单词:detectorists
单词:detectorists 相关文章
Good evening, my fellow Americans. Tonight I want to talk to you on a subject of deep concern to all Americans and to many people in all parts of the world, the war in Vietnam. I believe that one of the reasons for the deep division about Vietnam is
Broadcast: Mar 13, 2003 Researchers are developing a blood test to look for colon cancer. The blood test is designed to detect 2) abnormalities in genes that control cell growth. These genes are passe
在TED U 2009的这个简短的演讲中,Jonathan Drori鼓励我们保护生物多样性 -- 从一颗颗种子做起。他提醒我们要保护人类赖以生存的植物,同时他也给大家描述了千年种子库这样一个美好的远景,在
By Anthony Stokes Washington, D.C. 14 July 2006 watch earthquake report U.S. geological experts are working to develop a computer model that can better detect an earthquake and warn people in advance. VOA's Anthony Stokes looks at how the early warn
By David McAlary Washington 02 May 2007 U.S. researchers have discovered a gene that promotes longer life in earthworms that eat much less than normal. Humans have similar genes, and VOA's David McAlary reports that, if they work the same way as in t
By Greg Flakus Austin, Texas 17 July 2007 The attempted bombings in London and Glasgow last month and the release of purported tapes from al-Qaida's leadership this week have raised concerns about possible new terrorist attacks. But recent events in