我想要主修生物学，因为我一直在思考生命的起源。
I want to major in biology because I have long wondered about the origin of life.
因此，关于鸟类的起源、恐龙和早期鸟类的生物学特性等一系列未解之谜都笼罩在困惑之中。
Confusion consequently reigns over a broad spectrum of unanswered questions dealing with avian origins and the biology of dinosaurs and early birds.
改变社会和全球经济的强大新力量包括网络起源，人类和智能机器的结合，生物起源以及利用基因技术来改善自我。
Powerful new forces altering society and the global economy include cybergenesis, the merging of humans and smart machines, and biogenesis, the harnessing of genetic technologies to improve ourselves.
然而，这个7亿年历史的地层几乎不能为现代动物的起源提供任何线索，因为古生物学家认为它代表的是一个失败的进化试验。
This 700-million-year-old formation gives few clues to the origins of modern animals, however, because paleontologists believe it represents an evolutionary experiment that failed.
几十年来，古生物学家们已经知道了一群被称为蜥脚类动物的恐龙的起源和结局。
Paleontologists have known for decades about the beginnings and endings of a group of dinosaurs known as the Sauropodomorpha.
他的著作——特别是《物种起源》——成为现代生物学立脚的基石。
His books — in particular the Origin of Species — became the bedrock upon which modern biology stands.
然而，生物学中尚未解决的最深奥的问题是生命起源本身。
However, the most profound unsolved problem in biology is the origin of life itself.
天体生物学是研究宇宙生命起源，演化，分布和未来的学科。
Astrobiology is the study of the origin, evolution, distribution and future of life in the universe.
试验结果将引领生物学家深入探讨我们最关心的物种——人的起源。
Its outcome would take biologists deep into the origin of the species we care about most: ourselves.
别雷认为所有动物的再生能力是否具有相同起源这个问题，答案对于再生生物学来说是显而易见的。
Bely says figuring out whether regenerativeabilities in all animals had the same evolutionary origins is the“elephant in the room” for regeneration biology.
这是我在鳗鱼身上发现的最伟大的美丽之处：能始终向人类隐瞒其生命起源秘密的一种生物的信念。
That's the greatest beauty I find in eels: the idea of a creature whose very life beginnings can remain hidden from humans.
那么结果便是，这些区域更容易融化形成水，那也就正是原始生物形成的起源地，比如说藻类和真菌类。
As a result, these regions may have been more likely to melt, creating water bodies where primitive life-forms, such as algae and fungi, could thrive.
之后三里岛核事故，中世纪长子继承权的起源和生物进化理论都被用来清楚明白地阐明金融风险的不同方面。
The Three Mile Island nuclear disaster, the medieval origins of primogeniture and evolutionary biology are all enlisted to shed light on different aspects of financial risk.
生命可能多次起源，但研究表明诸多原始事件中唯有一件产生了今天所存在的生物体组织。
Life could have originated many times, but the study suggests that only one of those primordial events yielded the array of organisms living today.
在火山的外壳下面发现有微生物，它们可能为生命起源研究提供一些线索。
And below the crust in these volcanic parts micro-organisms have been discovered that may offer clues to the origins of life.
这项研究颠覆了认为珊瑚礁中的海洋生物起源于其它地方的传统观点。
Thestudy overturns conventional thinking that much of the sea life in coral reefs originated elsewhere.
利用某些智能跟踪——能够追踪祖先起源、捐精者编号以及点点滴滴生物信息的一种测试——父母及后代能够找到捐献者。
With someclever sleuthing—tests that can track down ancestral origins, donor numbers, and bits of biographical information—parents andoffspring can find out the donors.
但是寻找这种不能智能应对有害环境的微生物并不能告诉我们地球上或者宇宙其他地方生命的起源。
But finding microbes that are unusually clever at adapting to hostile environments tells us nothing about the origin of life on Earth — or anywhere else in the universe for that matter.
但是寻找这种不能智能应对有害环境的微生物并不能告诉我们地球上或者宇宙其他地方生命的起源。
But finding microbes that are unusually clever at adapting to hostile environments tells us nothing about the origin of life on Earth - or anywhere else in the universe for that matter.
长期存在海洋可能充满了细菌微生物，那时，也被人们认为是地球生命起源的时候。
Long lived oceans may have teemed with microbes at a time when the life is thought to have also been starting on Earth.
毫无疑问，几乎所有的多细胞生物中都发现了癌症，这暗示着癌症的起源可以追溯到数百万年前。
Sure enough, cancer is found in almost all multicellular organisms, suggesting its origins stretch back hundreds of millions of years.
生物学专家研究动植物生命的起源和构造。
Biology Specialists in biology study the origin and structure of plant and animal life.
他使用了一种其他生物学家成功应用在语言起源上的统计树形图这一方法，尽管一些语言学家对此还有些疑虑。
He has used a statistical tree-drawing method that other biologists have applied successfully to language origins, despite some linguists' skepticism.
他们认为，处于地表下的油起源于远古，并是由海洋生物形成的。
They think that the oil under the surface of the earth originated in the distant past, and was formed from living things in the sea.
研究人员现在正通过探寻外来微生物以寻找生命二次起源的证据，这些外来微生物的生化特性将不同于现有的所有已知生物。
Researchers are now seeking evidence of a second genesis by searching for exotic microbes that are biochemically different from all known organisms.
研究人员在9月28日发表的PLOS生物学上的一篇文章中称，对于病毒起源的估计可能会将嗜肝病毒的突变速度减慢1000倍。
The new estimate would slow the average rate of hepadnavirus mutation some 1, 000-fold, wrote the researchers of the new the study, published online September 28 in PLoS Biology.
研究人员在9月28日发表的PLOS生物学上的一篇文章中称，对于病毒起源的估计可能会将嗜肝病毒的突变速度减慢1000倍。
The new estimate would slow the average rate of hepadnavirus mutation some 1, 000-fold, wrote the researchers of the new the study, published online September 28 in PLoS Biology.
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