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

VOA慢速英语--Agriculture Report - Surviving a Drought: A Farmer's Old-Fashioned Lessons

Agriculture Report - Surviving a Drought: A Farmer's Old-Fashioned Lessons This is the VOA Special English Agriculture Report. In recent days the remains of what had been Hurricane Isaac moved into the American Midwest. The storm brought rain to some

访谈录 2008-04-13&4-15 芝士工厂的绿色农副产品

Our Making a Different report tonight is how Brothers are going green, a little bit at a time, by transforming an American tradition. Here is NBCs Roger ONeil down on the farm in Wisconsin. Making fine Wisconsin cheese drives the economic engine 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

2006年NPR美国国家公共电台三月-Chicken and Hog Farms Measured for Air Po

Renee Montagne: This is Morning Edition from NPR News. I'm Renee Montagne. Steve Inskeep: And I'm Steve Inskeep. Federal environmental officials are starting to monitor the source of air-pollution that they largely ignored in the past--farms. As par

Robots in the Field: Farms Turning to Autonomous Technology

Farmer Jamie Butler is testing a new worker on his farm in Englands Hampshire countryside. Butler hopes the new worker will help the 180-hectare farm produce more wheat and not harm the environment. The laborer does not say a thing while inspecting B

Bird flu discovered in Dutch farm

THE HAGUE, June 24 (Xinhua) -- Bird flu was discovered at a poultry farm in the central Dutch province of Flevoland, the Ministry of Agriculture said Friday. It said the virus discovered was a mild variant. The farm's 47,000 chickens were slaughtered

VOA标准英语2010年-Self-Described 'Farm Wife' Becomes Pol

Lynn Henning samples water for pollution from the large livestock farms near her home in rural Michigan. Lynn Henning samples the waters for pollution from the large livestock farms near her home in rural Michigan. But it's not her job. I have no che

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 Farmers Fight Environmental Regulations

DAVID GREENE, HOST: In the fight over how we treat our environment, farms can be a battleground. NPR's Dan Charles reports here on how regulations meant to protect land and water are being challenged by farmers. DAN CHARLES, BYLINE: Environmentalist

美国国家公共电台 NPR Black Farmers Are Sowing The Seeds Of Health And Empowerment

SCOTT SIMON, HOST: More than 9 out of 10 farm owners in the United States are white, according to the Bureau of Labor Statistics. And there's a growing movement to try to change that. The goal is to help more people of color become farmers and to mak

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

VOA标准英语2009年-Lax Enforcement, Rules On Farm Waste I

Agricultural runoff from fertilizers, chemicals and animal waste is responsible for about half the pollution in the Chesapeake Bay. The U.S. Enviromental Protection Agency is stepping up enforcement and working with the United States Department of Ag

VOA标准英语2009年-Moroccan Villagers Make Their Desert B

International aid paid for a water pump and aid workers trained the farmers in fertilizing and irrigation Solana Pyne | Hart Chaou, Morocco 09 December 2009 Moroccan community farm could be a model for other drought-prone regions The edge of the Saha

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

Five Cool Ways to Turn Trash Into Treasure

When we think of waste, we dont usually think utility. Yet, as we face droughts, limited landfill space, and depleting natural resources, weve been forced to reconsider our castoffs, with interesting results. These five case studies show that with in