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Heating and Cooling System Maintenance Tips
Heating and cooling systems are usually trouble-free and easy to maintain for your home. Learn basic maintenance and safety tips.
How to Troubleshoot a Heat Pump
home.howstuffworks.com/home-improvement/heating-and-cooling/how-to-troubleshoot-a-heat-pump.htm
A heat pump not only heats your home during the winter, it also cools it during the summer. Proper maintenance is important. Find out how to troubleshoot a heat pump.
Are all blood types needed for for donation?
health.howstuffworks.com/human-body/systems/circulatory/question593.htm
I would like to donate blood and keep hearing about which blood types are needed most. How do human blood types work?
What are the white dots on my nails?
health.howstuffworks.com/skin-care/nail-care/health/white-dots-on-nails.htm
What are the white dots on my nails? Visit HowStuffWorks to learn what the white dots are on your nails.
How do plug-in hybrids' mileage compare to other cars?
auto.howstuffworks.com/car-models/plug-in-hybrids/plug-in-hybrids-mileage.htm
How do plug-in hybrids' mileage compare to other cars? Find out how much gas plug-in hybrids use compared to other cars.
What keeps concept cars from making it to market?
auto.howstuffworks.com/concept-cars-on-market.htm
What keeps concept cars from making it to market? Find out why so many concept cars never make it to the dealer's lot.
Is Agave Worse Than High Fructose Corn Syrup?
health.howstuffworks.com/wellness/food-nutrition/facts/agave-fructose-corn-syrup.htm
There have been some articles surfacing that claim agave nectar is no better than high-fructose corn syrup?a statement that, as a vegan baker and agave-lover, flabbergasted me, to say the least.
What makes your heart beat?
health.howstuffworks.com/human-body/systems/circulatory/what-makes-your-heart-beat.htm
What makes your heart beat? Learn more about what makes your heart beat from Discovery Health.
What Did Albert Einstein Invent?
science.howstuffworks.com/innovation/famous-inventors/what-did-albert-einstein-invent.htm
Albert Einstein was one of history's greatest thinkers. Although he isn't really known as an inventor, his ideas formed the basis for some of the greatest inventions ever devised. Here are a few of the man's most revolutionary discoveries.
Mental Illness
health.howstuffworks.com/mental-health/mental-disorders/mental-illness-info.htm
Mental illness is a term used in the study and practice of psychology. Visit HowStuffWorks to learn all about the term mental illness.