单词：Ischnocera
单词：Ischnocera 相关文章
Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene
创新英语
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
Scientific American(八)月
The leader of a small suburban village near Chicago made his name as a small town politician and big city prosecutor. Little did his constituents know that by the time he had entered college, nearly two decades earlier, Mark Damisch was an accomplis
VOA标准英语2008年（八月）
'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
VOA标准英语2011年(四月)
Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani
VOA标准英语2011年(四月)
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