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KAMPALA, May 14 (Xinhua) -- The deadly Ebola hemorrhagic fever has broken out in Uganda, killing one person and leaving over 30 others being monitored by health officials, ministry of health announced here on Saturday.The epicenter of the outbreak is in the central Ugandan district of Luwero located about 50 km north of the capital Kampala.According to Anthony Mbonye, head of the community health department at the ministry of health, a 12 year old girl in Zirombwe Sub-county developed symptoms of Ebola and when she was admitted at a military hospital in the district, laboratory test confirmed that it was Ebola.The Ebola virus is highly contagious and causes a range of symptoms including fever, vomiting, diarrhea, generalized pain or malaise and in many cases internal and external bleeding.The girl died on May 6 and about 30 people who she got contact with are being asked to not get into contact with the public as health officials monitor them for about 21 days.The 30 people have not yet developed the symptoms but if they do, they will be isolated from the public.Mbonye said that preliminary investigations have showed that this Ebola virus is similar to the one that broke out in Sudan, thus named Sudan Ebola.The epicenter of the outbreak is also located along the high way to southern Sudan.This viral subtype has a human case fatality rate of 60 percent meaning that it will kill 60 percent of the infected people.The other subtype is the Congo Ebola which also attacked Uganda in 2007. This one has a human case fatality rate of over 80 percent.The 2007 outbreak which occurred in the western district of Bundibugyo bordering eastern Democratic Republic of Congo claimed 37 lives out of the 148 infected.Mbonye said that there also ongoing investigations to find out whether the index case got into contact with moneys or bats, the known reservoirs of the Ebola virus.Following the outbreak, government has reactivated the National Ebola Task Force (NETF) to coordinate the fight against the disease at the national level.District task forces are also in the process of being formed according to Mbonye, who is the chairperson of the NETF.

LOS ANGELES, May 1 (Xinhua) -- Middle-aged adults who sleep too less or too much may be more likely to suffer cognitive decline, a new study suggests.According to the study, less than six hours of sleep each night is considered too little and more than eight hours as too much for middle-aged adults.The study, conducted by researchers at University College London Medical School, was published May 1 in the American medical journal Sleep.The researchers conducted the study in two periods -- the 1997- 1999 period and the 2003-2004 period. The participants were asked how many hours they slept on an average week night, and were asked the same question in 2003-2004 after an average 5.4 years of follow-up.The researchers compared those who reported changes in their sleep patterns with people whose sleep duration stayed the same over the course of the study.In the follow-up, each individual was given a battery of standard tests to assess his or her memory, reasoning, vocabulary, global cognitive status and verbal fluency.The study findings show that women who slept seven hours per night had the highest score for every cognitive measure, followed by those who had six hours of sleep. For men, cognitive function was similar for those who reported sleeping six, seven or eight hours.However, less than six hours of sleep -- or more than eight hours -- were associated with lower scores."Sleep provides the body with its daily need for physiological restitution and recovery," explained Jane Ferrie, a senior research fellow in the department of epidemiology and public health at the school. "While seven hours a night appears to be optimal for the majority of human beings, many people can function perfectly well on regular sleep of less or more hours."However, since most research has focused on the effects of sleep deprivation on biological systems, it is not yet fully understood why seven hours is optimal -- or why long sleeping appears to be detrimental, Ferrie said."Chronic short sleep produces hormones and chemicals in the body which increase the risk of developing heart disease and strokes, and other conditions like high blood pressure and cholesterol, diabetes and obesity," she added.

LOS ANGELES, April 7 (Xinhua) -- A new research has found that about nine million people in the United States identify themselves as lesbian, gay, bisexual or transgender (LGBT).About 1.8 percent of adults identify themselves as bisexual, 1. 7 percent as gay or lesbian, and 0.03 percent as transgender, researchers at the University of California-Los Angeles' School of Law said in the study published by The Los Angeles Times on Thursday.The study culled data and methods from nine surveys conducted over the last seven years and averaged results from five of those surveys to estimate sexual orientation and from two surveys to estimate the transgender population.The findings also show that about 8.2 percent of Americans said they participated in same-sex sexual activity and about 11 percent said they had some same-sex sexual attraction, but neither of these groups necessarily identified themselves as LGBT.The researchers noted that insufficient and inconsistent national surveys make it difficult to get an estimate of the LGBT population in the United States, according to the Times report.

LOS ANGELES, April 18 (Xinhua) -- Sugarcane has the effect of cooling temperatures, thus playing role in stemming global warming, a new study has found.Sugarcane does so by reflecting sunlight back into space and by lowering the temperature of the surrounding air as the plants " exhale" cooler water, according to the study conducted by researchers at the Carnegie Institution's Department of Global Ecology.The researchers used data from hundreds of satellite images over 733,000 square miles (about 1,173 square kilometers) in Brazil, where sugarcane is widely grown. They measured temperature, reflectivity (also called albedo), and evapotranspiration -- the water loss from the soil and from plants as they exhale water vapor.The findings showed that expansion of sugarcane in areas previously occupied by other Brazilian crops cools the local climate.Converting from natural vegetation to crop/pasture on average warmed the cerrado by 2.79 Fahrenheit (1.55 Centigrade, but that subsequent conversion to sugarcane, on average, cooled the surrounding air by 1.67 Fahrenheit (0.93 Centigrade), the researchers said in the study published in the April issue of Nature Climate Change."We found that shifting from natural vegetation to crops or pasture results in local warming because the plants give off less beneficial water. But the bamboo-like sugarcane is more reflective and gives off more water -- much like the natural vegetation," said lead researcher Scott Loarie. "It's a potential win-win for the climate -- using sugarcane to power vehicles reduces carbon emissions, while growing it lowers the local air temperature."Brazilians are world leaders in using biofuels for gasoline. About a quarter of their automobile fuel consumption comes from sugarcane, which significantly reduces carbon dioxide emissions that otherwise would be emitted from using gasoline.The researchers emphasized that the beneficial effects are contingent on the fact sugarcane is grown on areas previously occupied by crops or pastureland, and not in areas converted from natural vegetation. It is also important that other crops and pastureland do not move to natural vegetation areas, which would contribute to deforestation.So far most of the thinking about ecosystem effects on climate considers only impacts from greenhouse gas emissions. But according to co-researcher Greg Asner, "It's becoming increasingly clear that direct climate effects on local climate from land-use decisions constitute significant impacts that need to be considered core elements of human-caused climate change."

BEIJING, May 28 (Xinhua) -- The issue of third-party online payment permits in China this week will boost the sector's development through giving it a legal status, analysts said.The People's Bank of China (PBOC), or the central bank, on Thursday announced its first batch of electronic payment licenses to 27 qualified third-party online payment platforms, including Alipay, Tenpay and 99bill.It also stipulated that all the third-party payment businesses should obtain licenses before September, or cease doing business.The move has long been awaited after the central bank said in June last year that non-financial institution payment service would be regulated, and that all businesses involved in the service must get licenses before Sept. 1, 2011.The license covers payment transactions such as Internet payment, mobile phone payment, bank card acquiring service, issuance and accept of prepaid cards and currency exchange.The move provides a legal status for the third-party payment sector so that it can develop in a more standard and healthy way, said Zhang Meng, an analyst with Analysys International, an Internet market information provider.Third-party payment enterprises refer to those non-financial operators who work as the third party between buyers and sellers to provide payment settlement through Internet, telephones or mobile phones.China has the world's highest number of Internet users, with about 457 million netizens, among whom 148 million were active online shoppers as of the end of last year.China's online payment topped 1.09 trillion yuan (167.29 billion U.S. dollars) last year. The figure was 397.3 billion yuan in the first quarter this year, almost doubled year-on-year.99bill CEO Guan Guoguang called the issue of the third-party payment licenses "a milestone" for China's e-payment sector.Requiring that enterprises must be licensed to operate e-payment businesses will help standardize the sector, improve services and boost integration of e-payment and e-commerce, said Guan.The first group of e-payment license holders include Alipay.com Co. Ltd, a unit of Alibaba Group Holding which owns the country's largest e-commerce website Alibaba.com Co. Ltd.; China UMS, a unit of China UnionPay Co. Ltd; Tenpay.com, an e-payment platform developed by Chinese Internet giant Tencent Holdings and Shengfutong, launched by Shanda Interactive Entertainment.Five applicants, however, failed to get licenses.Businesses with licenses will attract more investment and high-end personnel, says iResearch analyst Cheng Shanbao.For those without a license, they will be merged or have to pull out of the sector, according to Yeepay CEO Tang Bin.The central bank selected enterprises that have good management and risk control systems, as well as profit prospects, Zhang Meng said.Mergers are inevitable as the cut-off date of Sept. 1 is approaching, he added.The third-party payment enterprises mainly profit from 1 to 4 percent fees, but analysts believe profits from the fees might be reduced due to fierce competition.