Rock-Consuming Organisms Alter Views of Life Processes LOS ANGELES Kenneth Nealson can be described in many ways, including expert in microbiology and biochemistry. But that's not the one he is most proud of. People call me the 'father of Shewanella,

发表于:2018-12-08 / 阅读(62) / 评论(0) 分类 VOA标准英语2015年(一月)

ROBERT SIEGEL, HOST: Congressional forecasters say a Senate bill that aims to repeal and replace Obamacare would leave 22 million more people uninsured by 2026. That's only slightly fewer than a House version that passed last month. That forecast com

发表于:2018-12-18 / 阅读(51) / 评论(0) 分类 2017年NPR美国国家公共电台6月

Climate change may be partly to blame for the massive die-off of pine trees in the western U.S. But it works the other way, too: forest die-offs can alter the global climate. I like thinking of this as a parallel to something like El Nino. Abigail Sw

发表于:2018-12-24 / 阅读(58) / 评论(0) 分类 2016年Scientific American(十一)月

Last week, tens of thousands of gallons of sewage gushed into urban streams in Baltimore, because of leaky pipes and flooding rains. And when that happens, it's not just organic matter and microbes that get flushed into aquatic habitats. It's drug re

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 2016年Scientific American(八)月

By Doug Levine Washington 22 October 2006 Few musicians can say they've performed with some of the world's most famous blues artists, and then went on to enjoy a long and successful solo career. Walter Trout knows a thing or two about perseverance.

发表于:2019-01-09 / 阅读(101) / 评论(0) 分类 2006年VOA标准英语(十月)

By Paula Wolfson Jerusalem 10 January 2008 After talks in Jerusalem and on the West Bank, President Bush is getting ready to embark on the second half of his Middle East tour. VOA White House Correspondent Paula Wolfson reports he is heading to five

发表于:2019-01-13 / 阅读(55) / 评论(0) 分类 VOA标准英语2008年(一月)

US Football to Alter Personal Conduct Policy to Help Curb Abuse of Women WASHINGTON The U.S. National Football League says it plans to improve its personal conduct policies following the release of a video showing one of its biggest stars beating his

发表于:2019-01-14 / 阅读(57) / 评论(0) 分类 VOA标准英语2014年(九月)

SARAH MCCAMMON, HOST: The lawyer Atticus Finch in To Kill A Mockingbird is among the most famous and beloved characters in American fiction. In the novel by Harper Lee, who died in 2016, Atticus Finch defends a black man falsely accused of rape in a

发表于:2019-01-16 / 阅读(75) / 评论(0) 分类 2018年NPR美国国家公共电台3月

By Jim Malone 08 November 2006 The shock waves from Democratic Party victories in the congressional midterm elections continued to rock Washington Wednesday. President Bush announced he is replacing Defense Secretary Donald Rumsfeld as Democrats cal

发表于:2019-02-02 / 阅读(105) / 评论(0) 分类 2006年VOA标准英语(十一月)

RACHEL MARTIN, HOST: There's a new translation of the Hebrew Bible, or what Christians call the Old Testament. The three-volume set runs over 3,000 pages. It was a solo project by literary scholar Robert Alter. It took him 24 years to finish it. And

发表于:2019-03-04 / 阅读(97) / 评论(0) 分类 2019年NPR美国国家公共电台1月