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CAPE TOWN, Nov. 13 (Xinhua) -- The research vessel SA Agulhas has set off from Cape Town on a 10-day polar tour intended to promote dialogue on climate change, authorities confirmed on Sunday.The trip was designed to mark the 17th Climate Conference of the Parties (COP17) to be held in Durban later this month, according to the Department of Environmental Affairs.The voyage, which set off Saturday noon with scientists, academics, students and journalists aboard, would host exhibitions, symposiums and lectures from climate change scientists on the work of the polar research vessel, spokesman Zolile Nqayi said in a statement.The exhibitions and lectures would also highlight the various scientific activities undertaken by the department and its partners in Antarctica and the Southern Oceans, according to the South African Press Association (SAPA).Apart from her research and supply work, the Agulhus also helped to rescue the Magdalena Oldendorff, which became stuck in thick ice in June 2002.In December the SA Agulhas would make its final voyage to Antarctica before retirement.The Agulhas, which has been in service for 33 years, would be replaced by a new vessel under construction in Finland."She served us very well," said Dr Monde Mayekiso, deputy director general of oceans and coasts."The new vessel will have enhanced technologies and capabilities to further understand the ocean environment and to bring that understanding to an increasing number of South Africans, " he said.

BEIJING, Oct. 11 (Xinhuanet) -- Debates in the medical field developed on Monday as a U.S. government panel recommended that men of all ages should stop getting prostate cancer blood screenings.The United States Preventive Services examined all the evidence and found little if any reduction in deaths from routine P.S.A. screening and suggested that the test does more harm than good to healthy men.The P.S.A. test for prostate cancer, a blood test to screen for a protein that may indicate cancer, has become widely used because it can help detect tiny tumors at a very early sta ge, when they are theoretically most treatable.Unfortunately, according to the task force, the vast majority of the results are false-positives: the men don’t actually have cancer. And most of those found to have cancerous cells would not suffer ill effects because their cancer is so slow-growing that it would not cut short their lives. Those with faster-growing cancers may also not be helped if the cancer is extremely aggressive.After the recommendation came out last week, many prostate cancer specialists have been pushing back.Urologist Dr. Mark DeGuenther said this recommendation is more about saving money than saving lives. He said death rates from prostate cancer have dropped 40 percent since men began getting screened at age 40 and he says it will save taxpayers and patients more money in the long run to diagnose and treat cancers earlier rather than wait and have to provide expensive care for advanced stage cancers."We all agree that we've got to do a better job of figuring out who would benefit from P.S.A. screening," said Dr. Scott Eggener, a prostate cancer specialist at the University of Chicago. "But a blanket statement of just doing away with it altogether ... seems over-aggressive and irresponsible."Dr. Deepak Kapoor, chairman and chief executive of Integrated Medical Professionals, which includes the nation's largest urology practice, said "We will not allow patients to die, which is what will happen if this recommendation is accepted."That task force's recommendation isn't final - it's a draft open for public debate. And obviously the debate is already under way.

ULAN BATOR, Dec. 1 (Xinhua) -- Mongolia will continue to curb the spread of HIV and strive to maintain a low prevalence of the AIDS epidemic, a government official said Thursday.Gansukh Battulga, an official with the National Committee on AIDS, told Xinhua that Mongolia is currently an HIV low-prevalence country with a total of 99 people, 15 of whom have died, infected with the virus that causes AIDS."Among the 99 HIV infected cases, 81 percent are men, and the remaining 19 percent are women," Battulga said. "Among the male infected cases, 83 percent belong to MSM (men who have sex with men) group while sex workers account for 54 percent of the female infected cases."The official said the government has launched a variety of programs and tasked the National Committee on AIDS to coordinate all organizations in fighting the epidemic.According to a National Strategy Plan for 2010-2015, Mongolia will strive to maintain its current low HIV-prevalence rate of below 5 percent in the most-at-risk population.

SHIJIAZHUANG, Oct. 16 (Xinhua) -- Chickens began being domesticated in China about 8,000 years ago, far earlier than in the rest of the world,according to a recent study on fossils uncovered in north China's Hebei Province.Archaeologists said they had unearthed 116 fossil specimens from 23 types of animals, including pig, dog, chicken, tortoise, fish, and clam, at the Cishan Site, a Neolithic village relic in the city of Wu'an.Several bone fragments were identified to be from domesticated chickens, said Qiao Dengyun, head of the Handan Municipal Institute of Cultural Relics and Archaeology."The chicken bones found at Cishan are slightly larger than wild jungle fowls, but smaller than that of a modern domesticated chicken," said Qiao.Qiao said the bone fossils date back to 6,000 BC, earlier than the oldest domesticated chicken previously discovered in India that dated back 4,000 years."Most of the bones were from cocks, indicating that ancient residents used the practice of killing cocks for their meat and raising hens for their eggs," said Qiao.The Cishan Site, which dates back 10,000 years, was first discovered in the 1970s. At the site, experts have found remnants of China's oldest cultivated millet as well as walnut shells, a discovery that challenged the popular belief that walnuts had been brought to China from what is now Xinjiang Uygur Autonomous Region and Central Asia.

BEIJING, Nov. 25 (Xinhua) -- The BRICS members should make joint efforts to help ease tension in the Middle East and support the region's countries in carrying out political transition and social reconstruction on their own, Chinese Foreign Ministry spokesman Liu Weimin said Friday.Liu made the remarks at a daily press briefing, after Vice Foreign Minister Zhai Jun attended a deputy foreign ministers' conference of the BRICS in the Russian capital of Moscow on Thursday.The BRICS countries' enhanced communication and coordination, joint maintenance of the basic principles of international law, and opposition to foreign armed interference in the region are in line with the common interests of Middle East countries and the international community, Liu said."China will make concerted efforts with the international society, including BRICS members, to make constructive contribution to the Middle East's peace, stability and development," Liu said.The spokesman quoted Zhai Jun as saying at the Moscow conference that the Middle East's situation has a significant impact on international politics, economy and security in addition to the impact on the political and social situations in the region.It conforms with the common interests of the region's countries and the international community for the Middle East to be politically open and inclusive, independent in foreign policy, sustainable in economic development, and peaceful and stable in security matters, Zhai was quoted as saying.Liu Weimin said a joint communique was issued at the Moscow conference. The communique called on various parties to respect the state sovereignty and territorial integrity of the Middle East countries, have extensive dialogues by peaceful means, and make active efforts to seek solutions to the crisis.The BRICS members oppose the interference in the Middle East countries' internal affairs by foreign forces, advocate the positive role of the United Nations Security Council, and urge various parties to strictly observe the authorization of the UN Security Council, according to Liu.BRICS is an acronym for Brazil, Russia, India, China and South Africa.

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