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

2017年CRI Eating Sand Worms

Join us for our last ever show, as we bid farewell to Travelling with Stu-pid and the C4 Show. And how are we going to celebrate? By eating sand worms. WHAT? Yes, worms that live in the sand.

英语听力文摘 English Digest 563、植物的自我防御！

Plant Self-defense Plants may appear to be helpless in the face of hungry,toothy animals but many plants have evolved interesting systems of self-defense. Coarse meadow grasses are a good example. If you run your finger along a blade of coarse grass,

精美英文欣赏:A Grain of Sand

A Grain of Sand 一粒沙子 William Blake/威廉.布莱克 To see a world in a grain of sand, And a heaven in a wild fllower, Hold infinity in the palm of your hand, And eternity in an hour. 从一粒沙子看到一个世界， 从一朵野花看到一

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

EXPLORATIONS - The Indiana Dunes: Beautiful Sand Hills and W

EXPLORATIONS - The Indiana Dunes: Beautiful Sand Hills and Wildlife in America's Midwest By Jerilyn Watson Broadcast: Wednesday, April 27, 2005 (MUSIC) VOICE ONE: This is Faith Lapidus. VOICE TWO: And

美国硅砂矿引发社区担忧

AS IT IS 2015-07-14 Silica Sand Mining Worries Communities 美国硅砂矿引发社区担忧 The United States is increasing production of oil and natural gas through a process known as fracking. This process is sometimes called hydraulic fracking be

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

美国国家公共电台 NPR An Epidemic Is Killing Thousands Of Coal Miners. Regulators Could Have Stopped It

AILSA CHANG, HOST: Despite mounting evidence and a stream of dire warnings, federal regulators and mining companies failed to protect coal miners from toxic dust. MARY LOUISE KELLY, HOST: NPR and the PBS series Frontline spent more than a year lookin

英语儿歌274首 第262期:Who is playing in the sand

歌词如下： Who is playing in the sand on the beach today? Who is wearing sunglasses on the beach today? Who is lying on a blanket on the beach today? And who is building a sand castle on the beach today? It's sunny. It's hot. And I'm swimming in

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

Sand and Stone 沙子和石头

The story goes that two friends were walking through the desert. During some point of the journey they had an argument, and one friend slapped the other one in the face. 两个朋友结伴穿越沙漠，旅途中二人突然吵了起来，其中一个掴

英语歌曲:Leona Lewis专辑精品 Footprints In The Sand

Leona Lewis首张专辑中的精品 Footprints In The Sand You walked with me Footprints in the sand And helped me understand Where I'm going You walked with me When I was all alone With so much unknown Along the way then I heard you say I promise yo

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音乐咖啡厅:Ruben Studdard - Footprints in the sand

音乐咖啡厅:Ruben Studdard - Footprints in the sand 相关介绍：2003年5月21日，在第二季的美国偶像大赛(American Idol)决赛上，一个身材巨肥硕的黑小伙，被评委称为天鹅绒般的泰迪熊(Velvet Teddy Bear)的RB歌

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