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MOSCOW, June 15 (Xinhua) -- Russia's Mission Control announced on Wednesday it had raised the International Space Station (ISS) by 10.2 km to 374.7 km with the help of the Europe's ATV-2 Johannes Kepler.The Mission Control conducted the correction to the ISS at 19: 55 Moscow time (1555 GMT) by the boosters of the ATV-2 Johannes Kepler. The correction had lasted for some 40 minutes.According to the Mission Control, the correction was made in line with the ISS's ballistic flight program.On June 12, the Europe's second Automated Transfer Vehicle (ATV) Johannes Kepler has conducted two similar operations, raising the ISS orbit by 19.2 km to 364.6 km.Corrections to the space station's orbit are conducted periodically before launches of Russian cargo ships and U.S. shuttles to compensate for the Earth's gravity and to safeguard successful dockings.According to the Mission Control, the ATV-2 Johannes Kepler is scheduled to undock from the ISS on June 21.

BEIJING, Sept. 6 (Xinhuanet) -- Scientists from Tufts University of the U.S. have created the world's smallest electrical motor in a single molecule.The finding was published in the journal Nature Nanotechnology on Monday.In the research, scientist successfully made a single molecule accept an electrical charge and rotate as fast as 120 revolutions per second."This is the first time that electrically-driven molecular motors have been demonstrated, despite a few theoretical proposals," said Charles H. Sykes, professor of chemistry at Tufts who led the team.The single molecule electric motor could lead to new types of electrical circuitry, giving hope for scientists to apply it in medicine and engineering, he said."The next thing to do is to couple it to other molecules, lining them up next to one another so they're like miniature cog-wheels, and then watch the rotation propagation down the chain," said Sykes.

SYDNEY, Aug. 16 (Xinhua) -- People sitting in front of TV for hours on end could shorten their life expectancy by almost five years, according to an Australian study published on Tuesday by the British Journal of Sports Medicine.Researchers from the University of Queensland estimate that for every hour adults spend in front of TV, their life expectancy shortens by almost 22 minutes.Those who watched six hours a day lived 4.8 years less than those who don't watch TV.The study is the first in Australia to look into how TV habits affect longevity.The Australian researchers found that watching TV could have a similar negative impact on life expectancy to that of obesity, smoking and low physical activity."People don't realize how it all adds up," the study's lead author Dr. Lennert Veerman told the Australian Associated Press (AAP)."They should try not to watch too much TV and find alternative things to do, preferably things that are light activities," Veerman said.The study was based on data from the Australian Diabetes, Obesity and Lifestyle study and asked more than 11,000 people aged over 25 about their weekly TV viewing time.The study found that in 2008 Australian adults watched 9.8 billion hours of TV."These findings suggest that substantial loss of life may be associated with prolonged TV viewing time among Australian adults," the study said."TV viewing time may have adverse health consequences that rival those of lack of physical activity, obesity and smoking; every single hour of TV viewed may shorten life by as much as 22 minutes," it said."With further corroborative evidence, a public health case could be made that adults also need to limit the time spent watching TV."Australians are recommended to spend at least 30 minutes a day doing moderate-intensity physical activity to reduce an increased risk of developing cardiovascular disease.

UNITED NATIONS, Sept. 19 (Xinhua) -- As the UN on Monday pursued the world's top killer -- non-communicable diseases (NCDs) -- a leading doctor from the World Health Organization (WHO) called for preventative measures on such chronic diseases to be placed higher on the international agenda."It's not a choice of dealing with it or not, it's an absolute fundamental imperative for development," said Dr. Douglas Bettcher, WHO's director for the Tobacco Free Initiative, told Xinhua in a recent telephone interview.With NCDs already claiming 36 million lives a year -- nearly 100,000 people a day -- the UN Geneva-based health agency, WHO warns that deaths from chronic diseases will continue to climb even faster, amounting to 52 million deaths by 2030.As world leaders on Monday kicked off a two-day high-level meeting to enact a roadmap to attack diseases like cancer, diabetes, heart and lung diseases, it is hoped that the summit on NCDs, which is being called a "once in a generation opportunity," moves to become a "worldwide priority," Bettcher said.Marking the second time in its history that the United Nations General Assembly has ever put a global disease on the table, health experts and world leaders from 193 nations met to avert what the UN has declared a "public health emergency in slow motion. ""It's a make it or break it time for moving forward this very important agenda at this time of global financial crisis," said Bettcher.Calling NCDs the top global killer "by a long shot," Bettcher attributed such rises in deaths partly to the aging of the world's population, rapid urbanization and increased exposure to risk factors, particularly in low-and middle-income countries."This is a landmark meeting," said UN Secretary-General Ban Ki- moon at the opening of the unprecedented meeting. "Three out of every five people on earth die from the diseases that we gather here to address."The last time the UN looked at a health issue under the global microscope on such a high-level was almost a decade ago.