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VOA标准英语2012--New Dysentery Threat Emerges

New Dysentery Threat Emerges Its known that clean water and sanitation can bring a sharp decline in dysentery cases in developing countries. But its not enough to stop the spread of the disease in countries undergoing rapid development and industrial

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VOA慢速英语2011--Groups Press for US Ban on Antibiotics i

Agriculture Report - Groups Press for US Ban on Antibiotics in Healthy Animals This is the VOA Special English Agriculture Report. Antibiotics are used to cure bacterial infections. But about fifty years ago, farmers started to give small amounts of

VOA标准英语2012--Antibiotics Breed Drug Resistance in Pigs

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Animals in many large livestock-raising operations around the world get a small but steady dose of certain antibiotics in their feed. Doctors around the world are finding it harder and harder to cure some infections. Bacteria are developing resistanc

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The world of tomorrow - at least according to writers of science fiction - includes human-like robots that interact with people and help society in many ways. That future is becoming a reality at Virginia Tech in Blackburg, Virginia. Meeting CHARLI I

VOA标准英语2010年-In Cameroon, TB Vaccine Breakthrough E

Deaths from tuberculosis are increasing in the developing world and especially in Africa. It's the world's second deadliest infectious disease after HIV/AIDS. In 2008, nearly two million people died of TB and researchers warn that mortality rates wil

VOA标准英语2011--Mississippi Coast Still Rebuilding 6 Yea

Mississippi Coast Still Rebuilding 6 Years After Katrina When Hurricane Katrina raged across the Gulf of Mexico six years ago, it devastated the100 kilometers of the Mississippi coast. Houses, schools, libraries and hotels became piles of broken wood

VOA标准英语2013--Progress Has Been Made In Containing Malaria, More Needs To Be Done

Progress Has Been Made In Containing Malaria, More Needs To Be Done For every minute that goes by, a child under five years of age dies of malaria. Malaria has been diagnosed on every continent, but sub-Saharan Africa is the region most afflicted. Dr

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RACHEL MARTIN, HOST: It's been a year since the most destructive fire in California history. The Tubbs Fire destroyed thousands of homes in Northern California. Now despite the risks, some are rebuilding in those very same areas. From member station

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VOA常速英语2013--海洋微生物产生未知抗生素

Marine Microbe Produces Unknown Antibiotic 海洋微生物产生未知抗生素 Next time you hit the beach, dig your feet into the sand. And consider that your toes might be mingling with the wonder drug of the future: an antibiotic strong enough to

VOA标准英语2010年-Mining Driving TB Epidemic in Sub-Saha

Some of the main driving factors of sub-Saharan Africas growing tuberculosis epidemic can be found deep underground in its gold, diamond and precious mineral mines. A new Oxford University-led study warns of the health risks faced by miners and their

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VOA慢速英语2019 DNA技术帮助农民识别作物疾病

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VOA双语新闻：埃塞俄比亚科学家荣获世界粮食奖

Ethiopian scientist was named on Thursday as the winner of the 2009 World Food Prize in an event at the U.S. State Department. Ejeta, a faculty member at Purdue University in the Midwestern U.S. state of Indiana, was honored for his work on drought a

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The second type of vaccine contains an attenuated virus. This virus is alive, but has been grown in the lab for several generations, so it isnt able to multiply very well in humans. With the attenuated virus multiplying very slowly, your body is able