SSS 2008-08-29

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. This will just take a minute. Youve probably chased a fly or two around the house this summer. And, chances are, it took a few swings before you brought down the buzzing nuisance.

VOA慢速英语2010年-Health Report - Hand Washing Is Up in

This is the VOA Special English Health Report. Every few years, two groups do a study of how many Americans wash their hands after using the toilet. These groups are the American Society for Microbiology and the American Cleaning Institute, formerly

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[全屏观看] 点击右键- 另存为 可保存这个Flash影片

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aspirin 阿斯匹林 dentist 牙医 earache 耳朵疼 flu 流行感冒 have a headache 头痛 have a stomachahe 胃痛 have a temperature 发烧 have a toothache 牙痛 have an earache 耳朵痛 have flu 得了流行性感冒 have measles 得了麻疹

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World Hepatitis Day is observed on May the 19th. It aims to increase awareness worldwide of the diseases hepatitis B and hepatitis C. Its hope is to encourage the prevention and diagnosis of these two diseases, and increase the number of people who r

学个词 Learn a Word-VOA英语教学 3115 tit for tat

今天我们要学的词是tit-for-tat. Tit-for-tat意思是针锋相对，以牙还牙。Islamist militants' attacks and tit-for-tat violence between rival ethnic groups have cast doubt on Mali's upcoming elections. 伊斯兰国激进分子的袭击和

NASA Reveals Close-Up Images of Saturn's Mysterious Moon Tit

By Jessica Berman The U.S. space agency has released the first close-up pictures of Titan, Saturn's secretive, giant moon. Photos from the international Cassini spacecraft show the orbiting object shr

SSS 2009-08-12

Youve given some thought to oxygen, carbon, uranium. But youve probably never mused about the element ytterbium, symbol Yb. A new study by scientists at the National Institute of Standards and Technology, or NIST, says that ytterbium could find a rol

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By Chad Bouchard Jakarta 24 January 2007 Experts say a Southeast Asian terrorism network has expanded its influence in Central Sulawesi amid escalating violence during the past month. A new report from the International Crisis Group says terrorist ce

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The U.S. Special Inspector General for Iraq Reconstruction has criticized the State Department for its management of nearly $3 billion in contracts and grants in Iraq. In two reports, auditors cited weak and ineffective State Department oversight of

VOA标准英语2010年-US Government Considering Genetically

The US government is considering, for the first time, the approval of a genetically-modified animal for human consumption. The animal being considered is salmon, but approval could open the door for other animals as well. Those who favor the move say

VOA标准英语2010年-Stomach Cancer on Rise Among Certain Y

Stomach cancer is one of the deadliest diseases, and ranks second among cancers worldwide with at least 800,000 deaths yearly. But in the United States, the number of cases has been declining, except for among one group of Americans. Glenda Reimer, h

VOA标准英语2010年-Fruit Flies Could Unlock Mystery of Al

At Scripps Research Institute in Jupiter, Florida, scientists are working to find clues about how the human brain processes memories. Their laboratory test animal is not a chimp or a dog or a rat animals that we know can remember things it is the com

VOA慢速英语2010年-Development Report - Cancer May Soon B

This is the VOA Special English Development Report. Health experts predict that soon, more people will die from cancer than from AIDS, tuberculosis and malaria combined. They expect that by two thousand ten, cancer will become the world's leading cau

VOA标准英语2010年-Early Signs of Glaucoma Show up in Bra

Glaucoma is the leading cause of irreversible loss of vision worldwide and now doctors believe the devastating disease begins in the brain and not in the eye as has long been thought. Dr. David Calkins, director of research at the Vanderbilt Eye Inst

2007年VOA标准英语-Violence Leaves 27 Dead in Pakistan as Politica

By Benjamin Sand Islamabad 12 May 2007 At least 27 people have been killed in clashes between pro- and anti-government activists in Pakistan's largest city, Karachi. VOA correspondent Benjamin Sand reports from Islamabad the widespread violence repre

英语小达人 372 Tit for Tat

Tit for Tat针锋相对An American lady traveling in England some years ago, got into an compartment of a smoking carriage where an Englishman was smoking a pipe. For a short time she sat quietly expecting that the Englishman would stop smoking. But

Johns Hopkins Malaria Institute

72 约翰斯·霍普金斯疟疾协会 DATE=7-19-01 TITLE=SCIENCE REPORT - Johns Hopkins Malaria Institute BYLINE=Jill Moss (Start at 01'0

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