单词：side scan
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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because
Scientific American(四)月
The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.
Scientific American(十)月
This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz
2016年Scientific American(十)月
Peter Heinlein The U.N. General Assembly has overwhelmingly approved a non-binding resolution affirming Palestinian sovereignty over the West Bank, Gaza and East Jerusalem. The United States and Israe
VOA2004（上）--巴以冲突
By Barbara Schoetzau New York 04 June 2008 The 192-member United Nations General Assembly has elected for one-year term a former Nicaraguan Foreign Minister and Catholic priest as its new president. From VOA's New York Bureau, correspondent Barbara
VOA标准英语2008年（六月）
In three dimensions, we did a project last year at TED Global with Autodesk and Arthur Olson where we looked at autonomous parts -- so individual parts not pre-connected that can come together on their own. 对于三维系统，我们去年在TEDGlob
TED演讲教育篇