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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
今天我们要学的词是norm。 Norm, 意思是标准，规范。气象学家研究显示， Triple-digit summer temperatures will be the norm in a few decades in Texas, 美国德克萨斯州几十年后，夏天气温三位数字将是常规现象。
英语每日一词
今天我们要学的词是norm。 Norm, 意思是标准，规范。气象学家研究显示， Triple-digit summer temperatures will be the norm in a few decades in Texas, 美国德克萨斯州几十年后，夏天气温三位数字将是常规现象。
英语单词荟萃
In the still of the night I held you Held you tight 'Cause I love Love you so Promise i'll never Let you go In the still of the night I remember That night in May The stars were bright above I'll hope and I'll pray To keep Your precious love Well bef
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