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Holiday_Tech_Gifts_Toys.sff.jpg

In this product image provided by Wild Planet, the Spy Gear SpyVideo Trakr is displayed. (AP Photo/Wild Planet)

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This undated image provided by Ohio State University shows Ellesmere Island National Park in Canada. Ohio State University researchers and their colleagues have discovered the remains of a mummified forest that lived on the island 2 to 8 million years ago, when the Arctic was cooling. This mummified forest is giving researchers a peek into how plants reacted to ancient climate change. That knowledge will be key as scientists begin to tease out the impacts of global warming in the Arctic.(AP Photo/Ohio State University, Joel Barker)

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Mummified_Forest.sff.jpg

This undated image provided by Ohio State University shows Ellesmere Island National Park in Canada. Ohio State University researchers and their colleagues have discovered the remains of a mummified forest that lived on the island 2 to 8 million years ago, when the Arctic was cooling. This mummified forest is giving researchers a peek into how plants reacted to ancient climate change. That knowledge will be key as scientists begin to tease out the impacts of global warming in the Arctic. (AP Photo/Ohio State University, Joel Barker)

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FILE - In this undated file photo, a polar bear is shown in the Arctic National Wildlife Refuge in Alaska. If the world dramatically changes its steadily increasing emissions of greenhouse gases, global warming can be slowed enough to prevent a total loss of critical summer sea ice for the polar bears, according to a new study in the journal Nature released Wednesday, Dec. 15, 2010. (AP Photo/Subhankar Banerjee, File)

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Frantz Philistin holds up an image of his 15-month-old son Keevins outside court in Port-au-Prince, Haiti, Wednesday Dec. 15, 2010. Paul Waggoner, a U.S. citizen who helped found a group that provides medical supplies and transportation for aid missions in post-quake Haiti, is being held while authorities investigate allegations he kidnapped Keevins. Waggoner said the baby died at a hospital with fever and gastrointestinal distress in February. (AP Photo/Dieu Nalio Chery)

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Craftmark Homes is building 20 single-family homes on sites of one-half acre to 2 acres at Frontgate Farms in Upper Marlboro. The homes have 2,748 to 5,571 finished square feet, with base prices from $519,900 to $674,900.

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Brookfield Homes is building 700 single-family homes on quarter-acre sites at Snowden Bridge in Stephenson. The homes have approximately 1,700 to 2,600 finished square feet, with base prices from $267,990 to $299,990.

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The kitchen in the Yardley model at Snowden Bridge has 42-inch cabinets, a pantry and an adjacent breakfast area.

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Consumer Prices_Lea.jpg

A Duke Energy worker repairs a line after storm damage in Vale, N.C., on Oct. 27, 2010. Energy costs were up 0.2 percent in November, the fifth straight monthly rise, but that still was the smallest increase in five months. (AP Photo/Chuck Burton)

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Sarah Palin's daughter Bristol adjusts her mother's hair at a cholera treatment center in Haiti. Caption writers said Mrs. Palin was getting "her hair done." (Associated Press)

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Icicles cling to a sign outside a strawberry field Tuesday, Dec. 14, 2010 in Springhead, Fla. Farmers spray a fine mist of water on their crops to help protect the fruit from the sub-freezing temperatures. Temperatures in central Florida dipped into the 20's. (AP Photo/Chris O'Meara)

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Icicles cover an ornamental flower at sunrise Tuesday, Dec. 14, 2010 in Springhead, Fla. Farmers spray a fine mist of water on their crops to help protect the fruit from the sub-freezing temperatures. Temperatures in central Florida dipped into the 20's. (AP Photo/Chris O'Meara)

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A rainbow forms as a sprinkler sprays water on ornamental plants Tuesday, Dec. 14, 2010 in Plant City, Fla. Farmers spray water on their crops to help protect the fruit from the sub-freezing temperatures. Temperatures in central Florida dipped into the 20's. (AP Photo/Chris O'Meara)

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Crops are inspected at Frank Oakes Organic Farm in Collier County, Fla., Dec. 14, 2010 after a freeze overnight damaged crops. Most heavily hit were the strawberries. (AP Photo/Naples Daily News,Greg Kahn)

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Crops are inspected at Frank Oakes Organic Farm in Collier County, Fla., Tuesday, Dec. 14, 2010 after a freeze overnight damaged crops. Most heavily hit were the strawberries. (AP Photo/Naples Daily News,Greg Kahn)

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Icicles form a pattern on a barbwire fence Tuesday, Dec. 14, 2010 in Plant City, Fla. Farmers spray a fine mist of water on their crops to help protect the fruit from the sub-freezing temperatures. Temperatures in central Florida dipped into the 20's. (AP Photo/Chris O'Meara)

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FILE - This undated file artist's rendering shows one of NASA's twin Voyager spacecraft. NASA says the long-running Voyager 1 spacecraft hurtling toward the edge of the solar system has reached another milestone. Since 2004, the unmanned probe has been exploring a region of space where the solar wind slows abruptly and crashes into the thin gas between stars. NASA said Monday that recent readings show the solar wind has slowed to zero, meaning the spacecraft is getting ever closer to the solar system's edge. (AP Photo/NASA, File)

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In this image from video, showing emergency services as they attend the scene after a car exploded in the center of Stockholm on Saturday Dec. 11, 2010. Two separate explosions shook the busy shopping area in central Stockholm on Saturday. This car exploded and another unexplained explosion happened shortly after leaving one person dead, rescue officials said. (AP photo/TV4)

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**FILE** In this photo from May 10, 2007, a general view of empty houses in the town of Pripyat are seen, with the closed Chernobyl nuclear power plant in the background. (Associated Press)

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A boy walks past a brick factory on the outskirts of Jammu, India, Saturday, Dec. 11, 2010. After two decades of unbridled development, India is now the world's third-largest greenhouse gas emitter, with rivers the World Bank has described as fetid sewers and cities listed among the world's most polluted. India's environment Minister Jairam Ramesh suggested this week that India might commit to cutting emissions, saying all developing countries should consider doing so. (AP Photo/Channi Anand)