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![The Brown Mountains of North Carolina used to contain some mysteries. [©Shutterstock, 2010]](/image/350x200/3012_what_is_the_origin_of_the_brown_mountain_lights_of_north_carolina.jpg)
What is the origin of the Brown Mountain Lights of North Carolina?
Find out what the origin of the Brown Mountain Lights of North Carolina is.
The origin of the Brown Mountain Lights of North Carolina was was a mystery for thirty years. Discover the origin Brown Mountain Lights of North Carolina.
![Hurricane shutters help protect windows from strong winds and flying debris. [©Shutterstock, 2010]](/image/125x125/1575_hurricane_shutters.jpg)
Hurricane Shutters
Find information about different types of hurricane shutters. |
![Lightning is usually associated with large storm clouds like this one. [©Shutterstock, 2010]](/image/125x125/3021_how_hot_is_lightning.jpg)
How hot is lightning?
Find out how hot lightning is. |
![St. Elmo's fire may be related to lightning. [©Shutterstock, 2010]](/image/125x125/3016_what_is_saint_elmos_fire.jpg)
What is St. Elmo's fire?
Find out what St. Elmo's fire is. |
![An outdoor thermometer is a pleasant and informative addition to a patio.[©Shutterstock, 2010]](/image/125x125/5090_thermometer_outdoor.jpg)
Outdoor Thermometer
Get information on outdoor thermometers and how they work. |
![Rainbows form when raindrops reflect sunlight. [©Jupiter Images, 2010]](/image/125x125/3025_what_is_the_order_of_colors_in_a_rainbow.jpg)
What is the order of colors in a rainbow?
Find out what the order of colors in a rainbow is. |
![Galoshes and waterproof boots are essential pieces of a rainy-climate wardrobe. [©Jupiter Images, 2008]](/image/125x125/foul_weather_gear.jpg)
Foul Weather Gear
Check out these foul weather gear options for sport, outdoor and urban activities. |
How much water is there in an inch of snow?
Find out how much water there is in an inch of snow. |
![A tsunami results in gigantic waves. [©Jupiter Images, 2010]](/image/125x125/2386_what_is_a_tsunami.jpg)
What is a tsunami?
A tsunami is set in motion by a large earthquake. |
![The earth is warmer than it was a century ago. [©Jupiter Images, 2009]](/image/125x125/3047_how_much_has_the_earth_warmed_in_the_past_century.jpg)
How much has the earth warmed in the past century?
Find out how much the earth has warmed in the past century. |
![Frost occurred every month of 1816. [©Jupiter Images, 2010]](/image/125x125/3044_Why_was_1816_known_as_the_year_without_a_summer.jpg)
Why was 1816 known as the year without a summer?
Find out why 1816 was known as the year without a summer. |
