Are chimpanzee beds cleaner than human ones? 黑猩猩的“床”比人类的床还干净？
<p><span word="Are">Are</span> <span word="chimpanzee">chimpanzee</span> <span word="beds">beds</span> <span word="cleaner">cleaner</span> <span word="than">than</span> <span word="human">human</span> <span word="ones">ones</span>? 黑猩猩的“床”比人类的床还干净？</p><p>一项对比黑猩猩的巢和人类睡过的床的清洁度的研究结果着实让人感到意外。研究人员们说，这可能表明我们为自己创造清洁环境的努力实际可能使我们周围的环境变得“不那么理想”。</p><p> <span word="As">As</span> <span word="humans">humans</span> <span word="moved">moved</span> <span word="indoors">indoors</span> <span word="many">many</span> <span word="thousands">thousands</span> <span word="of">of</span> <span word="years">years</span> <span word="ago">ago</span>, <span word="we">we</span> <span word="became">became</span> <span word="increasingly">increasingly</span> <span word="separated">separated</span> <span word="from">from</span> <span word="the">the</span> <span word="outdoor">outdoor</span> <span word="environment">environment</span> <span word="and">and</span> <span word="all">all</span> <span word="the">the</span> <span word="organisms">organisms</span> <span word="which">which</span> <span word="live">live</span> <span word="there">there</span>. <span word="In">In</span> <span word="fact">fact</span>, <span word="nowadays">nowadays</span> <span word="more">more</span> <span word="than">than</span> <span word="a">a</span> <span word="third">third</span> <span word="of">of</span> <span word="bacteria">bacteria</span> <span word="in">in</span> <span word="our">our</span> <span word="beds">beds</span> <span word="comes">comes</span> <span word="from">from</span> <span word="our">our</span> <span word="own">own</span> <span word="bodies">bodies</span>.</p><p>几千年前，当人类搬进室内生活时，我们越来越远离户外环境及生活在那里的各类微生物。事实上，现在我们床上超过三分之一的细菌来自我们自己的身体。</p><p><span word="To">To</span> <span word="assess">assess</span> <span word="the">the</span> <span word="impact">impact</span> <span word="of">of</span> <span word="this">this</span> <span word="indoor">indoor</span> <span word="lifestyle">lifestyle</span>, <span word="scientists">scientists</span> <span word="looked">looked</span> <span word="at">at</span> <span word="another">another</span> <span word="mammal">mammal</span> <span word="which">which</span> <span word="builds">builds</span> <span word="structures">structures</span> <span word="for">for</span> <span word="sleeping">sleeping</span> <span word="in">in</span> – <span word="the">the</span> <span word="chimpanzee">chimpanzee</span> – <span word="collecting">collecting</span> <span word="samples">samples</span> <span word="from">from</span> <span word="nests">nests</span> <span word="in">in</span> <span word="the">the</span> <span word="Issa">Issa</span> <span word="Valley">Valley</span> <span word="in">in</span> <span word="Tanzania">Tanzania</span>.</p><p>为了评估室内生活方式的影响，科学家们观察了另一种会为睡眠搭窝的哺乳动物 — 黑猩猩 — 他们从坦桑尼亚伊萨谷的黑猩猩巢穴中采集了样本。</p><p><span word="The">The</span> <span word="researchers">researchers</span> <span word="found">found</span> <span word="that">that</span> <span word="they">they</span> <span word="contained">contained</span> <span word="fewer">fewer</span> <span word="faecal">faecal</span>, <span word="oral">oral</span> <span word="or">or</span> <span word="skin">skin</span> <span word="bacteria">bacteria</span> <span word="than">than</span> <span word="beds">beds</span> <span word="in">in</span> <span word="most">most</span> <span word="human">human</span> <span word="households">households</span> <span word="even">even</span> <span word="though">though</span> <span word="the">the</span> <span word="chimps">chimps</span> <span word="go">go</span> <span word="to">to</span> <span word="the">the</span> <span word="toilet">toilet</span> <span word="over">over</span> <span word="the">the</span> <span word="sides">sides</span> <span word="of">of</span> <span word="their">their</span> <span word="nests">nests</span>. <span word="Part">Part</span> <span word="of">of</span> <span word="the">the</span> <span word="reason">reason</span> <span word="is">is</span> <span word="they">they</span> <span word="move">move</span> <span word="to">to</span> <span word="a">a</span> <span word="new">new</span> <span word="nest">nest</span> <span word="every">every</span> <span word="night">night</span>.</p>
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