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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
New reports show that manufacturing slowed across much of the globe in August, fueling new fears of a worldwide economic downturn. One survey Thursday showed that manufacturing in the United States, the world's biggest economy, advanced slightly last
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The city of Changsha, capital of central China's Hunan Province, is considered one of the manufacturing centers of China, with four of the world's top 50 machinery manufacturing companies based in the city. The industrial development is now turning i
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Chinese manufacturing continues to expand in November
英语新闻
President Barack Obama is highlighting companies that have brought jobs back to America from overseas. The president wants to reward companies that create jobs in the United States and discourage those that move them elsewhere. Obama visited a padloc
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