如果我们真的是通过自然选择的过程进化出来的结果，那么人类生命的价值看起来是不能追溯到源头的。
If we were truly a result of evolution by process of natural selection, this value on human life seems as though it has no source.
我们正在解决的可能是我们所知的人类进化过程中缺失最大的一环。
We're dealing with probably the biggest missing link in what we know about human evolution.
为什么化石记录没有记录动物进化过程中的一系列进化变化？
Why does the fossil record not document the series of evolutionary changes during the evolution of animals?
一旦人类被看作是在进化过程中发展起来的，那么“人类是包含在他的本质中的一种物质”的观点似乎就站不住脚了。
Once man came to be seen as developing in the process of evolution, the idea of a substance which is contained in his essence seemed untenable.
如果进化一直以来都是一个持续的、渐进的过程，人们可能会认为，几乎每年的化石样本都会存在细微的差别。
If evolution had been a continuous, gradual process, one might expect that almost every fossil specimen would be slightly different from every year.
例如，彼得·谢尔登对于三叶虫的研究，那是一种已灭绝的身体分节的海洋生物，他的研究让我们得以一窥三百万年以来一个海洋环境的进化过程。
For example, Peter Sheldon' s studies of trilobites, a now extinct marine animal with a segmented body, offer a detailed glimpse into three million years of evolution in one marine environment.
在适应极端气候的过程中，比如缅因州的冬天，动物可以以各种非常有趣的方式进化。
In adapting to extreme climates, like Maine in the winter time, animals can evolve in pretty interesting ways.
像波基斯页岩这样的化石层表明进化不应该总被看作是一个缓慢的过程。
Fossil formations like the Burgess Shale show that evolution cannot always be thought of as a slow progression.
如果没有真正的无毒蛇，那些所谓的无毒蛇，比如蟒蛇和巨蟒，在它们进化过程中的某个阶段是有毒的吗？
If there are no truly non-venomous snakes, were the so-called non-venomous snakes, like constrictors and pythons, were they venomous at some point in their evolution?
研究结果为一种长期存在的假设提供了最好的证据，即单半球睡眠是在生物寻找敌人的过程中进化而来的。
The results provide the best evidence for a long standing supposition that single hemisphere sleep evolved as creatures scanned for enemies.
它们向我们展示了进化过程中半成品的样貌，而完全进化的结果是鲸鱼和儒艮。
They show us what the intermediates might have been like, on the way to extreme cases such as whales and dugongs.
在人体进化过程中，肠道内菌丛林立，常居菌种超过四百种。
During the evolution of the human body, there are over 400 resident flora in our bowels.
山羊胚胎重新反应了系统进化的过程，该过程通过前肾，中肾和后肾。
The goat embryo re-acted the process of the system evolution, which passed through pronephros, mesonephros and metanephros.
其实，正是肩部改变了人类的进化过程，如果没有它，我们可能无法想象出，我们能有现在这样的生存技能。
It turns out that the shoulder altered the course of human evolution by giving us survival skills we never could have imagined without it.
因为所有三个关键阶段——复制、改变和选择——都由大脑完成，所以这是一种新型进化过程。
This is a new evolutionary process because all of the three critical stages - copying, varying and selection - are done by those brains.
我们对于这种有限语言库的经验是如此令人鼓舞，即我们现在使语言库分析成为语言进化过程的关键部分。
Our experience with this limited corpus was so encouraging that we now make corpus analysis a key part of our language evolution process.
他补充道：“我们极力想要证实是什么把我们推上了进化之路，是什么推动了进化过程的开始？”
"We are really trying to establish what set us off on our evolutionary path," he added. "what would start the process off?"
谁愿意让自己浪漫的幻想沦为进化的过程？
Who wants to have their romantic fantasies reduced to evolutional processes?
我们不但能够理解现有的系统，同时也表明变异能够修补进化过程缺失的环节。
Not only do we have system we can understand here, but it shows us how evolution could have tinkered with variation.
我相信当前我们在技术的蓬勃发展中所见到的，是第三种进化过程的苗头。
I believe that what we are now seeing, in a vast technological explosion, is the birth of a third evolutionary process.
它们在进化- - -而且理解了人类的进化过程将会有助于知道他们自己基因的加强和它们进化的次序。
They evolved-and to understand human evolution it would help to know their genetic underpinnings and the order in which they evolved.
这种复制未必很精确，但已经足以引发一种新的进化过程。
This copying might not have been very accurate, but it was enough to start a new evolutionary process.
这种消化系统进化过程，可能已经无数次帮助过我们人类适应新的环境和新的食物。
This sort of digestive evolution has probably helped humans adapt to lots of new environments and lots of new foods.
相反，我们允许用例在整个项目的过程中得到进化。
Instead we'd allow the use cases to evolve throughout the project.
这项最新研究的作者指出，其成果可以帮助其他研究者更好地理解注视能力的进化过程。
The results should also help researchers better understand the evolution of gazing abilities overall, say the authors of the new study.
不过这项研究的意义并不只限于展示两组生命体有趣的进化过程。
But this study is more than just an interesting look into the evolution of two groups of organisms.
甚至有人提出这些分子协助了人类复杂的进化过程。
It has even been proposed that these molecules aid the evolution of complexity in humans.
同时，这些新发现行星的体积和轨道彻底改变了科学家对行星系形成和进化过程的认识。
Meanwhile, the sizes and orbits of planets already discovered are revolutionizing researchers' understanding of how planetary systems form and evolve.
与古德不同，他认为假如进化过程重演的话，许多事物将不会发生改变。
Unlike Gould, he thinks that if evolution were replayed from the beginning, a lot of things would turn out the same.
与古德不同，他认为假如进化过程重演的话，许多事物将不会发生改变。
Unlike Gould, he thinks that if evolution were replayed from the beginning, a lot of things would turn out the same.
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