Salt and Blood

06 食盐与血压的关系 DATE=2-22-01 TITLE=SCIENCE REPORT - Salt and Blood (1)Pressure BYLINE=Jerilyn Watson （Start at 1'00

Cardiovascular Disease and Women

By Nancy Steinbach Broadcast: October 8, 2003 This is Faith Lapidus with the VOA Special English Health Report. The World Health Organization says that each year almost seventeen-million people die of

2007-08-04, Dogfights: P-51 Mustang P-51野马战斗机

In 1940, North American Aviation designed the legendary P-51 Mustang in response to the British need for a high-performance fighter aircraft. The Mustang featured the most advanced laminar flow wing and a ducted cooling radiator positioned under the

英语听力文摘 English Digest 545、为什么高海拔会引起头痛？

Why Does Altitude Cause Headache? Mountain climbers face many dangers as they brave the cold winds and icy slopes and jagged cliffs of the peaks they climb. But one of the most serious dangers they face is all in their headsliterally. Why does altitu

SCIENCE REPORT - Alzheimer's Disease

SCIENCE REPORT — March 7, 2002: Alzheimer’s Disease By Nancy Steinbach This is the VOA Special English Science Report. Medical researchers say a new study shows a link between the mental condition

Powerless Aircraft Sets Altitude Record

Two pilots recently set a new altitude world record for gliders. A glider is an aircraft that does not have an engine. They are pulled into the air by powered airplanes and then released. They are designed to ride warm, rising air to gain altitude. T

UN Concerned About Outbreak of Disease in Iraq

Broadcast: Mar 28 2003 United Nations health officials are concerned about the outbreak of disease from poor water and 1) sanitation conditions in Iraq if the war 2) drags on. But so far, they say, co

VOA标准英语2011--U-2 Spy Plane Still Flying High

U-2 Spy Plane Still Flying High One of the oldest planes the United States Air Force still flies is used to carry out some of America's most sensitive and critical missions. Whether it's aiding NATO troops in Afghanistan, providing surveillance over

VOA英语2010年-Researchers Develop More Effective Prostate

In many countries, prostate cancer is among the leading causes of cancer deaths in men. Doctors rely on a blood test called PSA (prostate-specific antigen) to screen for the disease. But there are big problems with the PSA test. Now, the researchers

VOA标准英语2010年-Blood Vessel Disease Linked to Dementi

Researchers have identified a link between dementia and the brain damage that can occur in older people with high blood pressure and other forms of cardiovascular disease. High blood pressure, high cholesterol, and other conditions that affect blood

High Blood Pressure in Young Adults Could Lead to Heart Disease 青年时血压高能导致心脏病

VOA常速英语2014--High Blood Pressure in Young Adults Could Lead to Heart Disease 青年时血压高能导致心脏病 February is heart health month, and a new study that provides clues to young people about keeping their hearts healthy. The stud

美国国家公共电台 NPR Women With High-Risk Pregnancies Are More Likely To Develop Heart Disease

RACHEL MARTIN, HOST: There's some new information about heart disease in women. Some of the risk factors are well-known - smoking, poor diet and obesity. Now doctors say complications in pregnancy can put women at risk too. Anna Gorman reports from L

Low-altitude airspace to open up across China from 2013

SHENYANG, Aug. 23 (Xinhua) -- China will relax the ban on the use of low-altitude airspace across the country starting in 2013, the country's air traffic authorities said Thursday. A series of reforms will be implemented in five to ten years, creatin

2006年VOA标准英语-Scientists Hoping to Beat African Disease

By Joe Bavier Dantchandou, Niger 10 April 2006 Scientists in Niger, the world's poorest country, are using a new high-tech satellite transmission system to help with rural health care. The network of

2007年VOA标准英语-US Life Expectancy Hits New High

By Melinda Smith Washington 17 September 2007 The U.S. Centers for Disease Control and Prevention has released figures that show Americans are living longer. Experts attribute the longevity to better treatment for heart disease, cancer and stroke --

VOA标准英语2012--World-Class Runners Flock to Kenyan Town

World-Class Runners Flock to Kenyan Town Lornah Kiplagat is a Kenyan-born athlete who has won marathons throughout the world and holds several world records. She and her husband Pieter founded the High Altitude Training Center in Iten, Kenya, after r

CCTV9英语新闻：Traffic resumes in Xinjiang after 18 hour rescue

Sudden snowfall earlier this week blocked a national highway in Xinjiang Uygur Autonomous Region. The local traffic control department worked nearly 20 hours to clear the snow, and traffic in the area has now returned to normal. The snow started arou

英语听力文摘 English Digest 211、宇宙辐射

Cosmic Radiation 上世纪早期，科学家发现一种神秘的辐射形式会破坏他们的实验。后来奥地利物理学家Victor Hess研究发现辐射可能来自天空。后来他多次坐热气球用各种仪器（包括测量放射电荷的

美国文化脱口秀 第429期:10大超值海外游目的地!

年底啦，如果你在计划过年去哪儿玩或是明年的出国游，不如看看权威旅游刊物Lonely Planet推荐的2017年十大旅游目的国！这些地方，好玩儿、人少、又不贵！跟Jenny, Spencer一起体验吧！ 关键词：

找谁倚靠(慢速)04：改变高度 Change altitude

Change altitude 改变高度 Rebecca had decided that her best chance of getting hired by a company doing geological survey work in the Alaskan wilderness was to earn a private license to fly twin-engine planes. 丽贝卡觉得，要想进入在阿拉斯