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BEIJING, Feb. 5 (Xinhua) -- China's meteorological authority said Saturday that a cold snap would sweep north China over the next few days, bringing down temperatures and carrying gusty winds.Temperatures in some parts of Xinjiang Uygur Autonomous Region, Inner Mongolia Autonomous Region and northeast China will drop 4 to 6 degrees Celsius over the weekend, the National Meteorological Center (NMC) said in a statement on its website.In most areas north to the Huaihe River, the temperatures will go down 4 to 6 degrees Celsius, or even 8 to 10 degrees Celsius in some parts of the areas between Monday and Tuesday.The cold front would then move southward to affect more areas in the eastern and southern parts of the country.The NMC said some areas in northern and western Xinjiang Uygur Autonomous Region, the eastern part of Inner Mongolia, Sichuan Basin and most of the northeast China, the western parts of the areas south to the Yangtze River will see light to moderate snow or sleet in the forthcoming three days.Fog continued to shroud south China Saturday, reducing visibility to less than 200 meters in parts of Hunan, Hubei, Jiangxi, Sichuan and Fujian provinces, as well as Chongqing City.

BEIJING, March 11 (Xinhuanet) --Women who have a cup or more of coffee everyday may reduce their risk of stroke by as much as 25 percent, according to a new study in the Journal Stroke Thursday. This study, led by Swedish researcher Susanna Larsson of the Karolinska Institute in Stockholm, followed more than 34,000 Swedish women aged 49 to 83 who were free of heart disease. After 10-year of follow-up, there were 1,680 strokes, and the study found that those who drank at least one cup of coffee each day had a 22 to 25 percent lowered risk of stroke, compared with women who drank less.The study further suggested coffee can help prevent cognitive decline and can boost vision and heart health. It is also related to a reduced risk of liver cancer."We used to worry that (coffee) raises blood pressure and causes increased heart rate, but it appears to be less risky than we thought," said physician Claudette Brooks, spokesperson for the American Stroke Association. Now, exactly what it is about coffee that may lower stroke risk is unknown. But the researchers speculated that coffee might reduce inflammation, lower oxidative stress and help make the body more responsive to insulin.However, some experts kept skeptical about the real impact coffee would have on reducing the incidence of stroke."The problem with this type of study is that there are too many factors unaccounted for and association does not prove causality," Dr Larry B. Goldstein, director of the Duke Stroke Center at Duke University Medical Center said."Subjects were asked about their past coffee consumption in a questionnaire and then followed over time. There is no way to know if they changed their behavior," Goldstein added.In any case, the good news for coffee junkies is that at least drinking coffee don't increase women's risk of stroke.

LOS ANGELES, March 18 (Xinhua) -- The moon will move closer to Earth than it has been in more than 18 years Saturday night, space. com reported on Friday.On Saturday afternoon at 3 p.m. Eastern Daylight Time (1900 MGT) , the "supermoon", as dubbed by some observers, will arrive at its closest point to the Earth in 2011: a distance of 221,565 miles ( 356,575 kilometers) away, and only 50 minutes earlier, the moon will officially be full, the report said.At its peak, the supermoon may appear 14 percent larger and 30 percent brighter than lesser full moons (when the moon is at its farthest from Earth), weather permitting, said the report.Yet to the casual observer, it may be hard to tell the difference, according to the report.Scientists say it is a fluke of orbital mechanics that brings the moon closer to Earth.The supermoon will not cause natural disasters, such as the Japan earthquake, NASA scientists say.In December 2008, there was a near-supermoon when the moon turned full four hours away from its perigee - the point in its orbit that is closest to Earth. But this month, the full moon and perigee are just under one hour apart, promising spectacular views, depending on local conditions, the report said.

BEIJING, Feb. 10 (Xinhua) -- First snow fell in Beijing Wednesday night and continued into Thursday morning. It was the latest first snow for the city in 60 years.Beijing has had no precipitation for 108 consecutive days this winter.Local meteorologists said from 8:00 Wednesday to 6:00 Thursday, precipitation in Beijing averaged 1 mm."Now there is snow at last. I love the taste of snow." "The world in pure white! It's the most beautiful landscape in winter." Beijing residents who stayed late in the night and happened to see the first flakes of snow in the city left their postings on microblogs.However, meteorologists said the first snow won't last long and it will end on Thursday noon. In midnight, the city will have a cloudy weather, and Friday will be a sunny day."As the precipitation is small, it will have limited effect on easing drought," Song Jisong, the municipal meteorological bureau's chief weather forecaster said.Sun said that the capital city's record-long winter drought occurred in the winter of 1970/71, when there was no precipitation for 114 days. This winter drought was the second longest in 60 years.Meteorologists said the current snowfall will reduce risks of fire.The snow also affected the city's traffic. Local traffic control authorities estimated that there were more than 40 highways on which vehicles ran at a speed lower than 20 km per hour in the rush hour Thursday morning.The authorities said an emergency headquarters had been set up for the snow weather. Expressways connecting Beijing with Chengde, Tianjin and Tibet will likely have some sections closed for the time being.A spokesperson with the Beijing Capital International Airport Co., Ltd. said that by 6:00 a.m. Thursday, runways at the airport had operated normally, and take-offs and landings had been normal, with no flights delayed.The airport has also launched an emergency scheme. At last 64 ice removal vehicles had been arranged to ensure the normal operaton of flights.Wednesday also saw snowfall and sleet in Gansu, Shaanxi, Shanxi, Henan and Anhui provinces and rainfall in the Yellow River and Huaihe River valleys, southwestern regions and the middle-and-lower reaches of the Yangtze River valley. And snow and rainfall will continue in the those areas Thursday.

MOSCOW, April 12 (Xinhua) -- Does life exist on other planets beyond the solar system? Are there any other planets like the Earth in our universe? And what does the universe look like?On questions related to outer space, human beings have never stopped observing and thinking.Yuri Gagarin, who made the first manned space flight on April 12, 1961, and orbited Earth for 108 minutes before safely landing, opened a window named "space" to humankind. The Soviet cosmonaut's journey continues to be an inspiration for the world to "conquer" space -- but now for more peaceful purposes.After the Cold War, cooperation on space exploration and scientific researches has turned to a more pragmatic way. More and more countries are realizing that space programs are closely linked with their people's lives than ever before.GAGARIN'S LEGACY INSPIRES PEACEFUL COOPERATION IN SPACEThe UN General Assembly adopted a resolution earlier this month that declares April 12 the International Day of Human Space Flight. The resolution has been supported by more than 60 countries."Man's space odyssey, the fruitful cooperation of many states in outer space would have been impossible without the very first step, Yuri Gagarin's flight," said Vitaly Churkin, Russia's permanent representative to the United Nations.However, the first human space flight was actually a result of competition between the East and the West at the height of the Cold War when the Berlin Wall was built.That competition gradually evolved, however, into a joint space project that has drawn more than 15 nations -- the International Space Station (ISS). Such a project would almost impossible to imagine before.The Mars-500 project in Moscow, aimed at testing the physical and psychological strains on humans during a 500-day journey to "Mars," is another good example of the international cooperation in scientific research. The experiment included six crew members from four countries, including Russia, China, France and Italy.Compared with the times of Gagarin, who died in a 1968 plane crash,mankind has changed its approach to space exploration, rendering it more pragmatic. That's according to cosmonaut Pavel Vinogradov, now a deputy head of the Space Flight Center in the Energy Rocket-Space Corporation."Early romanticism and space race have gone. Countries have been replaced by the business-oriented cooperation in the recent decade," Vinogradov told Xinhua.Experts said the scale and costs of space explorations require massive international cooperation."Space programs have been more money-thirsty even than military programs, so the nations seek closer cooperation," Vinogradov said, "and this pays off."STARDUST YIELDS TO PRAGMATISMUnlike 50 years ago, space technologies now are more closely linked to people and more directly affect their daily lives. Nowadays, one just cannot imagine life without satellite TV or GPS.Veteran cosmonaut Georgy Grechko said orbits have become construction sites rather than military facilities and the space industry itself has swiftly evolved into just another sector of the global economy.Echoing Grechko, Vinogradov said space also is a testing ground for many other sectors, including the bio-technological and pharmaceutical industries."What is just as important, outer space has turned into a platform for close, open, and fruitful international cooperation for the benefits of global, universal peace and development," Russian President Dmitry Medvedev has said.UN General Assembly President Joseph Deiss has said that the newly established International Day of Human Space Flight should serve as an opportunity to reflect on the importance of peaceful use of space to develop essential technologies and scientific breakthroughs."Space technology is used in matters diverse, such as the fight against climate change, against desertification, and against the loss of biodiversity," Deiss said. "The satellite images provided have given essential data when it comes to avoiding the risks of natural disasters."So far, mankind has never stopped making progress beyond the earth's boundaries and the progress itself has never stopped sparking people's imagination about what is possible through the peaceful use and exploration of outer space.What's more, humankind has never stopped the space dream."The task of the government is to inject into the people an ability to dream," said Igor Zadorin, a member of Russia's National Strategy Council.Here is interesting news: NASA's head Charles Bolden arrived in Russia on the eve of Gagarin's flight anniversary and was expected to discuss Russia-U.S. cooperation on a joint flight to Mars by a nuclear-powered spacecraft.What can we expect in the future?