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People bury victims of a landslide in Teresopolis, Rio de Janeiro state, Brazil, Thursday Jan. 13, 2011. More than 500 people died in Rio state towns after slides hit early Wednesday, officials said. (AP Photo/Felipe Dana)
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Haitian police lower the national flag Wednesday in front of the still-damaged presidential palace on the first anniversary of the magnitude-7.0 earthquake in Port-au-Prince. The poverty-stricken country also has presidential election problems. (Associated Press)
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Homes affected by landslides in the Nova Friburgo municipality of Rio de Janeiro state in Brazil are seen on Thursday in this photo released by Rio de Janeiro's state government. At least 355 people died in Rio state towns after slides hit early Wednesday, and at least 50 people were still missing, officials said. (Associated Press)
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The hardware for an IBM computer called "Watson" is seen after a practice round of the "Jeopardy!" The size of 10 refrigerators, "Watson" bested its human rivals. (Associated Press)
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Illustration: Science
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A rescue worker walks among debris after landslides at Caleme neighborhood in Teresopolis, Brazil, Thursday, Jan. 13, 2011. Driving rains sent tons of rusty red earth sliding into Brazilian mountain towns, killing hundreds of people. (AP Photo/Felipe Dana)
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People walk among debris after landslides at Caleme neighborhood in Teresopolis, Brazil, Thursday, Jan. 13, 2011. Driving rains sent tons of rusty red earth sliding into Brazilian mountain towns, killing hundreds of people and leaving dozens more missing _ lives rescuers hoped to save as they resumed searches Thursday. (AP Photo/Felipe Dana)
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Cars sit in debris in a flooded street in Teresopolis, Rio de Janeiro state, Brazil, Wednesday Jan. 12, 2011. Torrential summer rains tore through Rio de Janeiro state's mountains, killing more than 300 people. (AP Photo/Roberto Ferreira, Agencia O Dia)
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People stand on the porch of their home at the edge of landslide damage in the Caleme neighborhood in Teresopolis, Brazil, Thursday, Jan. 13, 2011. (AP Photo/Felipe Dana)
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Rescue workers search for survivors in collapsed homes destroyed by flooding in the Nova Friburgo municipality of Rio de Janeiro state, Brazil, Wednesday Jan. 12, 2011. Torrential summer rains tore through Rio de Janeiro state's mountains, killing more than 300 people. (AP Photo/Gerson Goncalo, Agencia O Dia)
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People walk next to debris and a damaged car after landslides in the Caleme neighborhood in Teresopolis, Brazil, Thursday, Jan. 13, 2011. (AP Photo/Felipe Dana)
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People stand by the bodies of mudslide victims after heavy rain in the neighborhood of Caleme in Teresopolis, Brazil, Wednesday Jan. 12, 2011. Authorities in Rio de Janeiro say 58 people have died in the mudslides and flash floods that followed torrential rain overnight. The mayor of the mountain town of Teresopolis just north of Rio said in a statement Wednesday that 48 people died, and more than 1,000 have been left homeless. (AP Photo/Paulo Cezar, Agencia O Globo)
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The living room features a gas fireplace with a handcrafted tile surround. It is flanked by built-in cabinets.
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Lennar is building 303 single-family homes at Martin's Chase in Ashburn, an 850-acre development in Loudoun County surrounded by more than 400 acres of conserved land. The homes have approximately 2,700 to 4,100 finished square feet, with base prices from $489,990 to $627,990.
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Ryan Homes is building 400 single-family homes on quarter-acre homesites at Fairwood in Bowie. The homes have 3,233 to 4,219 finished square feet, with base prices from $369,990 to $424,990.
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ALARMED: Defense Secretary Robert M. Gates says North Korea's nuclear arms are "becoming a direct threat." (Associated Press)
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A frame grab from video shows an aerial view of a mudslide in Teresopolis, Brazil, on Wednesday, Jan. 12, 2011. Torrential rain tore through Rio de Janeiro state's mountains, killing at least 140 people in 24 hours, the state's emergency rescue office said. (AP Photo/TV Globo, Agencia O Globo)
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Former Alaska Gov. Sarah Palin posted a video statement on her Facebook page Wednesday, criticizing media pundits for blaming her in the Arizona shooting. (AP photo)
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Icaris Celnet stands in the ruins of the Cathedral of Our Lady of the Assumption in Port-au-Prince, Haiti, on Tuesday, Jan. 11, 2011, the eve of the first anniversary of the earthquake that killed more than 230,000 people and displaced some 1.5 million more. Mr. Celnet lost his leg during the earthquake. (AP Photo/The Canadian Press, Paul Chiasson)
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Haiti Ambassador to the Holy See Carl-Henri Guiteau, left, wipes a tear as he attends a memorial Mass celebrated by Vatican Secretary of State Cardinal Tarcisio Bertone at St. Mary Major Basilica, in Rome, Wednesday, Jan. 12, 2011, on the first anniversary of the devastating Haiti earthquake. (AP Photo/Gregorio Borgia)
