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WASHINGTON, May 20 (Xinhua) -- Two U.S. astronauts conducted the first of four spacewalks for space shuttle Endeavour's STS-134 mission on Friday morning, the U.S. National Aeronautics and Space Administration (NASA) said.According to the U.S. space agency, Endeavour's mission specialists Andrew Feustel and Greg Chamitoff completed the six-hour, 19-minute spacewalk at 9:29 a.m. EDT (1329 GMT). They successfully installed antennas for the External Wireless Communication system, routing cables, setting up the antenna, installing handrails, and connecting power cables.Because of a carbon dioxide sensor failure in Chamitoff's spacesuit, flight controllers limited his spacewalk time to about six hours 20 minutes, 10 minutes less than the planned six hours and 30 minutes. There was no indication his suit's carbon dioxide levels would rise. However, they deferred tasks to remove a micrometeoroid debris shield to access and attach some of the connection points.This was the 245th spacewalk conducted by U.S. astronauts. It was Feustel's fourth spacewalk for a total time of 27 hours and 17 minutes, and Chamitoff's first.Endeavour lifted off on Monday morning from Kennedy Space Center in Florida, to deliver to the International Space Station a 2-billion-dollar, multinational particle detector known as the Alpha Magnetic Spectrometer (AMS).AMS, a particle physics detector, is designed to search for various types of unusual matter by measuring cosmic rays. Its experiments are designed to help researchers study the formation of the universe and search for evidence of dark matter, strange matter and antimatter.

BEIJING, March 24 (Xinhuanet) -- Mozilla's newly launched Firefox 4 Web browser was downloaded nearly 7 million times worldwide in the first 24 hours, according to media reports.The number was almost triple the 2.4 million downloads that Microsoft reported in the first 24 hours after the Internet Explorer 9 (IE9) was released.Nevertheless, the number lagged behind the record-breaking performance of Firefox 3, which was downloaded more than 8 million times in the first day after launch in mid-2008.Statistics show that Firefox 4 has attracted interest from around the world, with 44 percent downloads in Europe, 26 percent in North America. and 20 percent in Asia.Mozilla launched Firefox 4 on Tuesday at around 10:00 a.m. EDT to compete with Microsoft's IE9 and Google Chrome.The new Web browser was originally scheduled to ship last November, but bugs delayed the release into early this year.Firefox trumped IE9 in the first day download contest because it runs on Windows XP, the 10-year-old operating system that IE9 doesn't support.

BEIJING, Feb. 14 (Xinhua) -- A recent circular of China's film and television watchdog to cut smoking scenes in films and TV dramas has received welcome from supporters of tobacco control.Xu Guihua, deputy head of China Association on Tobacco Control (CATC), a non-profit organization, said the order of the State Administration of Radio, Film and Television (SARFT) demonstrates government determination to protect public health rights."Frequent smoking scenes in films and TV dramas do not accord with China's stance on tobacco control and mislead the public, especially the youth," said the SARFT in a recent circular.Tobacco brands or signs and smoking scenes with juveniles present should not be allowed to appear in films or TV dramas, it said, adding that scenes which have to show smoking should "last as short as possible."Hailing the order, Xu said the communication through media including movies and TV is among those factors that can influence people's attitude toward smoking.Deng Haihua, a spokesman with China's Ministry of Health, also said the SARFT's move will help prevent people, especially the young, from being misled by smoking scenes on screens.In a survey report issued in August 2010, the CATC said it found smoking scenes in 31 movies and 28 TV series after monitoring 40 Chinese movies and 30 local TV series.Another survey by Beijing Municipal Center for Disease Control and Prevention also showed students tend to follow the fashion after seeing actors smoke on TV or in films.China has more than 300 million smokers and 540 million more suffering from secondhand smoke.What is especially worrisome is that 11.5 percent of the country's juvenile smoke and the ratio is even increasing, according to experts.

BEIJING, Feb. 26 (Xinhua) -- China's Ministry of Education said Friday that 34.29 million students graduated from the country's higher-learning institutions between 2006 and 2010.Xu Mei, the ministry's spokeswoman, said the number is even more than that of the graduates in the 20 years prior to 2006 combined."During the 11th five-year plan period (2006-2010), higher education has become even more accessible to the general public. Higher-learning institutions provide a strong support of brain power and human resources to the social and economic development," Xu said.The "Outline of China's National Plan for Medium and Long-Term Education Reform and Development (2010-2020)," which was publicized last year, says "the strategic goals to be attained by 2020 are to basically modernize education; shape a learning society; and turn China into a country rich in human resources."

BEIJING, Feb. 9 (Xinhua) -- China has introduced new stimulus policies to boost the development of the software and integrated circuit (IC) industries.Software firms will continue to enjoy preferential value-added tax policies, according to a circular posted on the central government's website, www.gov.cn on Wednesday. The circular was dated Jan. 28.The new policies also granted tax cuts to manufacturers of integrated circuit. Enterprises of IC products whose product line is less than 0.8 micron (including 0.8 micron) wide will be exempted from corporate income taxes on the first and the second year after reaching profitability, according to the statement.Taxes will also be halved for such companies from the third to fifth year after reaching profitability.Makers of IC products that have a product line that is less than 0.25 micron wide or have invested more than 8 billion yuan (1.21 billion U.S. dollars) in production will pay reduced income taxes.For companies that have operated for more than 15 years, corporate income taxes will be exempted from the first year to the fifth after reaching profitability.Between the sixth and the tenth year, the firms will pay half of the taxes, the statement said.The government also encouraged consolidation in the software and IC industries and will provide financial support to technological research and development.