Linus Paulingby Linda BaxterLinus Pauling was the only person who has ever won two (unshared) Nobel Prizes: for Chemistry in 1954, and a Nobel Peace Prize in 1962. He is also known as the vitamin C man. Who was Linus Pauling and what did he do?Linus

发表于:2019-01-02 / 阅读(88) / 评论(0) 分类 英文杂志-Magazine

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(63) / 评论(0) 分类 2014年VOA慢速英语(八)月

Everything happens for the best,my mother said whenever I faced disappointment. If you can carry on, one day something good will happen. And you'll realize that it wouldn't have happened if not for that previous disappointment. 每当我遇到挫折时

发表于:2019-02-09 / 阅读(39) / 评论(0) 分类 英语美文

A Lesson for Living 生活的一课 Everything happens for the best, my mother said whenever I faced disappointment. If you carry on, one day something good will happen. And you'll realize that it wouldn't have happened if not for that previous disap

发表于:2019-02-18 / 阅读(49) / 评论(0) 分类 阅读空间

The History of Chemistry Chemistry did not emerge as a science until after the scientific revolution in the seventeenth century and then only rather slowly and laboriously. But chemical knowdedge is as old as history, being almost entirely concerned

发表于:2019-02-25 / 阅读(42) / 评论(0) 分类 双语有声阅读

Everything happens for the best, my mother said whenever I faced disappointment. If you carry on, one day something good will happen. And you'll realize that it wouldn't have happened if not for that previous disappointment. 每当我遇到挫折时,

发表于:2019-03-04 / 阅读(69) / 评论(0) 分类 英语美文