单词：Ischnocera
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Education Report - A Social Network Aims to Speed Up Progress in Science This is the VOA Special English Education Report. A few years ago, a university researcher was having problems with an experiment that involved medical imaging. His adviser and
2011年VOA慢速英语(四)月
This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan
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'Facebook' for Scientists Could Speed Advances Social networks like Facebook allow users to keep in up with their friends. Now, a social network for scientists hopes to use the technology to speed up scientific progress. As he worked on a medical ima
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Science and Technolgy. 科技。 Social networking for scientists. 科学家的社交网络。 Professor Facebook. Facebook教授。 More connective tissue may make academia more efficient. 更多联系性的方面可以让学术界更加高效。 GI
经济学人科技系列
JUDY WOODRUFF: Millions of viewers began tuning into college basketball's March Madness games today. Billions of dollars are paid for the TV rights. Last year, an average of 11 million people tuned in throughout the month. And yet one question looms
PBS访谈娱乐系列
JUDY WOODRUFF: Millions of viewers began tuning into college basketball's March Madness games today. Billions of dollars are paid for the TV rights. Last year, an average of 11 million people tuned in throughout the month. And yet one question looms
PBS访谈娱乐系列