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WASHINGTON, July 8 (Xinhua) -- U.S. President Barack Obama on Friday hailed space shuttle Atlantis' final flight in NASA's shuttle program, saying Americans across the country watched with pride as America reached for the heavens once more.Obama expressed his "sincere gratitude" to Atlantis astronauts and space workers because they "helped our country lead the space age.""Today's launch may mark the final flight of the space shuttle, " Obama said in a statement. "But it propels us into the next era of our never-ending adventure to push the very frontiers of exploration and discovery in space."Friday's flight is the 33rd voyage for Atlantis. Its return to the earth later this month will mark the end of the 30-year shuttle program."What a truly awesome day today," said NASA Associate Administrator for Space Operations Bill Gerstenmaier at the STS- 135 postlaunch news conference. "What you saw is the finest launch team and shuttle preparation teams in the world.""It truly was an awesome, spectacular launch," added Kennedy Space Center Director Bob Cabana, who looked ahead to plans for future development beyond the shuttle program as space station operations continue.Atlantis will be the last shuttle to be retired. Discovery was first in March, followed by Endeavour at the beginning of June. Each shuttle will head to a museum.When the U.S. space shuttle program officially ends later this year, the Russian space program's Soyuz capsule will be the only method for transporting astronauts to and from the station.

BEIJING, June 20 (Xinhuanet) -- More Chinese cities have seen month-on-month declines in the prices of both new and secondhand homes, according to the National Bureau of Statistics (NBS) on Saturday.The NBS said in a statement on its website that month-on-month price growth for new commercial homes was reported in 50 out of the NBS's statistical pool of 70 major cities. That compared to 56 cities reporting month-on-month growth in April.New home prices declined from a month ago in nine cities and stood unchanged in 11 cities, while 27 cities posted smaller monthly price gains, said the NBS.As for resold housing units, 23 cities reported second-hand home price declines month-on-month in May, up from 16 in April. Secondhand home prices stayed unchanged in 11 major cities in May from April, according to the NBS.On a year-on-year basis, the prices of new commercial homes declined in three cities, including Hangzhou and Sanya, both of which were hot spots for real estate speculation in the past. Meanwhile, 36 cities saw lower year-on-year growth, up from 29 in April, said the NBS.Secondhand home prices dropped in four cities from one year ago, while 29 cities reported declines in year-on-year price growth from April.The NBS stopped releasing overall housing prices for 70 major cities in January, citing the fact that overall price figures for the cities failed to reflect regional differences. The NBS is also using a new surveying method to determine price changes.The government has adopted various measures to cool the property market and curb rising prices, including restricting residents in major cities from buying second or third homes, requiring higher down payments for mortgages and instituting new property taxes in the cities of Chongqing and Shanghai.But there has not been a significant drop in home prices. The latest central bank survey of urban bank depositors found that more than one-third of respondents anticipated home prices would remain stable in the second half of the year.The survey, which is carried out quarterly among 20,000 urban bank depositors in 50 major cities, said 25.9 percent of respondents believed prices would continue to rise, while only 18.9 percent expected a decline.Meanwhile, the survey showed that 74.3 percent of residents said housing prices in the second quarter were "too high to afford", almost the same as during the first quarter.Experts and market observers said the Chinese property market is stagnant with home transactions remaining grim and no clear trend in prices.Yang Hongxu, an analyst with the Shanghai-based E-house China Research and Development Institute, said the May figure has continued April's downward trend in prices, but the cooling of the market will happen gradually.The NBS announced on Tuesday that property developers sold 329.32 million square meters of commercial houses nationwide in the first five months of this year, an increase of only 9.1 percent year-on-year.The NBS said that investment in the nation's property sector has maintained strong growth by rising 34.6 percent year-on-year to reach 1.87 trillion yuan (8.6 billion) in the January-May period, which might have been a result of affordable housing investment.Figures from the NBS also reflected that property developers are getting less funding from banks, as the government continued to raise borrowing costs for developers and tighten liquidity in the market.Developers obtained 580.3 billion yuan from domestic loans in the first five months, up 4.6 percent year-on-year. Meanwhile, they used 26.6 billion yuan of foreign investment in the sector, posting a year-on-year rise of 57.3 percent.

BEIJING, July 20 (Xinhuanet) -- Some U.S. soldiers returning from the Middle East have acquired constrictive bronchiolitis, a kind of lung damage virtually unknown in young adults, according to U.S. News & World Report."Respiratory disorders are emerging as a major consequence of service in southwest Asia," said study author Dr. Matthew S. King, an assistant professor of pulmonary and critical care at Meharry Medical College in Nashville, Tenn."In addition to our study, there have been studies showing increases in asthma, obstructive lung disease, allergic rhinitis and a general increase in reports of respiratory symptoms," he added. "Most of the patients say they can’t seem to catch their breath when exerting themselves."On the other hand, Anthony Szema, a physician and engineer at Stony Brook University in New York, has examined a soldier and found tiny complexes of titanium and iron in the man’s lungs, where metals can cause severe damage.Mined separately, the two metals could have gotten together only through a manufacturing process, Szema reported. While the metals’ origin is unclear, he presents a new case study, suspecting garbage-burning pits or exploding devices sent them airborne.While the cases in the study represent only a few dozen people of the hundreds of thousands serving in the Middle East, there is no estimate of how many more might have bronchiolitis.it is recommended that soldiers exercise caution in the field until more is known. Soldiers are now told to wear a mask when burning garbage.

HOUSTON, July 25 (Xinhua) -- A shelter-in-place was ordered after a battery caught fire during a testing at NASA's Johnson Space Center Monday morning.A battery was being tested inside a containment system when it got overheated and caught fire at about 9 a.m. local time, ABC quoted the Houston Fire Department (HFD) sources as reporting.A shelter-in-place was issued for a few buildings because it's believed that one of the bi-products of the combustion could be dangerous, HFD said.The fire was put out before 11:30 a.m.A firefighter was injured when a hydrant cap blew off and struck him, according to ABC.

KIEV, Aug. 2 (Xinhua) -- Ukraine's regional health authority declared Tuesday a cholera epidemic in the eastern region of Donetsk had ended.All 26 people who had been treated for the disease had been discharged from hospital, the press-service of the Donetsk Regional Sanitary and Epidemiological Service said on its official website.As of this week, no new cases had been registered, the statement said.The cholera outbreak hit eastern Ukraine in late May. The disease can cause rapid dehydration and death.The outbreak was believed to be associated with fish and drinking water supplies from the Sea of Azov.