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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.
Scientific American(八)月
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
2010年VOA慢速英语(九)月
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北美小学生英语一年级教材（牛津英语教材）
In a major change to his cabinet, US President Trump has fired Secretary of State Rex Tillerson and nominated CIA Chief Mike Pompeo to replace Tillerson as his top diplomat. While the announcement of the decision may be sudden, it did not come as a c
2018CRI中国国际广播电台
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
英语课程学习计划和讲义
Mini T. Rex Recovered In a study in the journal Science, researchers announce the discovery of a dinosaur 125 million years older and one-nintieth the size of T. Rex, but having virtually the same body plan as the giant dino. Cynthia Graber reports.
60秒科学
一个历史性的节点变成一场历史性的闹剧，腐国脱欧公投这事儿真是闹个不停从全球瞩目的公投结果脱欧卡梅伦撩膀子不干了英国人民悔了苏格兰嚷嚷着要独立入欧欧盟决定或把英语剔除欧盟
英文语法词汇
By Ravi Khanna New York 04 April 2007 New York City is home to the famous Lee Strasberg Theater and film institute, which is known for training actors in what it calls method acting. Urdu TV' s Ravi Khanna went inside the institute to find out more f
2007年VOA标准英语（四月）
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
Scientific American(八)月
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(一月)
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(七)月
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(五)月
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标准英语2010年(三月)
RACHEL MARTIN, HOST: The U.S. secretary of state, Rex Tillerson, begins a six-day sweep through East Asia today. It's his first trip to the region as America's top diplomat. And his first stop is Japan. And as NPR's Elise Hu reports, he heads into a
2017年NPR美国国家公共电台3月
ROBERT SIEGEL, HOST: The Flynn guilty plea, the Senate Republican tax bill, the talk of a shakeup at the State Department - those are the developments we're going to discuss now with our Friday political commentators, E.J. Dionne, columnist with The
2017年NPR美国国家公共电台12月
DAVID GREENE, HOST: Maybe you've seen the film Jurassic Park, and you remember that scene where the Tyrannosaurus rex escapes its pen and attacks guests at the theme park. You might remember those imposing teeth. Well, in real life, the T. rex had th
2017年NPR美国国家公共电台5月
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
2010年慢速英语(三)月
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
英语小达人
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
科技之光
Offering Substitute 提供代用品 Specimen Letters1. Offering Rayon in Place of Watered Silk提供人造丝代替水洗丝Dear Sirs,Thank you for your fax of yesterday (April 3) with your order No.456 for 5,000 metres of 100cm wide watered silk. We
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