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

2014年ESL之商务英语 20 Farming and Agribusiness

Farming and Agribusiness Brad: Is this your first visit to this area? Irene: It is and Im surprised to see so many farms. I thought farming was a dying industry. Brad: Family farms and small-scale farming are disappearing, but agribusiness is alive a

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

VOA标准英语2012--Blended Organic-Conventional Farming Could Feed World

Blended Organic-Conventional Farming Could Feed World In rural Maryland, an hour-and-a-half drive from Washington, Bill Mason is tilling his fields to plant organic maize and soybeans. About two-thirds of his 340 hectares are organic, but not all of

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

AGRICULTURE REPORT - Fish Farming

AGRICULTURE REPORT - Fish Farming By Mario Ritter Broadcast: Tuesday, June 15, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Fish is an important food for many people. In s

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AGRICULTURE REPORT – June 25, 2002: Organic Farming Study By George Grow (Photo -Scott Bauer) This is the VOA Special English Agriculture Report. Agricultural scientists in Switzerland have demonstr

VOA慢速英语-Development Report - Farming Techniques That Will Fe

This is the VOA Special English Development Report. Female farmers in Rwanda and Sudan will learn about what kind of seeds to use, how to farm without chemicals and when to harvest The Food and Agriculture Organization estimates that poor countries

VOA标准英语2008年-African Countries Move to Bio-Farming to Allevi

By Peter Heinlein Addis Ababa 15 May 2008 Growing enough food to alleviate shortages in African countries is not easy, but an agro-ecologist in Ethiopia thinks he has the answer: bio-farming. The technique uses animal waste products to produce energy

VOA标准英语2013--More Land Being Used for Organic Farming

More Land Being Used for Organic Farming More land around the world is being dedicated to organic farming. The Worldwatch Institute says since 1999 theres been a more than three-fold increase to 37 million hectares. Organic farming is farming without

VOA标准英语2011--Urban Farming Grows in Detroit

Urban Farming Grows in Detroit Detroit is a U.S. city that has been hit hard by poverty and dilapidation in recent decades. But its citizens are working on a grassroots strategy to rejuvenate their city with urban farming. Urban farms and gardens are

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

美国国家公共电台 NPR 7 Years After BP Oil Spill, Oyster Farming Takes Hold In South

SCOTT SIMON, HOST: A new kind of farming is taking hold here in Alabama, oyster aquaculture along the Gulf Coast. Some commercial fishermen now harvest oysters. NPR's Debbie Elliott, whom we know, reports. DEBBIE ELLIOTT, BYLINE: You drive 8 miles do

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

AGRICULTURE REPORT - No-Till Farming Gains Ground Around the

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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

环球英语 — 142：World Health Day: Farming Methods

Voice 1 Hello, Im Marina Santee. Voice 2 And Im Ruby Jones. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 I read of climate c