美研发活体细胞 为移居火星做准备
<p><span word="A">A</span> <span word="mission">mission</span> <span word="to">to</span> <span word="Mars">Mars</span> <span word="may">may</span> <span word="seem">seem</span> <span word="like">like</span> <span word="a">a</span> <span word="distant">distant</span> <span word="dream">dream</span> <span word="to">to</span> <span word="cash">cash</span>-<span word="strapped">strapped</span> <span word="Nasa">Nasa</span>, <span word="but">but</span> <span word="a">a</span> <span word="controversial">controversial</span> <span word="scientist">scientist</span> <span word="says">says</span> <span word="we">we</span> <span word="are">are</span> <span word="on">on</span> <span word="the">the</span> <span word="verge">verge</span> <span word="of">of</span> <span word="a">a</span> <span word="breakthrough">breakthrough</span> <span word="that">that</span> <span word="would">would</span> <span word="enable">enable</span> <span word="humans">humans</span> <span word="to">to</span> <span word="settle">settle</span> <span word="there">there</span>.</p><p>登陆火星的计划对于现在还囊中羞涩的美国国家航空航天局来说，似乎还是一个遥远的梦想，不过一位备受争议的科学家声称，我们即将经历一次突破性的进展，这使得人类可以定居在火星上。</p><p><span word="U">U</span>.<span word="S">S</span>. <span word="scientist">scientist</span> <span word="Craig">Craig</span> <span word="Venter">Venter</span> <span word="stunned">stunned</span> <span word="the">the</span> <span word="scientific">scientific</span> <span word="community">community</span> <span word="last">last</span> <span word="year">year</span> <span word="when">when</span> <span word="he">he</span> <span word="revealed">revealed</span> <span word="that">that</span> <span word="he">he</span> <span word="had">had</span> <span word="created">created</span> <span word="the">the</span> <span word="world">world</span>'<span word="s">s</span> <span word="first">first</span> <span word="synthetic">synthetic</span> <span word="organism">organism</span>.</p><p>美国科学家<span word="Craig">Craig</span> <span word="Venter">Venter</span>在去年的行为让学术界倍感震惊，他宣布他已经成功合成了首个拥有人造基因组的活体“生命”。</p><p><span word="Now">Now</span> <span word="his">his</span> <span word="team">team</span> <span word="are">are</span> <span word="working">working</span> <span word="on">on</span> <span word="engineering">engineering</span> <span word="the">the</span> <span word="cells">cells</span> <span word="to">to</span> <span word="grow">grow</span> <span word="by">by</span> <span word="consuming">consuming</span> <span word="carbon">carbon</span> <span word="dioxide">dioxide</span> - <span word="and">and</span> <span word="he">he</span> <span word="thinks">thinks</span> <span word="we">we</span> <span word="can">can</span> <span word="harness">harness</span> <span word="this">this</span> <span word="to">to</span> <span word="set">set</span> <span word="up">up</span> <span word="camp">camp</span> <span word="on">on</span> <span word="the">the</span> <span word="Red">Red</span> <span word="Planet">Planet</span>.</p><p>现在他的小组正在研究如何让细胞靠着消耗二氧化碳而生长，他认为如此一来我们便可以安全的在那颗红色的星球上安营扎寨了。</p><p><span word="Engineered">Engineered</span> <span word="organisms">organisms</span> <span word="would">would</span> <span word="have">have</span> <span word="huge">huge</span> <span word="implications">implications</span> <span word="for">for</span> <span word="Earth">Earth</span>, <span word="where">where</span> <span word="it">it</span> <span word="could">could</span> <span word="potentially">potentially</span> <span word="be">be</span> <span word="used">used</span> <span word="to">to</span> <span word="stem">stem</span> <span word="climate">climate</span> <span word="change">change</span> <span word="and">and</span> <span word="help">help</span> <span word="feed">feed</span> <span word="a">a</span> <span word="population">population</span> <span word="that">that</span> <span word="will">will</span> <span word="soon">soon</span> <span word="top">top</span> <span word="seven">seven</span> <span word="billion">billion</span>.</p><p>生物工程将对地球产生巨大的影响，它可以用来阻止气候变化，并且有助于解决即将达到70亿的世界人口的吃饭问题。</p>
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