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A Web-based experiment in which an idea was planted found greater penetration and more rapid spread of the idea in a dense network of participants with overlaps compared with in a loose network. Cynthia Graber reports 一项基于网络的实验表明,
Experts Study Possible Human-to-Human Bird Flu Case in Vietnam Katherine Maria The World Health Organization says experts looking at human cases of bird flu cannot rule out the possibility that it spr
HEALTH REPORT -August 7, 2002: Bacteria in Food This is the VOA Special English Health Report. An American food company recently recalled about eight-million kilograms of ground beef that is used to m
HEALTH REPORT - Polio Threatens Africa By Cynthia Kirk Broadcast: Wednesday, June 30, 2004 This is the VOA Special English Health Report. Health officials say the spread of polio from Nigeria into ten
DEVELOPMENT REPORT – April 1, 2002: Ebola in Africa By Jill Moss Ebola virus (Photo -cdc.gov) This is the VOA Special English Development Report. The World Health Organization reports fifty -four pe
Mama told me not to waste my life She said spread your wings my little butterfly Don't let what they say keep you up at night And if they give you shhhh Then they can walk on by My feet feet can't touch the ground And I can't hear a sound But you jus
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith. This week, we will tell about six diseases of the liver. The six diseases come from six different viruses. Doctors have one name for
The spread of cell phones, computers and other technology has increased economic growth in the developing world. Transcript of radio broadcast: 01 July 2008 VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Steve Ember with EXPLORATIONS in VOA Specia
Health Report - How Early Treatment Can Limit the Spread of HIV This is the VOA Special English Health Report. For people infected with HIV, the earlier they start treatment, the better -- and better not just for them. A new study shows that early tr
AS IT IS 2014-08-21 Red Cross Chief Says Ebola Can Be Defeated 红十字会负责人称,埃博拉病毒可以被打败 The head of the International Federation of Red Cross and Red Crescent Societies is hopeful that the spread of the deadly Ebola vir
Containing Ebola: Window of Opportunity Closing 控制埃博拉机会之窗要关闭 From VOA Learning English, this is the Health Report. A top health expert warns that the whole world needs to help deal with what he calls the first Ebola epidemic t
Satellites Study Weather Conditions, Predict Diseases 气象卫星研究天气变化可预测疾病 Meningitis is spreading across West Africa. The brain disease is a threat every year across 21 African countries. Health officials call this area, the
Zika Virus Detected in Body Fluids 体液中检测到寨卡病毒分享到: Brazilian scientists have detected the Zika virus in urine and saliva samples of two infected patients. 巴西科学家在两名感染患者的尿液和唾液中检测到了寨
U.S. health officials are increasing surveillance measures at doctors' offices and international borders to guard against the spread of swine flu. Washington also has begun dispersing medicine from a federal stockpile. Secretary of State Hillary Rod
Tuberculosis Cases Down, Disease Still A Major Killer The news from the World Health Organization is mixed: some 20 million people are alive today as a result of international efforts to control tuberculosis and care for those who have it. As a resul
Before Tomas dumped a massive amount of rain on Haiti, doctors treated cholera patients in hospital tents. Flooding from the storm could cause cholera to spread as sewage and other refuse seeps into tents where many people have been living since Janu
美式足球超级杯那天,Larry要在家开party, 李华帮他做准备。李华今天要学两个常用语,munchies和spread. LL: I'm really excited about having a Super Bowl party, Li Hua. I just went to the store and bought lots of munchies,
AUDIE CORNISH, HOST: Silicon Valley is stepping up its campaign against disinformation. Yesterday Twitter and Facebook said they've taken down hundreds of fake accounts linked to Iran. Facebook also purged accounts originating in Russia. Right now we
Police battled rampaging youths in western Kenya as ethnic clashes that have left more than 100 people dead in the past four days spread across the country. Tribal violence that has killed nearly 900 people since elections last month. 肯尼亚过去
Todays global coverage begins in Central Africa. International health officials say they have reason to be cautiously optimistic about limiting the spread of an Ebola outbreak in the Democratic Republic of Congo. It was first reported in early May. S