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SAN FRANCISCO, June 28 (Xinhua) -- Google Android chief Andy Rubin said on Tuesday that the activations of Android-powered devices are growing at a rate of 4.4 percent on a weekly basis, with over 500,000 devices activated each day worldwide."There are now over 500,000 Android devices activated every day, and it's growing at 4.4 percent w/w," tweeted Rubin, Google's Senior Vice President of Mobile who oversees the development of Android, the open-source operating system for smartphones.Last month, Google said at its annual developer conference Google I/O that 400,000 Android devices were being activated each day, compared with 300,000 daily activations in December and 100, 000 in May 2010.More research data have shown Android system's soaring market share and popularity. Earlier this month, Internet market research company ComScore reported that Android remained the No. 1 smartphone operating system in the United States over the three months ending in April. The system captured 36.4 percent of U.S. smartphone subscribers, while Apple's iOS system for iPhone had 26 percent of all smartphone users.In April, market research company Gartner said in a forecast that the Android operating system will own 49.2 percent of the global smartphone market and Apple's iOS will have an 18.9-percent share in the second place.

BEIJING, June 12 (Xinhua) -- A senior Chinese official has called the country's police to better serve the people when the Communist Party of China (CPC) is meeting the 90th founding anniversary.Zhou Yongkang, member of the Standing Committee of the Political Bureau of the CPC Central Committee, made the remark on Sunday evening in meeting with top 10 favorite police officers selected through a nationwide vote.The Ministry of Public Security (MOPS) and the China Central Television have jointly conducted My Favorite Police Officer Competition in the past eight years.This year's winners include 75-year-old detective Wu Guoqing, network security police officer Li Qing from Jiangsu Province, traffic police officer Wu Hao of Miao Nationality from Hunan Province, female SWAT team leader Pan Qin from Guizhou Province.Zhou said that this year's competition attracted more than 150 million online voters which means more and more people are supporting the activity, and all winners should cherish the honor and better serve the people on their own posts.The official called on police officers around the country to learn from the 10 favarite officers and other winners in the competition who have all made outstanding contribution to the security of the people and society.

BEIJING, July 5 (Xinhuanet) -- A new study showed that environmental factors may play a larger role in the development of autism than previously recognized, according to media reports on Tuesday.The new study in the Archives of General Psychiatry looked at 192 pairs of twins in California. It found autism was surprisingly common in fraternal twins, despite the fact that they don’t share as many of the same genes as identical twins, suggesting that something in their mutual life circumstances may be playing at least as strong a role as genetics.The study, which will likely be followed up with similar studies of twins and other siblings, could  force a dramatic swing in the focus of research into the developmental disorder.“It looks like some shared environmental factors play a role in autism, and the study really points toward factors that are early in life that affect the development of the child,” said study researcher Joachim Hallmayer, MD, an associate professor of psychiatry at Stanford University in California.

BEIJING, Aug. 10 (Xinhuanet) -- A new technology can tell pregnant women whether they're having a boy or girl as early as seven weeks into a pregnancy -- months earlier than usual, according to media reports Wednesday.The technology works by detecting "cell-free fetal DNA," or DNA from the fetus, which floats freely in a pregnant woman's blood, said author Diana Bianchi of the Tufts University School of Medicine in Boston. Her analysis of 57 studies from peer-reviewed medical journals showed that these blood tests, common in Europe but not in the U.S. can reveal a fetus' sex only a week or two after a pregnant woman misses her period. Women usually learn the fetus' sex through an ultrasound at 18 to 20 weeks.The technology will help families worried by having a child with rare genetic disorders that typically affect only boys, such as hemophilia or a type of muscular dystrophy, said Joseph Biggio, director of the Trimester Genetics Screening Clinic at the University of Alabama-Birmingham.If they're having a girl, however, they can stop worrying, he added, and avoid further invasive tests, which can provide a definitive answer about genetic disorders, but also increase the risk of miscarriage. Women who learn they're carrying boys would still need a definitive test, such as an amniocentesis, to find out if their fetus is affected.