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UNITED NATIONS, Feb. 11 (Xinhua) -- China Friday urged the United Nations and Security Council to give more attention to Africa and called on the international community to provide greater support to the region in order to maintain peace and security. Addressing an open debate of the UN Security Council on the interdependence between security and development, Li Baodong, China's permanent representative to the UN said the inter-linkages between peace and development are most pronounced in Africa. There will be no world prosperity and stability without peace and development in the region. He called on the international community to provide greater support and more assistance to regional countries, AU and other regional and subregional organizations to maintain African peace and security. Li stressed that security and development are mutually linked and reinforcing. To safeguard peace and promote development, the international community should increase development input and eradicate root causes of conflicts. "Poverty and underdevelopment are the major causes for triggering conflicts and breeding terrorism. The developed countries should further increase its development aid, provide debts relief to developing countries, open up markets, transfer technology and help the developing countries to achieve the Millennium Development Goals as soon as possible." Li said development can be anchored only in an environment free from war and turbulence. The UN and Security Council should vigorously promote peaceful culture, encourage and support peaceful resolutions to disputes through dialogue, consultations and good offices. In addition, greater emphasis should be given to peacebuilding so as to prevent relapse into conflicts. "In post-conflict countries and regions, simultaneous progress should be made in the fields of politics, security and development throughout development and reconstruction process, " said Li. "Capacity building should be prioritized in the post-conflict countries to enhance governance, provide basic services, advance development and reconstruction so that the people could enjoy peaceful 'dividend' quickly. This is conducive to consolidating political reconciliation process and stabilizing post-conflict situations, " he said.

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified a human lung stem cell that is self-renewing and capable of forming and integrating multiple biological structures of the lung. This research will be published Thursday in the New England Journal of Medicine."This research describes, for the first time, a true human lung stem cell. The discovery of this stem cell has the potential to offer those who suffer from chronic lung diseases a totally novel treatment option by regenerating or repairing damaged areas of the lung," said the study's corresponding author Piero Anversa, who is also director of the Center for Regenerative Medicine at the hospital.Using lung tissue from surgical samples, researchers identified and isolated the human lung stem cell and tested the functionality of the stem cell both in vitro and in vivo. Once the stem cell was isolated, researchers demonstrated in vitro that the cell was capable of dividing both into new stem cells and also into cells that would grow into various types of lung tissue. Next, researchers injected the stem cell into mice with damaged lungs. The injected stem cells differentiated into new bronchioles, alveoli and pulmonary vessel cells which not only formed new lung tissue, but also integrated structurally to the existing lung tissue in the mice.The researchers define this cell as truly "stem" because it fulfills the three categories necessary to fall under stem cell categorization: first, the cell renews itself; second, it forms into many different types of lung cells; and third, it is transmissible, meaning that after a mouse was injected with the stem cells and responded by generating new tissue, researchers were then able to isolate the stem cell in the treated mouse, and use that cell in a new mouse with the same results."These are the critical first steps in developing clinical treatments for those with lung disease for which no therapies exist. Further research is needed, but we are excited about the impact this discovery could have on our ability to regenerate or recreate new lung tissues to replace damaged areas of the lungs," said Joseph Loscalzo, chair of the Department of Medicine at BWH and co-author.

NEW YORK, March 9 (Xinhua) -- The U.S. stocks dropped on Wednesday, the two-year anniversary of the beginning of a bull market, as concerns of oil prices and Middle East unrest continued to weigh on investors' minds.U.S. crude oil price dipped on Wednesday as crude inventories rose more than expected, though Brent crude rose on fears caused by continued violence in Libya.Meanwhile, Rex Tillerson, the CEO of energy giant Exxon Mobil Corp., said on Wednesday that he didn't think the recent jump in oil prices was hurting the U.S. economy just yet, but it's getting close.The market was worrying that the surging oil prices would hurt global economic recovery. Adding to those concerns, the Portuguese government's two-year cost of borrowing hit the highest level since it joined the eurozone in a bond auction on Wednesday.Wednesday marked the two-year anniversary of the beginning of a bull market. On March 9, 2009, the Dow Jones Industrial Average closed at 6,547 and the Standard & Poor's 500 Index closed at 677. The Dow is back above 12,000 now and the S&P 500 index has almost doubled.Meanwhile, the wholesale report was slightly positive, but still failed to boost the market. According to the U.S. Commerce Department, the wholesale inventories climbed 1.1 percent in January. Sales at the wholesale level rose 3.4 percent, the largest gain since November 2009.Economists expected that as businesses kept expanding, demands for products would continue to grow. And larger sales may also encourage businesses to keep restocking their shelves and boost factory production.According to the report, a 10.6-percent rise in demand for petroleum helped lift sales, reflecting higher oil and gas prices.While some investors were concerned that surging oil prices might have a negative impact on economy, some others believed the boost in sales and inventories in January hinted that the economy could withstand the impact.The Dow Jones industrial average lost 1.29 points, or 0.01 percent, to 12,213.09. The Standard & Poor's 500 Index was down 1. 80 points, or 0.14 percent, to 1,320.02. The Nasdaq declined 14.05 points, or 0.51 percent, to 2,751.72.

JOHANNESBURG, March 8 (Xinhua) -- In order to combat piracy and to improve maritime safety, South African authorities have begun using a sophisticated navigation satellite system, it was announced on Tuesday.Piracy, especially by Somalis, has been increasing along Africa east coast in recent years. The South African Press Association (SAPA) reported on Tuesday that Karl Otto, head of the South African Maritime Safety Authority (SAMSA) announced the surveillance tool at a conference in Durban.Called Long Range Identification and Tracking (LRIT), the system monitors and tracks vessels in waters south of the equator.Otto said the introduction of the LRIT followed concerns over the safety of seafarers, the safety standards of ships within South African waters.Otto said there were high levels of cargo at risk, such as fuels and oils.He said reasons for installing the system included the number of shipwrecks along the South African coast, and the threat of pollution of the marine environment by ships."It also serves as a mechanism to prevent piracy."Otto said the satellite system has the capacity to identify and track vessels up to 1,000 nautical miles (1,850 km) from the South African coastline as well as South African-flagged vessels anywhere in the world."This is a revolutionary development in the security of our seas," he said.SAMSA was determined to protect South Africa's seafarers, its coastline and the marine environment, Otto said.

UNITED NATIONS, April 7 (Xinhua) -- To celebrate the 50th anniversary of the first human space flight, accomplished on April 12, 1961 by Soviet cosmonaut Yuri Gagarin, the Russian Permanent Mission to the United Nations, the Russian Federal Space Agency and the ITAR-TASS information agency organized an exhibition which was opened here on Thursday."The first human space flight is not one of the most significant events of the past century, but of human history in general," Vitaly Churkin, the Russian permanent representative to the UN, said at the opening ceremony."It's a symbol of courage, thirst for knowledge, and progress," Churkin said.The exhibition contained archival photos telling the story of the first human space flight and of those who made it possible, and historic pictures of Gagarin.As part of the celebration of human space flight's 50th anniversary the UN Postal Administration designed postal stamps which will be issued on April 12, to tell the story of progress that humankind has made beyond earth's boundaries, as Kiyo Akasaka, Under-Secretary-General for Communications and Public Information put it."Fifty years have passed since that amazing voyage, but the legend of Gagarin's courage and journey to the 'final frontier' continues to be a source of inspiration for space exploration for peoples and nations around the world," Akasaka said at the opening of the exhibition.According to Akasaka, the exhibition "sparks people's imagination about what is possible through the peaceful use and exploration of outer space."Other attendees included Russian cosmonaut Oleg Kotov.Gagarin, also known as the Columbus of the Cosmos, traveled into outer space on the height of the Cold War when the Berlin Wall was built, at a moment when it was hardly impossible to imagine that more than 15 nations would work together in humanity' s permanent space outpost -- the International Space Station.The Russian icon of space spoke the historic words "the earth is blue, how wonderful. It is amazing."On Thursday the UN General Assembly adopted a resolution declaring April 12 as the International Day of Human Space Flight.