2007年NPR美国国家公共电台一月-A Broken Foot, an Artificial Leg, and a R

Recording technology has changed a lot over the years, but you can still do one essential thing. You sit in front of a microphone and you tell a story, which here we are again this Friday morning because it's time for StoryCorps. It's an oral history

创新英语-Scientists Create Energy-Making Artificial Leaf

Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

Houston Faces Worsening Flooding Conditions

Houston, a city in the American state of Texas, will face worsening flooding conditions as Tropical Storm Harvey continues to rain on the city. On Friday, Harvey, the strongest storm to strike Texas in 50 years, came ashore near Corpus Christi, about

VOA标准英语2012--Low-Lying Areas of New York City Suffer Flooding

Low-Lying Areas of New York City Suffer Flooding Sounds of sump pumps fill the air in low-lying areas of New York City. Don, a water systems professional in Brooklyn, has been on the job, pumping out basements since before dawn. He says the worst flo

VOA标准英语2015--Researchers Create Artificial Skin With Sense of Touch

Researchers Create Artificial Skin With Sense of Touch Scientists have recently made considerable gains in creating human-like artificial limbs, but they still look and feel artificial. That could change with a development from South Korea. Researche

60秒科学:Artificial Muscle Brings Back Blink

Artificial Muscle Brings Back Blink A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports Most of us blin

Flooding, Landslides Kill More Than 260 in Colombia

Families and rescuers searched Sunday for victims of flooding and landslides in southern Colombia. The destruction has killed more than 260 people, Reuters reported. More than 40 children are among the dead, President Juan Manuel Santos has confirmed

VOA标准英语2009年-Flooding May Delay Start of Mauritanian Sc

By Scott Stearns Dakar 25 September 2009 People waiting to be registered for assistance in the city of Rosso, Mauritania, 25 Sep 2009 Flooding in Mauritania may delay the start of the school year as people displaced by heavy rains are living in clas

VOA标准英语2011--Mississippi Flooding Harms Agriculture i

Mississippi Flooding Harms Agriculture in Several US States Flooding along the Mississippi River has ruined crops, damaged farmland and delayed barge traffic in parts of the southern United States. Officials say diversion of some of the water through

Artificial Leaf Turns Sunlight into Electric Power

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

VOA标准英语2010年-Pakistani Flooding Impacts Fight Again

As Pakistan tries to cope with the worst flooding in its history, the country has seen several major suicide bomb attacks in the past few days against minority Shi'ites. The two major attacks, one in Lahore and the other in Quetta, killed more than 1

VOA标准英语2011--Artificial Blood Vessels Work Well, Have

Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear

VOA常速英语2008年-Rat Study Links Weight Gain to Artificial Sweet

By Melinda Smith Washington, DC 15 February 2008 Obesity is becoming a worldwide problem, even in developing countries. But diet drinks and food prepared with sugar substitutes do not seem to help curb people's appetites. Now a new study may provide

学个词Learn a Word 第1713-artificial

今天我们要学的词是 artificia。Artificial 人造的。artificial intelligence 人工智能。不久前，The FDA approved a new artificial retina device that would help some people regain part of their sight. 美国食品和药物管理局批准

2007年VOA标准英语-UN Warns North Korean Flooding May Make Dire Fo

By Kurt Achin Seoul 15 August 2007 A team representing several U.N. humanitarian agencies is in North Korea to investigate damage from heavy flooding. A U.N. spokesman says floodwaters may have done extensive damage to crops, further worsening the N

VOA标准英语2009年-West Africans Displaced by Flooding

Heavy rains in West Africa have affected more than 350,000 people. Our correspondent reports, flooding has killed at least 32 people in Ghana and Burkina Faso. View of the flooded streets of Ouagadougou, Burkina Faso, 01 Sep 2009 More than 150,000 p

VOA标准英语2009年-Flooding Displaces Hundreds of Thousands i

Nearly 600,000 West Africans are affected by floods, following three months of rain. The unusually heavy rainy season is expected to continue through the end of September. The latest United Nations assessment of West African flooding says more than

VOA标准英语2011--Artificial Speech Mimics Real Thing

Artificial Speech Mimics Real Thing 合成声音发展渐入佳境 未来虚拟声音真假难辨 At a University of Arizona laboratory, Professor Brad Story analyzes the voices of singers, actors and public speakers both live and on audio tape. 在亚

VOA常速英语2008年-Severe Flooding Expected During Afghan Spring T

By Lisa Schlein Geneva 17 February 2008 United Nations aid agencies warn the onset of spring in Afghanistan is expected to bring severe flooding in many parts of the country. They say they are gearing up to help tens of thousands of Afghans survive t

学个词 Learn a Word-VOA英语教学 2582 flash flooding

今天我们要学的词是 flash flooding. Flash flooding 名词，骤发洪水。President Obama declared a major disaster in West Virginia after flash flooding left at least 24 people dead. 西维吉尼亚州骤发洪水造成至少24人丧生，奥