Nuts & Bolts
PHOTOS: Satellites take artistic views of Earth
The accompanying images were taken by NASA satellites and a joint NASA/U.S. Geological Survey satellite, which orbits about 440 miles above Earth collecting data that are used to study changes in land cover, forest growth, water resources and the atmosphere.
Irrigation systems near Garden City, Kansas: Light colors are harvested fields; red are still growing. 
Rare rock and ice are bright red in this image of eastern Russia's dormant Anyuyskiy volcano. 
The Empty Quarter, in the southern part of the Arabian Peninsula, is a huge sand desert. 
Lake Disappointment, amid sand dunes in western Australia, has salty deposits that look white.
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Mom delivered baby as tornado struck
Shayla Taylor was so far along in labor that her nurses at Moore Medical Center decided not to move her when Monday's tornado hit. They waited out the storm in an operating room, where the wall disappeared as the tornado hit the building.
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Mayor wants tornado shelters in new homes
Moore Mayor Glenn Lewis wants tornado shelters in all new homes in his city, where an EF-5 tornado damaged or destroyed more than 12,500 homes Monday afternoon. A proposed ordinance would require a shelter inside or outside each new residence.
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TIMELAPSE: Take a tour through the damage in Moore
Take a driving tour of the damage in Moore caused by Monday's tornado.
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AUDIO: Residents share their tornado experiences
Moore, Okla., residents talk about living through Monday's EF-5 tornado.
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VIDEO: Tornado survivor's missing dog found during TV interview
Barbara Garcia was being interviewed by CBS News about how she survived the destruction of her home to Monday's massive tornado in Moore, when the dog she feared dead was suddenly discovered alive in the rubble of her home.
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VIDEO: Pres. Obama's remarks on the Okla. tornado
President Obama speaks on Monday's deadly Okla. tornado.
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LIVE BLOG: Massive tornado hits south of OKC
A massive tornado touched down Monday afternoon in Moore, Okla., just south of Oklahoma City. Follow live coverage of the aftermath of the storm.
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VIDEO: How technology helps predict tornadoes
At the National Storm Prediction Center in Oklahoma, the team charged with predicting tornadoes relies on ever-changing technology to determine when and where storms may strike.
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What you need to know about preparing for tornadoes
Tornado survivors and seasoned observers suggest people do two simple things to prepare for tornadoes: Know where to take shelter, and move quickly when the time comes.
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VIDEO: Texas tornadoes damage homes, businesses
The Dallas Morning News has the latest on the tornadoes that tore through the region Wednesday night.
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