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MOSCOW, Jan. 24 (Xinhua) -- China and Russia held the fifth round of strategic security talks here Monday, pledging more joint efforts to strengthen national, regional and international security.The Chinese delegation, led by Chinese State Councilor Dai Bingguo, was visiting Russia at the invitation of Russian Security Council Secretary Nikolai Patrushev.During the talks, the two parties exchanged views on major international issues and the further development of strategic partnership and interaction between Russia and China.Both sides agreed that their close bilateral cooperation on global issues has helped maintain regional and world peace, safety and stability.The two countries acknowledged that in order to further enhance strategic mutual trust and improve the security situation around the global, the two sides should chart the development of Sino- Russian relations for the next 10 years from a strategic and comprehensive perspective.As long-time strategic partners, Russia and China will adhere to the principles of mutual trust, win-win cooperation and good neighborliness while conducting strategic coordination, the two sides pledged.The fourth round of Sino-Russian security consultations took place in Beijing in December 2009, when Russia and China signed a protocol on cooperation in the strategic security sphere. The next round of talks is scheduled to be held later this year in China.

LOS ANGELES, April 17 (Xinhua) -- Global warming will melt all the ice in the Arctic Ocean every summer, raising earth temperatures even further, researchers at the University of California-Los Angeles (UCLA) warned.The findings, available online Sunday in the April issue of Earth and Planetary Science Letters, a leading journal in geoscience, were based on analysis of the fossilized remains of four-million-year-old mollusks, they said.Two novel geochemical techniques used to determine the temperature at which the mollusk shells were formed suggest that summertime Arctic temperatures during the early Pliocene epoch (3.5 million to 4 million years ago) may have been a staggering 18 to 28 degrees Fahrenheit warmer than today, the researchers said.And these ancient fossils, harvested from deep within the Arctic Circle, may have once lived in an environment in which the polar ice cap melted completely during the summer months, according to the researchers.Such balmy polar weather would certainly melt all the ice in the Arctic Ocean every summer, said Aradhna Tripani, an assistant professor at the UCLA's departments of Earth and space sciences."Our data from the early Pliocene, when carbon dioxide levels remained close to modern levels for thousands of years, may indicate how warm the planet will eventually become if carbon dioxide levels are stabilized at the current value of 400 parts per million," she said.The earth's temperature was raised five to nine degrees Fahrenheit merely by the absence of year-round Arctic ice, according to Tripani.The results of the study lend support to assertions made by climate modelers that summertime sea ice may be eliminated in the next 50 to 100 years, which would have far-reaching consequences for Earth's climate, she said."The Intergovernmental Panel on Climate Change identifies the early Pliocene as the best geological analog for climate change in the 21st century and beyond," said Tripati. "The climate-modeling community hopes to use the early Pliocene as a benchmark for testing models used for forecasting future climate change."

SAN FRANCISCO, April 7 (Xinhua) -- Google's Android will become the most popular smartphone operating system worldwide and will account for 49 percent of the market by 2012, IT research and advisory firm Gartner said Thursday.According to Gartner's projections, worldwide smartphone sales will reach 468 million units in 2011, a 57.7 percent increase from 2010.The company predicts that Apple's iOS will remain the second biggest platform worldwide through 2014 although its share will decrease slightly after 2011, on the assumption that "Apple will be interested in maintaining margins rather than pursuing market share by changing its pricing strategy."Microsoft's Windows, driven by its partnership with Nokia, is expected to move into the mid-tier by the end of 2012 and become the third largest in the worldwide ranking by 2013.Some analysts raised doubts on Gartner's forecasts, saying that its assumption on Apple's price strategy contradicts statements by Apple's chief operating officer Tim Cook and the cooperation between Nokia and Microsoft will not have that much of an impact on smartphone market share by 2012.

HARARE, Feb. 9 (Xinhua) -- The two-day visit to Zimbabwe by Chinese Foreign Minister Yang Jiechi starting Thursday is an endorsement of relations between the Southern African country and China, local figures told Xinhua.Former Zimbabwean ambassador to China Chris Mutsvangwa said in an interview on Tuesday that Yang's visit will also boost economic relations between the two countries."The visit of a foreign minister is a big banner announcement to say that relations between Zimbabwe and China are reaching for a new level," he said."This is a visit which will mark a new diplomatic high watermark in Zimbabwe's international relations because to get the visit of an important and emerging super-power like China with such economic clout is a big vote of confidence on the part of Zimbabweans who have been pummeled by sanctions" imposed by the West.Yang, who will make the visit at the invitation of Zimbabwean Foreign Minister Simbarashe Mumbengegwi, is scheduled to meet President Robert Mugabe and other senior government officials.Mutsvangwa said the Chinese veto at the United Nations in 2008 was "a landmark diplomatic decision where it basically saved Zimbabwe from punitive sanctions instigated by an irate and sulky former colonial power.""So, now this visit will give an opportunity for Zimbabweans tofinally thank China for this act. But more important, cooperation in the economic field is beginning to gather pace because we have crossed the diplomatic and political travails which have been going on in the last 10 years and come out more united because the Chinese veto also enabled Zimbabweans to find accommodation among themselves and led to the GNU and GPA," Mutsvangwa said.China, together with Russia, vetoed the British initiative for full-scale UN sanctions against Zimbabwe, saying the Southern African Development Community (SADC) and the African Union (AU) should be given a chance to resolve the country's political problems.A SADC-driven initiative led to a Government of National Unity (GNU) following the signing of the Global Political Agreement (GPA) between Mugabe and then rivals Prime Minister Morgan Tsvangirai and Deputy Prime Minister Arthur Mutambara."So there is more national unity now among Zimbabweans. It is an opportune moment for us to tighten our relations with China so that we can explore cooperation in the more rewarding material areas of agriculture, mining, tourism and industrialization."There is clearly a lot of scope for cooperation between Zimbabwe and China so that Zimbabwe can quicken its modernization pace taking advantage of the stellar achievements of the Chinese in the above areas," Mutsvangwa said.He cited areas such as telecommunications, international logistics and the internet as being led by the Chinese.China Tobacco has also been on the fore-front reviving tobacco farming in Zimbabwe for the past five years.Mutsvangwa said shortages in the global cotton sector could spur better trade relations between the two countries and lead to more opportunities for Zimbabwean farmers.

WASHINGTON, May 17 (Xinhua) -- A variation in a gene involved in regulating cholesterol in the bloodstream also appears to affect progesterone production in women, making it a likely culprit in a substantial number of cases of their infertility, a new study from Johns Hopkins University researchers suggests.The Hopkins group has also developed a simple blood test for this variation of the scavenger receptor class B type 1 gene ( SCARB1) but emphasized there is no approved therapy yet to address the problem in infertile women.Following up studies in female mice that first linked a deficiency in these receptors for HDL -- the so-called "good" or " healthy" cholesterol -- and infertility, researchers report finding the same link in studies of women with a history of infertility.The findings has been published on-line this week in the journal Human Reproduction.If the new study's findings hold up on further investigation, the John Hopkins team says they not only will offer clues into a genetic cause of some infertility, but could also lead to a treatment already shown to work in mice."Infertility is fairly common and a lot of the reasons for it are still unknown," warns endocrinologist Annabelle Rodriguez, an associate professor of medicine at the Johns Hopkins University School of Medicine and the lead author. "Right now, the benefit of this research is in knowing that there might be a genetic reason for why some women have difficulty getting pregnant. In the future, we hope this knowledge can be translated into a cure for this type of infertility."

来源：资阳报