单词:missile guidance computer
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Health nbsp; Economics The big story for Washington for 2002 is going to be the November elections. And while that’s a long way off for the rest of the country, it’s very much on politicians- mind
From NPR News in Washington, I'm Lakshmi Singh. Home prices across the US are at nine-year lows. The SP/Case-Shiller Home Price Index reveals a steep drop from February to March in 18 of the 20 big metro areas tracked. Patrick Newport, an economist w
HEALTH REPORT - Gene Therapy Used to Treat Cancer | Stem Cell Study Leads to Criticism, QuestionsBy VOA Staffs Broadcast: Wednesday, September 06, 2006 This is the VOA Special English Health Report. A
SCIENCE IN THE NEWS - U.S. Scientists Find a Way to Create Embryonic Stem Cells With Adult Skin Cells By Cynthia Kirk, Nancy Steinbach, and Caty Weaver Broadcast: Tuesday, August 30, 2005 (MUSIC) VOIC
RACHEL MARTIN, HOST: In the Philippines, the relief effort after Typhoon Haiyan is now in its second week. And as information trickles out, we have a clear picture of the scale of the devastation. But let's go back to when the storm made landfall. In