This is the VOA Special English Education Report. A new report says the number of foreign students in the United States reached a record high in two thousand eight. More than six hundred seventy thousand international students attended an American c

发表于:2018-12-07 / 阅读(60) / 评论(0) 分类 VOA慢速英语2009年(十一)月

Technology Report - Golden Gate Bridge Still Shining Strong After 75 Years This is the VOA Special English Technology Report. The Golden Gate Bridge is celebrating its seventy-fifth anniversary. The bridge opened to vehicle traffic on May twenty-eigh

发表于:2018-12-16 / 阅读(61) / 评论(0) 分类 2012年VOA慢速英语(六)月

The Springfree Trampoline won the US Childrens Product of the Year Award this year. Springfree was designed by Professor Keith Alexander of Canterbury University Mechanical Engineering department. He designed it because he wanted a safe trampoline fo

发表于:2019-01-09 / 阅读(72) / 评论(0) 分类 新西兰英语

This is the VOA Special English Development Report. Some young engineers from the United States have brought the Internet to several areas of rural Kenya. Their idea was to connect the communities to the Web by satellite. But there was a problem. Th

发表于:2019-01-11 / 阅读(58) / 评论(0) 分类 VOA慢速英语2009年(二)月

A new education survey reveals that chief executives at America's largest corporations fear the U.S. could lose its competitive edge in science and technology because of a shortage of trained workers. Leaders questioned in the survey advocate greate

发表于:2019-01-12 / 阅读(80) / 评论(0) 分类 VOA标准英语2008年(九月)

By Odil Ruzaliev Washington 01 May 2007 For centuries, nomads wandered the steppes of Central Asia living in tents. One of the critical engineering elements of these flimsy structures was the tent band designed to brace the roof. Over time, these ban

发表于:2019-01-13 / 阅读(111) / 评论(0) 分类 2007年VOA标准英语(五月)

By Tom Rivers London 19 May 2008 British lawmakers voted Monday to allow the use of animal-human hybrid embryos in stem cell research. These new embryos will be created in labs injecting empty animal eggs with human genetic material. For VOA, Tom Riv

发表于:2019-01-13 / 阅读(70) / 评论(0) 分类 VOA标准英语2008年(五月)

Dengue Severity Depends on Prior Infection, Genetic Variation American and Nicaraguan scientists have discovered the reason why a second infection with dengue can often be much more serious, even fatal, than the first. Dengue is a viral disease sprea

发表于:2019-01-13 / 阅读(72) / 评论(0) 分类 VOA标准英语2011年(十二月)

A group of scientists has unveiled what they say is the most comprehensive study ever of African genes which they say gives new insight into the origins of humans. The genetic study, a compilation of two big studies, confirms theories that modern hu

发表于:2019-01-13 / 阅读(79) / 评论(0) 分类 VOA标准英语2009年(五月)

Scientists Unravel Potato's Genetic Blueprint Scientists have decoded the genetic blueprint of the world's third most important food crop: the potato. Researchers from 26 institutions around the world worked on the project to sequence, or map, the po

发表于:2019-01-14 / 阅读(90) / 评论(0) 分类 VOA标准英语2011年(七月)

Radio Essays Explore Technological Creativity There are mechanisms in nature as well as in human endeavors like engineering and art. Since 1988, the creative manipulation of these mechanisms has been explored in short radio essays about the history o

发表于:2019-01-14 / 阅读(67) / 评论(0) 分类 VOA标准英语2011年(十月)

Veggies Help Fight Genetic Heart Attack Risk A new study finds that a diet high in fruits and vegetables can reduce the danger of heart disease among people at highest risk. Scientists found healthier eating can turn off the risk gene and mitigate th

发表于:2019-01-14 / 阅读(58) / 评论(0) 分类 VOA标准英语2011年(十月)

Green Card Lottery Faces Elimination Under US Immigration Reform Two years ago Rafiq-ul-Islam won a U.S. permanent resident visa through the Green Card Lottery and came to the United States from Bangladesh -- with little more than the clothing he own

发表于:2019-01-14 / 阅读(87) / 评论(0) 分类 VOA标准英语2013年(五月)

Scientists Analyze Modern Tennis Technique of Sliding 科学家分析现代网球技术中的滑动 Sliding to return a shot is a common tennis practice on clay courts, but lately players have started using it on grass and hard courts as well. Scient

发表于:2019-01-14 / 阅读(57) / 评论(0) 分类 VOA标准英语2015年(十一月)

RACHEL MARTIN, HOST: It's gotten way easier for people to get their DNA tested for health reasons. Nowadays people can get their genes scrutinized to determine whether they are carrying genetic diseases they could pass on to their kids or whether the

发表于:2019-01-17 / 阅读(35) / 评论(0) 分类 2018年NPR美国国家公共电台6月

Its called the Great Migrationthe journey of some six million African-Americans from the rural south to northern and western cities between 1910 and 1970. The cultural impact of the Great Migration has been well documented. But researchers have also

发表于:2019-01-17 / 阅读(115) / 评论(0) 分类 2016年Scientific American(十)月

By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis

发表于:2019-01-26 / 阅读(202) / 评论(0) 分类 2006年VOA标准英语(九月)

Scientists Study Genetic Basis of Autism Scientists have taken another big step toward identifying the genetic flaws which may cause autism, a type of neurological development disorder. In the latest development, laboratory mice have been genetically

发表于:2019-01-31 / 阅读(81) / 评论(0) 分类 VOA标准英语2011年(十月)

From 'The Water's Edge To The Cutting Edge': Fish Skeletons, CT Scans And Engineering MICHEL MARTIN, HOST: So now it's time for a fish tale - no pun intended. Have you ever asked yourself, how can a fish as soft as a stingray crush hardshell prey? Yo

发表于:2019-02-13 / 阅读(61) / 评论(0) 分类 2016年NPR美国国家公共电台8月

MICHEL MARTIN, HOST: We've been checking in every so often with Boyan Slat. He's the CEO of The Ocean Cleanup. That's an environmental organization he founded to develop technology to clean up plastic in the ocean. Now, we spoke with Mr. Slat back in

发表于:2019-03-04 / 阅读(152) / 评论(0) 分类 2019年NPR美国国家公共电台1月