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Top 5 Alternative Power Systems
science.howstuffworks.com/environmental/energy/5-alternative-power-systems.htm
Alternative energy isn't so "alternative" anymore. It's in the news, on political platforms, atop roofs and filling gas tanks, and the options have grown enough to change the conversation: It's not whether we want it, but which kind we want.
How an Electronic Sun Visor Works
auto.howstuffworks.com/under-the-hood/trends-innovations/electronic-sun-visor.htm
An electronic sun visor can block the sun's rays and keep you entertained at the same time. Learn all about electronic sun visors at HowStuffWorks.
How an Engine Lubrication System Works
auto.howstuffworks.com/engine-lubrication-system.htm
Keep your car's engine lubricated is key to maintaining performance over the long run. Read more about engine lubrication systems at HowStuffWorks.
Why in the World Do U.S. Presidents Pardon Turkeys?
history.howstuffworks.com/american-history/presidential-turkey-pardon.htm
Every year the U.S. president pardons a turkey and Americans eat it up. Not the bird, but the ceremony. How did this priceless tradition even start?
Why Are School Buses Yellow?
science.howstuffworks.com/why-are-school-buses-yellow.htm
The iconic "school bus yellow" was the invention of an educator named Frank Cyr. But if yellow is so good for visibility, why don't all fire trucks use it too?
February 4 Birthday Astrology
entertainment.howstuffworks.com/horoscopes-astrology/february-4-birthday-astrology.htm
An Aquarius born on February 4 is symbolized by the Water Bearer and has an intelligent, quirky nature. Learn about February 4 birthday astrology.
Do penicillin allergies run in families?
A penicillin allergy may be genetic or it may be caused by environmental factors. Find out what causes penicillin allergies from this article.
The Surprising (and Backward) Evolution of Swear Words
people.howstuffworks.com/backward-evolution-swear-words.htm
Swear words don't always go from taboo to acceptable. Sometimes it goes the other way. Learn why at HowStuff Works Now.
Climb Stairs Instead of Guzzling Caffeine for an Energy Boost
Take the stairs on your way to the office, and you might not need that morning cup of joe for energy. Learn more at HowStuffWorks.
How Liquefied Petroleum Gas Works
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/lpg.htm
You probably know it as the stuff that fuels a gas grill or a Zippo lighter, but that's just the beginning. People are modifying cars to run on the stuff. Learn all about liquefied petroleum gas.