美国国家公共电台 NPR Dessa Separates Head From Heart, With A Little Help From Science

RACHEL MARTIN, HOST: The musician Dessa is kind of a science geek. She doesn't use those exact words to describe herself, but it is clear from recent projects that she is fascinated with how the brain works and how the head ends up affecting the hear

Step by Step2000 第三册 Unit 5 Health and Medicine

Unit 5 Health and Medicine Part I Warming up A1 1. This news item is about a successful brain tissue transplant carried out by a South African surgeon. 2. This news item is about the discovery of a new way to increase the effectiveness of chemotherap

英语听力：2012-01-20 从南极到北极 From Pole To Pole—2

The penguins stay when all other creatures have fled because each guards a treasurea single egg rested on the top of its feet and kept warm beneath the downy bulge of its stomach. There is no food and no water for them. And they will not see the sun

学外语最佳方法：造一个文化孤岛

Are you trying to learn a new language in a foreign land? You might be better off if you stopped looking at that picture of your family and friends. 你是否正身处异国他乡，正在努力学习一门新的语言？如果你能放下那张家人和

The Struggle for a Dependable Test for Alzheimer's Disease

FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today we tell about Alzheimers disease. More than a century after its discovery, Alzheimers disease is still destroying peoples bra

After Brain Study, New Questions About Mobile Phones

This is the VOA Special English Health Report. How important is your mobile phone, better known to Americans as a cell phone? MAN: I use my phone all the time. I'm always on my phone. WOMAN: It's kind of pretty much important to me because it's like

VOA慢速英语2012 Technology Report - Using the Brain to Move a Robotic Arm

Technology Report - Using the Brain to Move a Robotic Arm This is the VOA Special English Technology Report. Cathy Hutchinson is a tetraplegic. She has not been able to move her arms, legs or speak since suffering a stroke nearly fifteen years ago. R

VOA慢速英语2012 Education Report - Can Brain Scans of Young Children Predict Reading Problems?

Education Report - Can Brain Scans of Young Children Predict Reading Problems? 教育报道 - 儿童脑部扫描是否可以预测诵读障碍？ This is the VOA Special English Education Report. 这里是美国之音慢速英语教育报道。 Dysle

VOA标准英语2008年-Conflicting Reports Arise About Role of French

By Alisha Ryu Nairobi 20 June 2008 The office of the president of Somalia's transitional federal government says there have been misleading reports regarding an agreement President Abdullahi Yusuf signed last month with a private French military com

美国国家公共电台 NPR A Brain Scientist Who Studies Alzheimer's Explains How She Stays Mentally Fit

NOEL KING, HOST: All right, we know that giving your mental muscles a workout can help keep your brain sharp as you get older. The question is what does that workout look like? Is it crossword puzzles? Is it computer games? To find out, NPR's Jon Ham

英语听力：2012-01-22 从南极到北极 From Pole To Pole—3

But they are hungry and eager to reach their mother whos delayed feeding them on this special day. Now she lures them with the promise of milk, the only food the cubs have known since they were born, deaf and blind beneath the snow some two months ag

英语听力：2012-01-25 从南极到北极 From Pole To Pole—4

Day 10. And the mother has let her cubs a mile from the den. Its time to put them to the test. Theyve grown enormously in confidence, but they dont have their mothers sense of urgency. At last it seems that they are ready for their journey. And they

英语听力：2012-01-29 从南极到北极 From Pole To Pole—6

Midsummer on the tundra and the sun does not set. At these altitudes, the suns rays are glancing and not enough of their energy reaches the ground to enable trees to grow. Youll need to travel five hundred miles south from here before that is possibl

英语听力：2012-02-01 从南极到北极 From Pole To Pole—7

As we travel south, so the suns influence grows stronger. And at 50 degrees of latitude, a radical transformation begins. Summers here are long enough for broadleaf trees to replace conifers. Broadleaves are easier to eat and digest, so now animals c

英语听力：2012-02-05 从南极到北极 From Pole To Pole—9

The advance of the seasons brings constant change. As the suns influence diminishes in the north, so the deciduous forests of America begin to shut down, losing their leaves in preparation for the dark, cold months ahead. One season hands over to ano

英语听力：2012-02-03 从南极到北极 From Pole To Pole—8

Deer are frequent casulties of the harsh winter. And these leopards are not above scavenging from a corpse. African leopards could never survive here. But the Russian cats have thick fur to shied them from the cold. There are only 40 Amur leopards le

英语听力：2012-02-26 从南极到北极 From Pole To Pole—18

The dogs know their prey must come out or drown. Now its a waiting game. The rest of the pack are calling. Theyve made a kill in the forest and this is an invitation to join in the meal. The impala is in luck. A pack this size kills once a day and ev

英语听力：2012-02-17 从南极到北极 From Pole To Pole—14

All across southern Africa, all animals are journeying for the same reason. Buffalo join the great track. Nowhere else on Earth are so many animals on the move for the same urgent purpose. They are all heading for the swamps of the Okavango, a vast i

VOA标准英语2010年-Blocking Pain at its Source

Research for new painkiller finds inspiration in chili peppers Naomi Seck | Washington, DC 04 May 2010 Inspired by chili peppers, researchers are working toward a painkiller that could stop the brain from registering the presence of pain. Related Lin

5 Unusual Ways to Achieve Super Quality Sleep

It seems like every sleep expert has reduced the fascinating topic of sleep to a boring set of rules: * Keep your room dark. * Take a warm bath. * Keep the bedroom for sleep and sex only. * Avoid caffeine x hours before bedtime (where x depends on wh