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SAN FRANCISCO, Aug. 23 (Xinhua) -- The amount of malware targeted at devices based on Google's Android platform surged 76 percent in the second quarter over the previous three months in 2011, making it the most attacked mobile operating system, computer security firm McAfee said on Tuesday.A new McAfee study found that in the second quarter, Android- based malware surpassed Nokia's Symbian as the most popular target for mobile malware developers.While Symbian and Java ME, a platform designed for mobile devices and other embedded systems, remain the most targeted to date, the rapid rise in Android malware indicates that the platform could become an increasing target for cyber criminals McAfee said.Models pose with the new Samsung Galaxy S Android smartphone during its launch ceremony at the headquarters of Samsung Electronics in Seoul in this June 8, 2010 file photograph.It warned that the attacks on Android platform could affect everything from calendar apps, to text messages, and even a fake Angry Birds updates.According to the study, malware on mobile platforms is increasing steadily, often mimicking the same code as personal computer-based threats, as vast amount of personal and business data are now found on user's smartphones and other mobile devices."This year we've seen record-breaking numbers of malware, especially on mobile devices, where the uptick is in direct correlation to popularity," Vincent Weafer, senior vice president of McAfee Labs, said in a statement."Overall attacks are becoming more stealth and more sophisticated, suggesting that we could see attacks that remain unnoticed for longer periods of time," he noted.

MOSCOW, Aug. 26 (Xinhua) -- Russia will carry out two unmanned test launches of Soyuz carrier rockets in the coming fall before delivering crews to the International Space Station (ISS), local media reported on Friday.Citing a source, RIA Novosti news agency said that one of the Soyuz rockets was scheduled to send a new Progress M-13M space freighter to the ISS.On Wednesday, a Progress M-12M cargo ship failed to reach the orbit after the engine of a Soyuz-U carrier rocket turned off during the ascend. Soon after the accident, Russia announced it will temporarily ground all Soyuz rockets.Due to the accident, Russian space authorities have put off Thursday's launch of a Soyuz-2 carrier rocket from the Plesetsk Space Center in northern Russia and a launch of a manned space ship from Baikonur space center in Kazakhstan.After the retirement of the U.S. shuttle fleet, Russia's Soyuz spacecrafts have become the only way for astronauts to reach the ISS until at least the middle of the decade.

BEIJING, Aug. 3 (Xinhuanet) -- The first man in Britain who received a complete plastic heart is allowed to leave hospital and live a relatively normal life at home.Matthew Green, 40, who was dying from arrhythmogenic right ventricular cardiomyopathy, was awaiting a transplant when his condition became so bad that the doctors at Papworth Hospital, the world renowned heart center near Cambridge, decided to give him Britain’s first ever full artificial heart.During a six-hour operation on June 9, 2011, surgeons replaced Mr Green's damaged heart with the device which will serve the role of muscles and ventricles.Unlike previous artificial hearts, they have usually only replaced parts of the organ, the new one is powered by a pump which sits outside the body and can be held in a backpack or shoulder bag.All Mr Green has to do is replace the batteries in the pump every few hours and the heart should last up to three years.Transplant milestones1964 US National Institutes of Health starts artificial heart programme.1966 First transplant of partial mechanical heart, to assist pumping of ventricle.1969 Texas man receives first total artificial heart transplant. After 64 hours on the mechanical device received a donor organ, but died within two days.1982 Artificial heart designed by Utah University doctor Robert Jarvik implanted into man who survived for 112 days.2001 First surgical implant of internally powered artificial heart, which was charged via transduction through skin.

TAIPEI, Sept. 11 (Xinhua) - As the full moon emerged in the remote sky, families and friends, bringing their barbecue grills, meat, seafood and vegetables, gathered under the Dazhi Bridge nearby Jilong River, one of major barbecue sites for the Mid-Autumn Festival in Taipei.Many families came to the barbecue site as early as at 3 p.m. Sunday for preparation. A Taipei citizen surnamed Wu in his sixties brought all his 30 family members to the barbecue."Every year, our family come out for barbecue only at the occasion of Mid-Autumn Festival, because the festival is for family reunion," he said.He also brought some fireworks to celebrate the traditional Chinese festival.Together with Wu's family, hundreds of people gathered under the bridge for barbecue, an unique scene in Taiwan for the Mid-Autumn festival.Mooncakes are a traditional delicacy for the Mid-Autumn Festival, which falls on the fifteenth day of the eighth month on the lunar calendar, or Sept. 12 this year. The round mooncakes resemble the full moon, a symbol of family reunion in traditional Chinese culture as well as the major theme of the Mid-Autumn Festival.According to some local residents, in the 1980s several barbecue sauce companies competing for the market frequently organized fairs to promote barbecue-related products just before the Mid-Autumn festivals.Through the intensive promotion campaigns, barbecue eventually became a Mid-Autumn festival custom as important as eating mooncake in Taiwan.But mooncake and pineapple cake are still popular gifts for the traditional festival in Taiwan. Weeks ahead of the festival, the advertisements for different brands of mooncake and pineapple cake were carried on local newspapers.Between Ren'ai Road and Xinyi Road in downtown Taipei, there is a weekend flower market becoming one of the options for Taipei citizens to while off the Mid-Autumn Festival holiday.The flower market with 29-year history is in fact a parking lot during weekdays. But during the weekend, the 1.5-hectare area becomes one of the biggest flower markets in Taipei, with about 300 booths selling flowers and plants.A flower seller, surnamed Yang, said the number of buyers increased significantly on Saturday and Sunday, the first two days of the three-day Mid-Autumn Festival holiday and the sales rose by nearly 30 percent.The flower market also held an agricultural product fair on Sept. 10-12, on which tea, fruits and other agricultural products are sold.

WASHINGTON, Aug. 31 (Xinhua) -- Astronomers using NASA's Chandra X-ray Observatory discovered the first pair of supermassive black holes in a spiral galaxy similar to the Milky Way, NASA announced Wednesday.Approximately 160 million light years from Earth, the pair is the nearest known such phenomenon.The black holes are located near the center of the spiral galaxy NGC 3393. Separated by only 490 light years, the black holes are likely the remnant of a merger of two galaxies of unequal mass a billion or more years ago.Both of the supermassive black holes are heavily obscured by dust and gas, which makes them difficult to observe in optical light. Because X-rays are more energetic, they can penetrate this obscuring material. Chandra's X-ray spectra show clear signatures of a pair of supermassive black holes."If this galaxy weren't so close, we'd have no chance of separating the two black holes the way we have," said Pepi Fabbiano of the Harvard-Smithsonian Center for Astrophysics, who led the study that appeared Wednesday in on-line issue of the journal Nature. "Since this galaxy was right under our noses by cosmic standards, it makes us wonder how many of these black hole pairs we've been missing."Previous observations in X-rays and at other wavelengths indicated that a single supermassive black hole existed in the center of NGC 3393. However, a long look by Chandra allowed the researchers to detect and separate the dual black holes. Both black holes are actively growing and emitting X-rays as gas falls towards them and becomes hotter.When two equal-sized spiral galaxies merge, astronomers think it should result in the formation of a black hole pair and a galaxy with a disrupted appearance and intense star formation. A well-known example is the pair of supermassive black holes in NGC 6240, which is located about 330 million light years from Earth.However, NGC 3393 is a well-organized spiral galaxy, and its central bulge is dominated by old stars. These are unusual properties for a galaxy containing a pair of black holes.