Features
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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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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LIVE: Tornado on the ground south of Oklahoma City
Watch live coverage as a tornado crawls across the Oklahoma City Metropolitan area.
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VIDEO: Tumblr sold to Yahoo! for $1.1 billion
Yahoo! has purchased Tumblr for $1.1 billion, hoping to compete more effectively with sites like Google and Facebook.
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SLIDESHOW: Texas storms damage homes, uproot trees
After a series of tornadoes touched down outside Dallas, residents of many Texas communities are cleaning up.
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Apple's iPad2 heart risk found in research by 14-year-old
Gianna Chien's study — which found that Apple's iPad2 can, in some cases, interfere with life-saving heart devices because of the magnets inside — is based on a science fair project that didn't even win her first place.
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SLIDESHOW: Governor Otis R. Bowen
Photos from the Indiana State Archives of the late Otis R. Bowen, who served as governor of the state as well as in the Ronald Reagan White House. The Bremen native died Saturday
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Hacker group Anonymous targets Mass. city's computers
The internationally-known hacker activist group Anonymous recently targeted the Methuen's computer system in apparent retaliation for the arrest of a Methuen High School student.
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VIDEO: Elizabeth Smart's advice for rescued Ohio women
The discovery of three women in a Cleveland home who all had gone missing separately about a decade ago brings to mind cases of abductions elsewhere. Elizabeth Smart says she is elated by the women's rescue.
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VIDEO: Interview with Charles Ramsey, rescuer of Amanda Berry
After going missing more than 10 years ago, Amanda Berry shouted to a man from a house on Monday.
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To clean up the Chesapeake Bay, researchers say, we need to unleash oyster power
Behold the tiny oyster.
No, not on the half-shell, with a squirt of lemon, but in its watery habitat, the Choptank River.
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Raw: Tornado on the Ground in Oklahoma
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Pug Life on Display at Wisconsin Festival
Company Promises to Make All Snail Mail Digital
Analyst: Tumblr Fills Void in Yahoo's Offerings
