美国研究人员日前在火星上找到了一个古老湖泊的痕迹。这使人们在该红色星球上发现数十亿年前生命迹象的希望大大增强。
US researchers have uncovered traces of an ancient lake on Mars boosting hopes of discovering evidence that billions of years ago the red planet hosted life.
大分子的构象转变问题,作为人类认识生命现象的基础,是当前生命科学研究的热点问题之一。
The conformation transition of macromolecules is a very important problem, because it is the groundwork of understanding life phenomena at all levels.
这种早期前生命历史已经从地球记录里消失。
This early prebiotic history has been lost from the terrestrial record.
And we might think, look, this is one of the negative things about the human condition that we get a taste of life-- nothing more--before it's snatched away.
我们可能会想,瞧,这是关于人类处境的一个负面的内容,我们尝到了生命的滋味-,仅此而已,在它被夺走前。
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