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WASHINGTON, April 29 (Xinhua) -- A U.S. appeals court ruled on Friday that the Obama administration can continue the taxpayer- funding for human embryonic stem cell research.The U.S. Court of Appeals in Washington overturned a preliminary federal court order that would have blocked the U.S. Health and Human Services Department and the National Institutes of Health (NIH) from spending government money on embryonic stem cells research."Today's ruling is a victory for our scientists and patients around the world who stand to benefit from the groundbreaking medical research they're pursuing," said Nicholas Papas, a White House spokesman.U.S. President Barack Obama has been trying to expand government funding for human embryonic stem cells research, saying that years of progress on finding cures for spinal cord injuries, Parkinson's disease and other diseases would be lost without the government support on this field.Opponents have been arguing the research is unacceptable because embryonic stem cells can only be obtained through destroying human embryos.Last August, a federal judge ruled that the government-backed embryonic stem cell research violated the law because embryos were destroyed in the process and it jeopardized the position of researchers using adult stem cells for winning federal grants.The government immediately appealed to the ruling, and the appeals court said the research could continue at the NIH before the judge ruled on the case.

SAN FRANCISCO, March 23 (Xinhua) -- Yahoo Inc. on Wednesday introduced a new feature to its search engine, which the company said can deliver answers and direct access to websites before users complete their query or hit the search button.The new feature, called Search Direct, predicts search results as fast as a person types and presents those results dynamically, Yahoo said."With today's launch, direct answers -- not the search results page -- is the primary focus. We are redefining the search process and prominently displaying direct answers where search decisions are being made," Shashi Seth, Yahoo's senior vice president of search and marketplaces, said in a statement."Search Direct is evidence of Yahoo continuing to lead innovation in search, enabling people to take action faster, find what is most important, and sample what is possible with the next stage of search technology," he added.Yahoo announced that Search Direct is rolling out in a public test version to its users across the United States Wednesday, and will be available in other Yahoo products and markets later this year.

LOS ANGELES, April 3 (Xinhua) -- People with lower levels of vitamin D are more likely to have stiffer arteries and an inability of blood vessels to relax, U.S. researchers have found.This finding also applies to people who are in general good health, according to researchers from the Emory University School of Medicine.The researchers presented their findings on Sunday at the annual American College of Cardiology meeting in New Orleans.Impaired vascular health in correlation with lower vitamin D levels contributes to high blood pressure and the risk of cardiovascular disease, the researchers say.The study involved 554 participants, with the average age of 47 and generally healthy.The average level of 25-hydroxyvitamin D (a stable form of the vitamin reflecting diet as well as production in the skin) in participants' blood was 31.8 nanograms per milliliter. In this group, 14 percent had 25-hydroxyvitamin D levels considered deficient, or less than 20 nanograms per milliliter, and 33 percent had levels considered insufficient, less than 30 nanograms per milliliter.The researchers monitored the ability of participants' blood vessels to relax by inflating and then removing a blood pressure cuff on their arms. To allow blood to flow back into the arm, blood vessels must relax and enlarge -- a change that can be measured by ultrasound. The researchers also made other measurements of smaller blood vessels and examined the resistance to blood flow imposed by the arteries.

SAN FRANCISCO, March 20 (Xinhua) -- Boeing's 747-8 Intercontinental took to the sky for the first time on Sunday, a milestone for the U.S. aviation giant's latest and biggest passenger plane.Live webcast by Boeing showed that a 747-8 Intercontinental touched down at around 2:25 p.m. PST (2125 GMT) Sunday at the Boeing Field airport in Seattle in the U.S. states of Washington, after wrapping up the airplane's inaugural flight that lasted about four and half hours.During the test flight, the pilots did some system and function checks and everything went fine, according to the webcast.The new 747-8 Intercontinental can carry 467 passengers in a three-class configuration, said Boeing, which touted the new wide- body jet airliner as the only airplane in the 400-500 seat market.The Boeing 747-8 Intercontinental takes off on its maiden flight from Paine Field, in Everett, Washington, March 20, 2011. The 747-8 Intercontinental willseat 467 passengers, 51 more than the latest model of the classic 747, and burn less fuel while offering passengers more comfort, the U.S. planemaker says.Using 787-technology GEnx engines, the airplane will be quieter, produce lower emissions and achieve better fuel economy for airlines, Boeing said.The airplane also features a new wing design and an upgraded flight deck. Its interior incorporates features from the Boeing 787 Dreamliner including a new curved, upswept architecture that will give passengers a greater sense of space and comfort, while adding more room for personal belongings.Boeing has noted that compared with its predecessor, the 747- 400, the 747-8 Intercontinental provides 16 percent better fuel economy, 16 percent less carbon emissions per passenger and generates 30 percent smaller noise footprint, while carries 51 more passengers.Boeing in February said that Korean Air, VIP customers and launch customer Lufthansa have ordered a total of 33 747-8 passenger planes, with the first delivery scheduled for the fourth quarter of this year.It is reported that the 747-8 Intercontinental has a list price of about 317 million U.S. dollars.Earlier in March, Boeing announced that it has signed an agreement with Air China for the purchase of five 747-8 Intercontinental jetliners.

BEIJING, Jan. 22 (Xinhua) -- The Chinese central government in Beijing pledged Saturday that it would work to ensure smooth and safe traveling for the public as many return home to reunite with families during the Spring Festival.It is expected that some 700 million people are to travel during a 40-day Spring Festival travel period that began Wednesday, but heavy snow and icy rain, which has continued since the new year began, has disrupted traffic and cut water and power supplies to some regions in south and southwest China.The lingering freezing weather also poses great challenges to transportation and railway authorities, as they work to avoid another travel disaster, as was seen in early 2008 when unprecedented heavy snow and freezing rain inundated the south of the country, bringing traffic to a standstill at the peak holiday season.Due to this, the Ministry of Public Security announced on Saturday that it had drawn upon the experiences gained from the 2008 weather disaster, and has ordered local bureaus to begin planning precautionary measures to combat the freezing weather.It also issued orders to local departments beginning in late December to step up snow clearance and make sure expressways and key trunk lines are not closed by snow."More police will be deployed to maintain traffic order and security, and to reduce offences such as drunk driving, speeding, passenger overloading of cars and trucks, and driving while fatigued," Huang Ming, Vice Minister of Public Security, said in a press conference held in Beijing.Meanwhile, over 8,300 service stops would be established across the country in order to provide necessities such as water and medical help to drivers and migrant works returning home for the festival.China's meteorological authority forecast Saturday that snowy weather will weaken in most regions over the next three days, but the eastern areas in southwest China will continue to see more rain and snow.On Sunday, the weather forecast anticipated that moderate snow would hit some regions in Inner Mongolia, Guangxi, and Hainan, as the southwestern province of Guizhou will see more icy rain.Local authorities said nearly 10 million have been affected in Hunan after a blizzard that started Monday, which also forced the evacuation of 73,000 people. About 15 power lines were shut down and 132 roads were closed because of snow and icy rain in Guangxi.As the freezing weather makes travel on roads more difficult, railway stations are seeing surges in passenger numbers.An official with the Ministry of Railways (MOR) said nearly 4.8 million passengers took trains on Jan. 19, the first day of the travel peak season this year, up 11.9 percent compared to the corresponding day last year. The next day, over 4.9 million passengers traveled on railways, up 17.5 percent. The Nanchang railway station even saw passenger number jump 30 percent.The MOR said earlier that it would run an additional 293 pairs of trains per day during the rush period in order to meet climbing passenger demand.Further, the Vice Minister of the country's National Development and Reform Commission, the country's top economic planning body, said the ministry would work with other government departments to implement multiple measures in maintaining a stable supply of coal, electricity, oil, and gas so that residents' demands for heating and power use can be met during the festival.The traditional Chinese Spring Festival, or chun jie in Chinese, is the country's most important festival. It falls on Feb. 3 this year. Workers nationwide enjoy a seven-day holiday that ends on Feb. 8.