Terrarium Can Live for Decades, No Water Added
home.howstuffworks.com/closed-terrarium.htm
David Latimer put a plant and some compost in a bottle in 1960. It's still alive and thriving over 60 years later. How does a closed ecosystem like this work?
The Northern Lights Could Dazzle Mainland U.S. Tonight
science.howstuffworks.com/nature/climate-weather/atmospheric/northern-lights-news.htm
A geomagnetic storm could cause a spectacular aurora borealis Aug. 18 and 19 over parts of the continental United States, as far south as Illinois.
How Much HP Does a Turbo Add?
auto.howstuffworks.com/turbo.htm
Turbochargers significantly increase engine performance without adding much weight. But how do they work?