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Why does nail polish turn your nails yellow?
health.howstuffworks.com/skin-care/nail-care/health/nails-turn-yellow.htm
Why does nail polish turn your nails yellow? Find out how nail polish works and why it turns your nails yellow at HowStuffWorks.
Could salt water fuel cars?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/salt-water-fuel.htm
Salt water fuel could be the next viable alternative to foreign oil. Learn about the ongoing research behind the concept of salt water fuel.
How the Student Conservation Association Works
money.howstuffworks.com/economics/volunteer/organizations/student-conservation-association.htm
The Student Conservation Association partners high school students with environmental organizations. Read about the Student Conservation Association.
Is All That Shines Really Sterling Silver?
home.howstuffworks.com/home-decor/decorating-styles-techniques/sterling-silver.htm
The Brits standardized what it means for an item to be sterling silver way back in the 14th century. But how can you tell if something is sterling or not?
How to Volunteer for the Parks and Recreation Department
money.howstuffworks.com/economics/volunteer/opportunities/volunteer-parks-recreation.htm
Volunteering for your local parks and recreation department offers myriad opportunities. Learn how to get started volunteering with parks and recreation.
How is green nanotechnology being used?
science.howstuffworks.com/environmental/green-science/green-nanotechnology.htm
How is green nanotechnology being used? Learn about green innovations and technologies in the field of green nanotechnology.
Burmese Python: How the Invasive Species Affects Ecosystems
animals.howstuffworks.com/snakes/burmese-python.htm
The Burmese python is a solitary and nocturnal creature, but it's become an invasive species in Florida as a result of the exotic pet trade.
How Tsunamis Work
science.howstuffworks.com/nature/natural-disasters/tsunami.htm
Tsunamis are water walls that travel faster than jets. See pictures, footage and diagrams of tsunamis, look at famous tsunamis and learn how tsunamis are born.
10 Ways Animals Supposedly Predict the Weather
Next time the cat starts sneezing, should you look for your umbrella or check her out for allergies? There are many superstitions out there about animals and weather prediction. Which ones hold water, and which ones are for the birds?
How has NASA helped save firefighters?
science.howstuffworks.com/innovation/nasa-inventions/nasa-save-firefighters.htm
How has NASA helped save firefighters? Visit HowStuffWorks to learn how NASA has helped saved firefighters' lives.