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How much extra gasoline would Americans use if daytime running lights were mandatory?
auto.howstuffworks.com/fuel-efficiency/fuel-economy/drl-gas-consumption.htm
Daytime running lights use gas to stay lit when the car is on. Learn how daytime running lights use gas and the amount it takes to power these lights.
Could radiant floor heating systems be related to some cancers?
home.howstuffworks.com/home-improvement/home-diy/flooring/radiant-floor-heating-cancer.htm
Some people wonder if radiant floor heating systems could be related to some cancers. Find out if radiant floor heating is related to some cancers.
What's the difference between a seal and a sea lion?
animals.howstuffworks.com/mammals/seal-versus-sea-lion.htm
The difference between seals and sea lions is easy to spot once you know what to look for. Learn about the difference between seals and sea lions.
How Agroforestry Works
home.howstuffworks.com/lawn-garden/professional-landscaping/agroforestry.htm
Agroforestry promotes the integration of landscape with livestock. Learn more about agroforestry at HowStuffWorks.
How a Hybrid Water Heater Works
home.howstuffworks.com/hybrid-water-heaters.htm
Hybrid water heaters are a cutting edge technology. Find out how hybrid water heaters will work at HowStuffWorks.
How Wind-up Cell Phone Chargers Work
electronics.howstuffworks.com/gadgets/travel/wind-up-cell-phone-chargers.htm
Wind-up cell phone chargers are popular travel gadgets. Learn more about wind-up cell phone chargers at HowStuffWorks.
Does smiling make you happy?
science.howstuffworks.com/life/inside-the-mind/emotions/smiling-happy.htm
Can smiling make you happy? Take a look at research and explanations behind whether or not smiling can make you happy.
How Ladies' Aid Societies Worked
money.howstuffworks.com/economics/volunteer/organizations/ladies-aid-society.htm
Ladies Aid Societies improved sanitary conditions during wartime. Read about the origins of Ladies Aid Societies in this article.
Lovely Lycopene: 5 Hidden Health Benefits of Tomatoes
recipes.howstuffworks.com/5-hidden-health-benefits-of-tomatoes.htm
Did you know that there are some great hidden health benefits of tomatoes? Check out our top 5 hidden health benefits of tomatoes.
Green Living Pictures
home.howstuffworks.com/green-living/green-living-pictures.htm
Green living encompasses your dining choices as well as your driving choices. Learn all about living green in these green living pictures.