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WASHINGTON, Nov. 14 (Xinhua) -- Vitamin D levels are significantly lower in patients with recurrent inflammatory spinal cord disease, according to a study published online Monday in Archives of Neurology.Vitamin D is a steroid vitamin that promotes the intestinal absorption and metabolism of calcium and phosphorus. In recent years, low levels of vitamin D have been linked to a variety of autoimmune conditions, including multiple sclerosis (MS). However, the importance of vitamin D in monophasic or recurrent non-MS spinal cord diseases including transverse myelitis and neuromyelitis optica is unknown, according to background information in the article.Transverse myelitis (TM) is a disease of the spinal cord in which there is involvement of the myelin sheath that protects nerve fibers; symptoms include back pain and weakness in the legs. Neuromyelitis optica (NMO) is a disease of the central nervous system that affects the optic nerves and spinal cord.Maureen Mealy, of Johns Hopkins University and colleagues investigated the association between low serum vitamin D levels and recurrent spinal cord disease. They analyzed data on vitamin D levels among 77 patients with monophasic (having only one phase or stage) and recurrent inflammatory diseases of the spinal cord, adjusting for season, age, sex, and race. The study found that vitamin D levels were significantly lower in patients who developed recurrent spinal cord disease."Our findings suggest that there may be an association between lower total 25-hydroxyvitamin D levels in patients with recurrent TM/NMO/ spectrum disorders as compared with their counterparts with monophasic disease," the authors report. They suggest that future studies are needed to further assess the relationship between vitamin D and recurrent spinal cord disease.

SAN FRANCISCO, Nov. 7 (Xinhua) -- Google on Monday added a highly-anticipated service to its Google+ social network, allowing businesses and brands to set up their own pages on the site.Named "Google+ Page," the service is a further challenge to its rival Facebook's fan pages, which has become a major promotion strategy for many business brands over the past several years.Unlike Facebook, Google will not charge businesses and organizations for using the scheme, and will not put ads on the pages. The service is expected to enhance the tech giant's other businesses like search and mobile advertising.Some big brand names, such as Burberry, the Barcelona football club and the Muppets, have already set up their pages.Google noted it will not pass on personal data.In addition to big brands, Google also wants small businesses that have or do not have their own websites to use Google+ Pages as their default presences.According to a report by Ad Age Digital, Google+ Pages will soon be location-aware, allowing local businesses to send offers and deals to mobile phones.According to Google, more than 40 million people have opened an account with its social network, which was launched in June. Although the network is growing very quickly, some analysts said it still has a long way to go to become a major threat to Facebook, which has more than 800 million users.

WELLINGTON, Oct. 26 (Xinhua) -- New Zealand's geothermal scientists will be collaborating with the world's leading geothermal researchers after the country joins an elite international group next month.New Zealand would be admitted to the International Partnership for Geothermal Technology (IPGT) in Melbourne, Australia, on Nov. 16, Science and Innovation Minister Wayne Mapp announced Wednesday."Geothermal energy is one of our most important renewable energy resources with huge potential for growth," said Mapp."This recognition of our geothermal research programs will allow our scientists to collaborate with an elite group of researchers in the United States, Australia, Switzerland and Iceland."Scientists from New Zealand research organizations were committed to finding new ways to harness the country's extensive geothermal fields, said Mapp."Innovation and clean energy is a big part of enabling New Zealand to grow the economy," said Mapp."This new international partnership will help keep us at the forefront of technology developments such as enhanced geothermal systems."Established in 2008, the IPGT seeks to develop advanced, cost- effective geothermal energy technologies through international research co-operation.New Zealand's geothermal electricity generation rose by 21 percent last year and accounted for 13 percent of total electricity generation, its highest recorded level.The government is aiming to expand geothermal energy with three large geothermal projects in the pipeline by 2020.The country's biggest geothermal project is to be Contact Energy's 250-megawatt Tauhara II geothermal project.The project, being developed northeast of the central North Island town of Taupo, is expected to produce enough electricity to meet the needs of around 270,000 homes when it becomes fully operational in 2015.

BEIJING, Jan. 1 (Xinhua) -- President Hu Jintao, along with other Chinese leaders, celebrated the New Year with political advisors Sunday morning in Beijing and delivered an important speech.Hu and the other members of the Standing Committee of the Political Bureau of the Communist Party of China (CPC) Central Committee Wu Bangguo, Wen Jiabao, Jia Qinglin, Li Changchun, Xi Jinping, Li Keqiang, He Guoqiang and Zhou Yongkang attended a tea party held by the National Committee of the Chinese People's Political Consultative Conference (CPPCC).

SAN FRANCISCO, Oct. 13 (Xinhua) -- The Internet search giant Google on Thursday released its third fiscal quarter earnings report, posting strong numbers that beat analysts' estimates.The Mountain View, California-based company reported revenue of 9.72 billion U.S. dollars for the quarter ending Sept. 30, 2011, an increase of 33 percent on a year-on-year basis.Google reported a profit of 2.73 billion dollars, compared to 2. 17 billion dollars in the same period last year. The earning per share, excluding certain items, is 9.72 dollars, topping the average estimate of 8.74 dollars per share polled by Thomson Reuters."We had a great quarter," said Google co-founder and Chief Executive Officer Larry Page in a statement. "Google+ is now open to everyone and we just passed the 40 million user mark. People are flocking into Google+ at an incredible rate and we are just getting started."Many analysts took the third quarter to examine the company's progress towards expanding its core business beyond advertising which accounted for 96 percent of its revenue last year. In the past quarter, Google made major investments in several key businesses, such as social networking and mobile.In August, Google announced a 12.5-billion-dollar acquisition of Motorola Mobility, a move widely seen to get Motorola's patent portfolio to protect its Android software against a growing number of infringement lawsuits by rival mobile platforms. The deal is expected to close later this year or early next year.Since its late-June launch, the Google+ social network has been receiving a good response, posing to shake up the social networking space dominated by Facebook.In September, Google also officially launched Google Wallet, a mobile payment allowing users to pay by tapping an Android smartphone against a compatible card reader.