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How Indoor Air Pollution Works
home.howstuffworks.com/home-improvement/household-safety/indoor-air-pollution.htm
Indoor air pollution can be up to 10 times worse than outdoor air pollution. Learn about indoor air pollution, its sources and its health effects.
Do Koalas Smell Like Cough Drops?
animals.howstuffworks.com/mammals/koala-smell-like-cough-drop.htm
Do koalas smell like cough drops? Learn how koalas break down eucalyptus leaves, digest them and render calories from their very fibrous food source.
How to Get Rid of Odors in Toilet Tanks
The sources of most bathroom odors are pretty obvious, considering the purpose of this often-windowless space. But every now and then, a mystery arises - what's that lingering smell? It could be the toilet tank.
Should You Save Your Baby's Umbilical Cord Blood?
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/labor-delivery/umbilical-cord-blood.htm
Umbilical cord blood usually gets thrown away as medical waste, but maybe you should keep it. Umbilical cord blood is an important source of CBE stem cells.
Is Voice of America's Mission of Objectivity In Danger?
people.howstuffworks.com/voice-of-america.htm
Voice of America, the U.S. government-controlled media network, has long had a reputation for being a source of unbiased news in contrast to the government-controlled media in countries it reaches.
How Uranium Glass Got Its Glow On
entertainment.howstuffworks.com/arts/artwork/uranium-glass.htm
Glass that glows? You bet. And that glow comes from a source you wouldn't believe. Uranium, the same radioactive ore now used to power commercial nuclear reactors.
Hemp Energy: Sounds like a joke, but it's not!
auto.howstuffworks.com/fuel-efficiency/biofuels/hemp-energy.htm
We're still a ways from a hemp-powered car, but industrial hemp has made a number of headlines in past years, especially as an alternative energy source. Is hemp the power of the future?
Sardines: The Stinky Little Fish You Should Be Eating
recipes.howstuffworks.com/sardines.htm
Sardines are a great source of protein, vitamins and healthy omega-3 fatty acids, while also containing almost no mercury, so start loading up on these power-packed little swimmers.
What Is an RSS Feed?
computer.howstuffworks.com/internet/basics/rss.htm
Short for Really Simple Syndication, RSS is a way to subscribe to a source of information, such as a Web site, and get brief updates delivered to you. So what should you subscribe to, and what happens next?
How Three-Way Switches Work
home.howstuffworks.com/three-way.htm
You probably have at least one light that is controlled by two separate switches -- either switch can turn it on or off. Find out how the light knows what to do with two sources of input.