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.
近一个世纪前，生物学家发现，如果他们在无脊椎动物胚胎生命的早期阶段将其分成两部分，它会存活下来并发育成两个正常的胚胎。
Nearly a century ago, biologists found that if they separated an invertebrate animal embryo into two parts at an early stage of its life, it would survive and develop as two normal embryos.
生物学家正在重新组合构成生命的配方，获得了一度被认为只有神才拥有的权力。
Our biologists are tinkering with the very recipes for life itself, gaining powers once attributed to gods.
水是一个是否有生命存在的关键问题，即使是以微生物的形式，火星上和地球上都曾经存在，所有已知的生命都需要水。
Water is a key to the question of whether life, even in the form of microbes, ever existed on Mars. On Earth, all known forms of life require water.
火星上存在生命的唯一可信依据将会是我们实验室里有从返回任务带回的样本中提取的微生物。
The only convincing evidence for life on Mars will be when we have a microbe in the lab from a sample return mission.
这些喷口也可能是化学物质最初转化成生物的地方，也就是生命最初存在的地方，因而其科学价值极高。
The vents may also be where chemistry first became biology-that is, where life on earth began-and thus be scientifically priceless.
他们倒是不像维克多·弗兰肯斯坦那样还要普罗米修斯之雷赋予这个生物以生命的实质。
Unlike Victor Frankenstein, though, they needed no extra spark of Promethean lightning to give the creature its living essence.
然而，这里却有着两栖的企鹅和海豹以及丰富的海洋生命—包括从被称为浮游生物的微小生物，直到迄今所知世界上最大的动物蓝鲸。
However, there are amphibious penguins and seals and a rich Marine life, ranging from the minute organisms called plankton to the biggest creature the world has ever known, the blue whale.
戴维斯指出，证明一种生物体不是“我们所知道的生命”的唯一办法就是看它是否是由其他生命形式所没有的外来元素组成的。
Davies suggested that the only way to prove an organism wasn't "life as we know it" was if it were built using exotic elements which no other form of life had.
也许你认为制造用来发现癌症的产品的这种工作环境压力一定很大，但是许多生物医学工程师相信他们在制造的东西是可以拯救生命的。
One would think developing products to detect cancer might make for a stressful environment, but many biomedical engineers embrace the fact that the tools they're creating could save a life.
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.
四月份在德克萨斯的一次太空生物学会议上，寻找外星生命的新方法同样会被探讨。
There is also an astrobiology conference in Texas in April at which new methods of detecting aliens will be discussed.
生物世界和人造物品世界之间的桥梁是彻底不均衡的永久力量——一条叫做生命的定律。
The bridge between the worlds of the born and the manufactured is the perpetual force of radical disequilibrium — a law called life.
专家们认为，这是迄今为止人类发现的寿命最长的生物，它密切关系到人类很可能在银河系的其他地方找到生命的存在。
The discovery of the oldest living beings ever found has profound implications for the likelihood of life being found elsewhere in the galaxy, the experts believe.
“这可以让我们对几千万年甚至上亿年前支配生命的生物化学现象进行研究。”他对BBC自然频道说。
"This offers insight to the [biochemistry] that governed life tens or even hundreds of millions years ago," he told BBC Nature.
他们的成就包括人造血液，一种探测砷的生物传感器，以及能够在培养皿中像“有生命的计算机”那样解开数学难题的细菌。
Their accomplishments include artificial blood, a biological sensor to detect arsenic and bacteria that can act as "living computers" to solve mathematical problems in lab dishes.
拍摄到的生物明艳而且罕见，让我渴望去探索并了解有关它们生命的信息。
The creatures I photograph are so bright and unusual that you want to explore and learn something about their lives.
这一发现表明了“与前地球生物的化学品清单和组织棚架的一些生命缺失的环节。”
The finding suggests a "missing link" between the pre-biotic Earth's chemical inventory and the organizational scaffolding essential to life.
上周的一些新闻头条：《微生物颠覆建立了数十年的科学》，《微生物使天外来客成为可能》，《湖泊细菌将是太空生命的范本》。
Last week's news generated headlines like: Microbes Upend Decades of Science,... Microbes Suggest Extraterrestrial Life Possible,... Lake Bacteria Seen as Model for Life in Space.
因为有丰富的液态水，地球支持着种类巨多的生命形态，包括可能是智能生物的海豚和人类。
With its abundance of liquid water, Earth supports a large variety of life forms, including potentially intelligent species such as dolphins and humans.
生物休的有机经组织是由空气、水和土壤中的元素构成，这些元素都带着生命的印记。
Organic tissues of living things are fashioned from the elements of air, water and soil which in turn bear the imprints of life.
生物技术公司将基因——正是生命的本原——申请了专利，科学家们则担心这将危及基础性研究的开展。
Biotechnology companies patent genes, the very stuff of life, while scientists worry that this risks compromising basic research.
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.
他们注视着五彩缤纷的结晶，试图揭开青蛙皮肤上生物碱的结构，在电脑上模拟酶的产生，探索维持生命的细胞反应。
They will gaze at colorful crystals, unravel the structures of alkaloids from frog skin, simulate the complex motion of enzymes on computers and study the cellular reactions that fuel life.
我们依然固执的坚持认为，在生物机器上会附着一个有生命的灵魂，一个精神鬼魂的观点。
We still cling stubbornly to the idea of an animating soul, a spiritual ghost in the biological machine.
我们依然固执的坚持认为，在生物机器上会附着一个有生命的灵魂，一个精神鬼魂的观点。
We still cling stubbornly to the idea of an animating soul, a spiritual ghost in the biological machine.
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