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BEIJING, Oct. 20 (Xinhuanet) -- A Teenager's intelligence is not fixed as usually thought. Instead, it can go through swings in a few years, according to a British study reported online in Nature.Teenagers' IQ can rise or fall 20 points over time, researchers from Wellcome Trust Centre for Neuroimaging of Kings College, showed in their study.IQ (short for "intelligent quotient") is an gauge of mental capability measured through a series of standardized tests of language skill, spatial ability, arithmetic, memory and reasoning.To get the findings, Cathy Price, senior researcher of the study, and her colleagues tested 33 British teenagers between the ages of 12 to 16 in 2004, who had average IQ scores around 100. Then the teenagers were retested four years later.The researchers found the volunteers' IQ scores went up and down over the four years, with some teenager's scores rising by as many as 20 points, and others' dropping by the same points."That is quite astounding," cheered psychologist Robert Plomin from the same university but not involved in the study. Dr. Price and her colleagues don't know the causes of such fluctuations in the scores they tested, but speculate that learning experiences might account the changes, reported by the Wall Street Journal Today. "We have to be careful not to write off poorer performers at an early stage when in fact their IQ may improve significantly given a few more years," stated Dr. Price cited by the Huffington Post.

ALMATY, Nov. 4 (Xinhua) -- Kazakhstan's Center for Prevention and Control of AIDS said Friday that the country had 17,266 registered HIV carriers as of Oct. 1,compared with 15,908 as of Feb. 1, 2010.Of the HIV-positive people, 1,432 were diagnosed with AIDS while 1,110 people carrying the virus AIDS have died, the center said.Last year, it said, a total of 1,969 new HIV cases were reported in the country.

BRUSSELS, Oct. 7 (Xinhua) --- The European Commission on Friday gave the green light to Microsoft's acquisition of voice and video communication provider Skype, thus removing the last hurdle in the process.According to a statement released by the Commission, "the deal would not significantly impede effective competition in the European Economic Area (The EU plus Iceland, Lichtenstein and Norway) or any substantial part of it."The Commission explained that it found that in the area of consumer communications, the parties' activities overlap in video communications, where Microsoft is active through its Windows Live Messenger.However, the Commission considered that there were no competition concerns in this growing market where numerous other players, including Google, were present.Skype was bought by eBay in 2005 at the price of 4.1 billion U.S. dollars, and sold out at 2.75 billion U.S. dollars in 2009. Microsoft declared to take over Skype at a cost of 8.5 billion dollars on May 10, 2011.

HANOI, Oct. 7 (Xinhua) -- Vietnam in cooperation with the United Nations Development Program (UNDP) and the Food and Agriculture Organization (FAO) organized a workshop here on Friday to finalize implementations in Phase 2 of the UN-Vietnam Joint Program to fight against Highly Pathogenic Avian Influenza (HPAI) during 2007-2011.The workshop is not only to review the achievements but also from that, Vietnam hopes to receive more supports from the UN agencies, said Bui Ba Bong, Vietnamese vice minister of Agriculture and Rural Development.According to the report, so far, Vietnam's project on prevention of HPAI has basically achieved the targets in terms of making plans, policies and strategies for the veterinary sector, assessing the impacts of destruction of poultry to the environment, controlling pandemic, and supporting vaccine inoculation, quarantine and control of the infected animals, said Bong.Vietnam showed great efforts in responding and preventing H5N1 pandemic during its occurrence in 2005-2006, evaluated UN agencies.In Phase 2, Vietnam achieved positive results in controlling and reducing the impacts of the pandemic, and promoting bio- security in livestock breeding. Therefore, UN pledged to continue assisting Vietnam in the future.The UN-Vietnam joint program to fight HPAI was designed to meet the needs of emergency assistance to control the avian and human influenza.Total fund of the program is 25 million U.S. dollars, of which over 18 million U.S. dollars was approved for Phase 2.

BEIJING, Dec. 12 (Xinhua) -- A Foreign Ministry spokesman said on Monday that China welcomes the EU's new measures for coping with the European sovereign debt crisis worked out at the recently-concluded EU summit."We hope relevant measures can help stabilize the market, boost confidence in the market, stop the crisis from worsening, promote employment and economic growth, and push forward European integration," Foreign Ministry Spokesman Liu Weimin said at a routine press briefing.Last Friday at the summit in Brussels, EU leaders agreed on establishing a new "fiscal compact" based on inter-governmental treaties rather than the expected EU treaty changes. Britain opted out of the compact.Under the fiscal compact, member states will have to submit their draft budgetary plans to the European Commission, the EU's executive arm.As world's largest economy, the stable and healthy growth of the European Union and the Eurozone will be crucial to maintaining the momentum of recovery in the world economy, Liu said.China will maintain its support for EU integration, and continue to back the EU's efforts in combating the debt crisis in various ways, so as to jointly promote the stability of the international financial market and the recovery and growth of the world economy, he said."We are confident in Europe and the Eurozone, and believe that the EU has the ability and wisdom to resolve the sovereign debt crisis," Liu said.