STEVE INSKEEP, HOST: Every day, Americans send information to the cloud. That smartphone in your hand, or in the hand of the person next to you, is uploading photos and messages and all sorts of information. It's not literally in a cloud, but in a da

发表于:2018-12-02 / 阅读(81) / 评论(0) 分类 2018年NPR美国国家公共电台2月

If the human genome were put in a straight line, it would be over six and a half feet long. So how do you store all that DNA in a tiny nucleus? And have the cell manage it? Researchers explain how in a study featured on the cover of the October 9th i

发表于:2019-01-08 / 阅读(55) / 评论(0) 分类 Scientific American(十)月

SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S

发表于:2019-01-11 / 阅读(81) / 评论(0) 分类 VOA慢速英语2007年(十一)月

DEVELOPMENT REPORT - DOTS Program Helps Reduce Tuberculosis Rates in China By Jill Moss Broadcast: Monday, August 09, 2004 This is Robert Cohen with the VOA Special English Development Report. The Wor

发表于:2019-01-30 / 阅读(72) / 评论(0) 分类 农业与发展

EDUCATION REPORT - International Education Program Aims for Worldly Students By Nancy Steinbach Broadcast: Thursday, September 15, 2005 I'm Shep O'Neal with the VOA Special English Education Report. I

发表于:2019-01-30 / 阅读(72) / 评论(0) 分类 教育与新闻

Every school day, about 7,000 students drop out of school(退学) in the United Stars. That's a total of 1.2 million students each year and only about 70 percent of entering high school freshman graduate each year. The problem is especially serious i

发表于:2019-02-18 / 阅读(55) / 评论(0) 分类 英语新闻