This is Scientific Americans 60-Second Science, I am Cynthia Graber, this will just take a minute. The disease hepatitis C might provide a new tool in the fight against HIV AIDS ,say scientists at the Scripps Institute and in the Netherlands.The rese

发表于:2019-01-08 / 阅读(87) / 评论(0) 分类 Scientific American(四)月

In fiscal year 2009, US took in nearly 19,000 Iraqi refugees, but for many refugees from Iraq, starting life anew in America is not easy Steve Mort | Tampa, Florida 29 January 2010 Iraqi immigrants Hayder Abdul-Wahab (left) and his wife Iman study En

发表于:2019-01-13 / 阅读(45) / 评论(0) 分类 VOA标准英语2010年(一月)

Drug Reverses Alzheimer's in Lab Mice Researchers working with laboratory mice have stopped the progression of a condition found in the brain of Alzheimer's victims. They've even reversed cognitive decline. But whether the discovery can translate to

发表于:2019-01-14 / 阅读(41) / 评论(0) 分类 VOA标准英语2012年(二月)

Business schools in China have expanded rapidly since 2 decades ago.However, there's still a long way to go for domestic Business schools to compete with the likes of Wharton School of the University of Pennsylvania and UVA Darden. Both Chinese compa

发表于:2019-01-19 / 阅读(50) / 评论(0) 分类 2017CRI中国国际广播电台

By Gary Thomas Washington 21 February 2008 Pakistan's just-completed elections mark a return to civilian parliamentary government after more than eight years of one-man rule. As VOA correspondent Gary Thomas reports, a civilian government and the mil

发表于:2019-01-31 / 阅读(44) / 评论(0) 分类 VOA常速英语2008年(二月)

Themolecularapproachtodetecting peptidehormonesusingcDNAprobes shouldalsobemuchfasterthanthe (60)immunologicalmethodbecauseitcan takeyearsoftediouspurifications toisolatepeptidehormonesandthen developa

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