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Tens of trillions of microbes call our living bodies home. But when we die? The first thing that happens is basically ecosystem collapsewhere you have a tremendous loss of diversity. Nathan Lents, a molecular biologist at John Jay College in New York
2016年Scientific American(十二)月
SHALL WE CHOOSE DEATH?我们该选择死亡吗？ I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of
世界上最伟大的演讲
A 34-year-old married man who died recently had no children. When he died, his wife was not pregnant, either. But now that he's dead, he has a chance of becoming a father. How's that possible? After a
赖世雄中级美国英语
SCIENCE IN THE NEWS - A Death in the Family May Cause Real Heart Break SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS, in VOA Special English. Im SHIRLEY Griffith. MARIO RITTER: And Im Mario Ritter. Today, we tell about an American study of heart atta
2012年VOA慢速英语(二)月
Idiom: Matter of life and death (sress something important) 生死攸关的事情，极为重要的事情 Hit the book: can't wait to do sth 等不及去做什么 brazil 巴西 rude 粗鲁的 Sweden 瑞典 Switzerland 瑞士 be supposed to 应该做
趣味青春英语
The Red Death had long devastated the country. No pestilence had ever been so fatal, or so hideous. Blood was its Avatar and its seal --the redness and the horror of blood. There were sharp pains, and sudden dizziness, and then profuse bleeding at th
英文短篇小说