Fuel Cell Cost-Cutting

By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

跟希哥学英语 第12期:Skin syndrome

Hot laptops lead to toasted skin syndrome 使用笔记本电脑导致烘烤皮肤综合征

The Ghost In Your Genes - 2 基因外遗传现象

Marcus Pembrey is one of a select band of scientists, a band of scientists who are daring to challenge an orthodoxy . They believe the lives of our parents, grandparents, and even our great grandparen

美国国家公共电台 NPR For People With Chronic Fatigue Syndrome, More Exercise Isn't Better

DAVID GREENE, HOST: A new study has found that most skin moisturizers are labeled incorrectly. We'll hear about that, but first, there are new guidelines for treating chronic fatigue syndrome, or MECFS. At least a million people in the U.S. are affec

英语课程计划-World Down Syndrome Day

World Down Syndrome Day is on March the 21st every year. It is on this day because the number 21 is important in the identification of Down Syndrome. The condition is created by a 21st, extra chromosome being replicated three times, thus causing the

国家地理-2008-05-24 Fuel Cell 聚焦燃料电池

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea

2007年VOA标准英语-Too Much Cell Phone Use May Cause Hearing Loss

By Carol Pearson Washington 25 September 2007 A lot of people wonder about the impact cell phones might have on their health. And now a new study shows that heavy mobile, or cell, phone use may result in hearing loss. VOA's Carol Pearson reports. As

2007年VOA标准英语-Study Shows Restless Leg Syndrome Traced to Gen

By Melinda Smith Washington 23 July 2007 It has been estimated that ten percent of people worldwide suffer from Restless Leg Syndrome . RLS is a neurological disorder that makes it difficult to sit or lie still for long periods of time. The disorder

HEALTH REPORT - Post Polio Syndrome

HEALTH REPORT - Post Polio Syndrome By Karen Leggett Broadcast: Wednesday, April 14, 2004 This is the VOA Special English Health Report. Polio is a disease of the muscles and the nervous system. It is

VOA慢速英语-Health Report - Understanding Down Syndrome

This is the VOA Special English Health Report. Deep inside each cell in our body is all the genetic information needed for life. Human genes are normally organized along forty-six chromosomes -- twenty-three from each parent. David Petersohn of Libe

VOA标准英语2008年-Cell Phones Allow Countries to 'Leapfrog' Techn

By Bill Rodgers Washington 19 May 2008 Cell phones are an example of what is sometimes now called leapfrog technology, a product that allows developing nations the benefits of a reliable and extensive communications network without the heavy investme

VOA标准英语2010年-Hong Kong Scientists Find New Way to F

Dr. Richard Kao is part of the team that discovered a chemical compound called nucleozin thatt clumps together nucleoproteins from the flu virus, so they cannot get into a healthy cell's nucleus Researchers in Hong Kong have discovered a new way to s

美国国家公共电台 NPR Down Syndrome Families Divided Over Abortion Ban

SARAH MCCAMMON, BYLINE: Ohio might soon become the latest state to restrict abortions. A bill to ban doctors from performing abortions after a Down syndrome diagnosis has passed both chambers of the state legislature and could be on its way to the go

学个词 Learn a Word-VOA英语教学 3014 Down syndrome

今天我们要学的词是 down syndrome. Down syndrome 唐氏综合症。An 18-month-old baby with Down syndrome has been chosen by baby food maker Gerber as its Spokesbaby for 2018. 一个18个月大患有唐氏综合症的幼儿被美国幼儿食品

Mare Reproductive Loss Syndrome

55 肯塔基州的母马不育症 DATE=6-7-01 TITLE=SCIENCE REPORT - Mare Reproductive Loss Syndrome BYLINE=George Grow (Start at 59

VOA常速英语2007-Conference Says Stem Cell Research is Robust

By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app

VOA常速英语2008年-FCC Approves Cell Phone Alert System

By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo

Researchers make sperm from stem cell in dish

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

Turn Off Your Cell Phone 关掉你的手机

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

U.S. researchers discover human lung stem cell

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi