13-09-21 Why don't trees bleed to death when they are injured? Researchers from Virginia Tech, the Georg-August University of Gottingen, Germany, and the Jackson Laboratory of Bar Harbor, Maine, have discovered how check valves（止回阀） in wood cells contro...

13-09-18 Each cell in an organism has a sensor that measures the health of its internal environment. This alarm is found in the endoplasmic reticulum ( ER内质网 ), which is able to sense cellular stress and trigger either rescue responses or the death of the...

13-09-12 The living will is the oldest form of advance directive. It was first proposed by an Illinois attorney, Luis Kutner, in a law journal in 1969. Kutner drew from existing estate law, by which an individual can control property affairs after death and...

13-09-05 1. 贱人真是矫情 搞笑版：bitch is so bitch。 正解：Bitch is so bitching。 解读：bitch意指贱人。后面的bitching是名词动用。当然还有很多翻法，比如在愤怒时也可直接说you,bitch,言简意赅。此外，bitch是一个有些夸张的词，也有很多替代词，比如low等。 2. 这真真...

13-09-03 Having a big belly increases the risk of death in heart attack survivors, according to research presented at ESC Congress 2013 by Professor Tabassome Simon and Professor Nicolas Danchin from France. The findings from the FAST-MI 2005 registry sugges...

13-08-14 The near-death experience reported by cardiac arrest survivors worldwide may be grounded in science, according to research at the University of Michigan Health System. Whether and how the dying brain is capable of generating conscious activity（意识...

13-08-14 精彩对白 Branson: Is that all, My Lord? Robert: It is. Off you go and good luck. Robert: He seems a bright spark after poor old Taylor. And to think Taylor's gone off to run a tea shop. I cannot feel it will make for a very restful retirement, can y...

13-07-26 精彩对白 Celine: My parents never really spoke of the possibility of my falling in love or getting married or having children. Even as a little girl, they wanted me to think as a future career as a, you know, interior designer or lawyer or something...

13-06-25 Four prisoners have been hanged in southern Nigeria, officials say, in what are believed to be the first executions for seven years. 四名囚犯在南尼日利亚被处绞刑，这是近七年以来的首次行刑。 The justice commissioner for the state of Edo, Henry Idahag...

13-06-08 In ancient times a giant was once travelling on a great highway, when suddenly an unknown man sprang up before him, and said, Halt, not one step farther! What! cried the giant, a creature whom I can crush between my fingers, wants to block my way? W...