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

VOA标准英语2013--In Islamabad, Mixed Reactions to Musharraf Return

In Islamabad, Mixed Reactions to Musharraf Return On the streets of Pakistan's capital, reactions to former military president Pervez Musharraf's return to the country's political scene are mixed. For residents like Azim Ehsan Qazi, the possibility t

美国习惯用语:837 a mixed bag

我姐姐刚在一个高尚社区买了房子，那里住的都是医生、律师这一类的高薪单身贵族，跟我住的地方截然不同。我们这里有单身汉、有年轻父母、有双职工、也有不上班的专职妈妈;有白领，也

英语语法：72 Mixed Metaphors

Grammar Girl here. Today's topic is mixed metaphors. Politicians often provide good fodder for language commentary, and one of Barack Obama's comments during the debates has been rattling around in my head for a while now. He made a comment that some

英文笑话：Problem with gas放屁的问题

A little old lady goes to the doctor ... and says,

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

Gas Shortage Intensifies in Mexico

Broadcast: Feb 13, 2003 Demand for electricity is growing in Mexico, but the state-owned oil company, known as Pemex, is reducing the amount of natural gas it can provide for electrical generation. Th

VOA标准英语2010年-America's Mixed-Race Kids Examine Thei

At least seven million Americans identify themselves as belonging to more than one race, and interest is rapidly growing in issues of multi-racial identity. In his new book, Mixed, writer and artist Kip Fulbeck presents a collection of portraits cele

VOA标准英语2008年-Gas Prices Soar, Americans Buy Smaller Cars

By Deborah Block Washington 13 May 2008 As the price of gasoline continues to rise in the U.S., more Americans are buying smaller, more fuel-efficient vehicles. Others are holding on to their big cars, in hopes that gas prices will eventually go down

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

英语博客(A cup of English):013 Do you have gas?

Do you have gas? Beginners. What kind of a question is that? Are you talking about my body or my car? Well, actually, I am talking about your car. Gas, or petrol, as it is called in England, is a big subject at the moment. Driving a car has become re

VOA常速英语2008年-Israel to Redistribute Gas Masks Amid Fears of

By Robert Berger Jerusalem 02 April 2008 Israel is strengthening security on its home front in a sign of war jitters. As Robert Berger reports from VOA's Jerusalem bureau, Israel is casting a wary eye toward Iran. Israel's security Cabinet has decide

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常速英语2007年-Mixed Reactions Voiced by Israelis and Palestin

By Jim Teeple Jerusalem/Ramallah 28 November 2007 There has been a mixed reaction in Israel and the Palestinian territories to the Annapolis Mideast peace conference. VOA's Jim Teeple spoke with Palestinians in the West Bank city of Ramallah, and wit

VOA常速英语2008年-IMF Gives Afghanistan Mixed Economic Review

By Barry Wood Washington 20 February 2008 The International Monetary Fund Wednesday gave Afghanistan a mixed economic report card, saying the country's overall reforms are on track but corruption and a dramatic rise in opium production pose significa

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