单词:protertron
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This is Scientific American's 60-Second Science. I am Adam Hamterture, got a minute? What's sixteen feet tall and 9,550 years old? Its the world's oldest tree. The worn and weathered spruce grows in Sweden's windswept tundra. But, until recently, wel
1. Two more Amish schoolgirls died overnight following a deadly shooting in their one-room schoolhouse in Pennsylvania Monday. That brings the total number of girls fatally injured in the incident to
STEVE EMBER: Im Steve Ember. BARBARA KLEIN: And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we talk about a method that helps provide low-income people with the financial services they need to improve their lives. Organizations a
By Noel King Khartoum 24 October 2006 Jan Pronk Sudan's decision to expel United Nations envoy Jan Pronk has created a rift within the government. Former southern and Darfuri rebels - now part of Sudan's unity government - say they do not agree with
By Dan Robinson Capitol Hill 15 November 2007 The longest-serving Republican speaker of the House of Representatives gave his formal farewell to Congress on Thursday. Dennis Hastert presided over the House for nearly a decade, a period that included
RIO DE JANEIRO, Jan. 25 (Xinhua) -- Former Brazil international goalkeeper Dida will miss Gremio's Copa Libertadores qualifying decider against Ecuador's Liga de Quito next Wednesday with a shoulder injury. Dida hurt his right shoulder during last We