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

CNN 2010-03-08

Dana joins us now live from Washington. So, Dana, you know, what is your take here? Is this typical political theater of someone's who's not going to be re-elected? Or is it a true sign of growing rage over the fact that we're spending money that we

闭着眼睛飘单词 四级词汇60

[0:0]strip structure studio脱光衣服，剥去 结构，构造 画室，摄影棚 [0:31.9039]stuff style submerge submit原料，材料 风格，文体，样式 潜入水中，淹没 屈服，听从 [1:16.6271]subsequent substance substantial substitute随后的，后来的 物质，实质，要旨 可观

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

Dental Health

07 牙病的预防与治疗 DATE=2-27-01 TITLE=SCIENCE IN THE NEWS #2113 - (1)Dental Health BYLINE=Nancy Steinbach VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the

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

美国英语听力80篇1 Lesson20

[00:06.48]Lack of Vitamin A is the leading cause of blindness among children in deveoping countries. [00:14.55]These children do not get enough Vitamin A in the food they eat. [00:21.11]In Africa,more than 3,000,000 children suffer from blindness or

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

VOA慢速英语20060620b

SCIENCE IN THE NEWS - Food for Thought: How Vitamins (Once Spelled 'Vitamines') Are Important to HealthBy Nancy Steinbach Broadcast: Mon, 19 Jun 2006 16:00:00 UTC (MUSIC) VOICE ONE: This is SCIENCE IN

不为人们重视的光污染

61 不为人们重视的光污染 ENVIRONMENT REPORT - August 31, 2001: Light PollutionBy Mario Ritter （Start at 1'01

VOA慢速英语2014 What's the Matter?

What's the Matter? Now, the VOA Learning English program, Words and Their Stories. The English language has a number of hard-working words. People use these words in many different ways and in many different expressions. One such example is the word

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

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

Cheese from Camels

> 79 如何提取骆驼奶制作乳酪 DATE=8-7-01 TITLE=AGRICULTURE REPORT - Cheese from Camels BYLINE=George Grow （Start at 59

Testing of Drugs

81 一年轻妇女死于药品试验 DATE=8-11-01 TITLE=IN THE NEWS #493 - Testing of Drugs BYLINE=Nancy Steinbach （Start at 1'05

New Broccoli Study

21 只有部分椰菜可以预防癌症 DATE=3-15-01 TITLE=SCIENCE REPORT - New Broccoli Study BYLINE=George Grow (Start at 58

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

万物简史 第382期:浩瀚的海洋(1)

18 The Bounding Main 第十八章 浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下，你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so