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LOS ANGELES, May 23 (Xinhua) -- NASA's Gravity Recovery And Interior Laboratory spacecraft (Grail) will begin final preparations for a launch on a Moon mission in late summer, the Jet Propulsion Laboratory (JPL) said on Monday.The dynamic duo will orbit the moon to determine the structure of the lunar interior from crust to core and to advance understanding of the thermal evolution of the moon, according to JPL in Pasadena, Los Angeles.After arriving at the Astrotech payload processing facility in Titusville, Florida last week, the Grail twins, known as Grail-A and Grail-B, were removed from their shipping containers Monday. Later this week, they will begin functional testing to verify their state of health, said JPL.The twins were shipped from Lockheed Martin Space Systems, Denver.Over the next four months at the Astrotech facility, the spacecraft will undergo final testing, fueling and packaging in the shroud that will protect them as the Delta II launch vehicle lifts them into space. The spacecraft will then be transported to the Cape Canaveral Air Force Station for installation atop the rocket that will carry them toward the moon, JPL said."We're only a few full moons away from a mission that will reveal clues not only into the history of the moon and Earth, but will provide important data for future lunar exploration," said Maria Zuber, Grail's principal investigator, based at the Massachusetts Institute of Technology.Grail will be carried into space aboard a United Launch Alliance Delta II Heavy rocket lifting off from Launch Complex-19 at the Cape Canaveral Air Force Station in Florida. The launch period opens Sept. 8, 2011, and extends through Oct. 19. For a Sept. 8 liftoff, the launch window opens at 5:37 a.m. PDT (8:37 a.m. EDT) and remains open through 6:16 a.m. PDT (9:16 a.m. EDT).Grail-A and Grail-B will fly in tandem orbits around the moon for several months to measure its gravity field in unprecedented detail.The mission will also answer longstanding questions about Earth' s moon, and provide scientists a better understanding of how Earth and other rocky planets in the solar system formed, according to JPL, which manages the Grail mission.

BRASILIA, April 26 (Xinhua) -- A survey conducted by Brazil's Ministry of Health showed Tuesday that half of Brazilians aged over 55 have hypertension.According to the research, which has been carried out annually since 2006, the proportion of Brazilians diagnosed with hypertension increased over the past five years, from 21.6 percent in 2006 to 23.3 percent in 2010.Besides, the diagnosis of hypertension is higher among women (25.5 percent) than men (20.7 percent). But in both sexes, the older people are, the more common the disease becomes, the ministry reported.The ministry also said that, to address the problem, the Brazilian government distributes free medicines to control blood pressure, since 80 percent of Brazilians who suffer from hypertension depend on the public health system.The Ministry of Health signed on April 7 an agreement with the food industry, aiming to reduce salt in processed food.If hypertension is left untreated, some complications including clogged arteries, stroke and myocardial infarction will bring patients more troubles.

SAN FRANCISCO, April 8 (Xinhua) -- YouTube on Friday launched YouTube Live, a homepage for live content on the site and a new live-streaming platform.As part of the service, the world's largest video-sharing website introduced a new browse page, www.youtube.com/live, where users can view live events and add upcoming events to their calendars.YouTube said it would gradually roll out a live streaming beta platform, which will allow certain YouTube partners with accounts to stream live content on the website.The new service will "integrate live streaming capabilities and discovery tools directly into the YouTube platform for the first time," YouTube said in a blog post.U.S. media recently reported that YouTube is planning a major overhaul and is negotiating with Hollywood and music producers for materials to offer on a lineup of new channels, with the aim to compete with broadcast and cable television.

BEIJING, May 19 (Xinhuanet) -- LinkedIn said Wednesday that its stock will debut at 45 U.S. dollars per share, a higher price than the company was expecting even earlier this week, media reports said.The first major U.S. social networking firm to go public, LinkedIn jacked up its initial public offering (IPO) share price for 7.84 million shares to 45 dollars just a week after it first set a target of 32-35 dollars per share.It minted LinkedIn with a market value of more than 4 billion dollars, the highest for a U.S. Internet company taking its first bow on Wall Street since Google Inc. went public nearly seven years ago.The sale could bring in more than 354 million dollars. The company's shares are expected to begin trading on the New York Stock Exchange on Thursday under the symbol "LNKD".LinkedIn has more than 100 million members in over 200 countries and territories. In 2010, the company made 15 million dollars in profit on 243 million dollars in revenue, according to its SEC filing.LinkedIn's biggest shareholder is its founder and chairman, Reid Hoffman, who owns more than 21 percent of the company.

BEIJING, Feb. 21 (Xinhua) -- China's top leading body Monday pledged to prevent wild swings in the economy, while warning that the economic situation in 2011 would be complicated.The country should maintain stable and consistent macro-economic policies while improving accuracy, flexibility and efficiency of the policies, the Political Bureau of the Communist Party of China (CPC) Central Committee decided at a meeting presided over by President Hu Jintao, who is also General Secretary of the CPC Central Committee.Officials at the meeting were urged to "remain sober, be aware of difficulties, and work hard to fulfill the tasks this year so as to create a good beginning for the 12th Five-Year Program (2011-2015)."The top echelon of leadership reassured that China would continue an active fiscal policy and prudent monetary policy, while trying to balance steady economic growth with economic restructuring and control of inflationary expectations."It is necessary to maintain stable commodity prices, expand domestic consumption, increase investment in agriculture, speed up industrial restructuring, promote education and development of science and technology, and improve people's livelihoods and cultural services," the Political Bureau of the CPC Central Committee urged at the meeting.It also reiterated the importance of making great efforts to expand reforms in key sectors, advance the cause of opening-up, while intensifying endeavor to build a clean government and fight corruption.Members of the Political Bureau of the CPC Central Committee also discussed the drafts of the government work report and the 12th Five-year Program, or the national development plan for 2011 to 2015.The two documents will be submitted to the top legislature for discussion and approval at its forthcoming annual session in March.The period from 2011 to 2015 will be critical for China which wants to build a well-off society, said a statement from the meeting.In the next five years, in a bid to meet Chinese people's expectations for a better life, China will stick to scientific development by focusing on accelerated transformation of its way of economic growth while deepening the reform and opening-up, guaranteeing and improving people's livelihoods, according to the statement."It is necessary to solidify and boost China's success in outperforming other countries in dealing with the international financial turmoil, and advance the economy to grow at a faster and steady pace for a long time while guaranteeing social harmony and stability," the statement said.Great efforts should also be made to develop social services, advance the cause of conserving energy and resources, protecting the environment in a down-to-earth manner, as well as keep intensifying the drive to enhance reform of the government, the statement said.

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