中国科学家揭示晒太阳为何让人更聪明
<p><span word="Science">Science</span> <span word="has">has</span> <span word="already">already</span> <span word="proved">proved</span> <span word="that">that</span> <span word="sunny">sunny</span> <span word="days">days</span> <span word="can">can</span> <span word="lead">lead</span> <span word="to">to</span> <span word="sunny">sunny</span> <span word="dispositions">dispositions</span>, <span word="helping">helping</span> <span word="improve">improve</span> <span word="a">a</span> <span word="person">person</span>'<span word="s">s</span> <span word="mood">mood</span>, <span word="intelligence">intelligence</span> <span word="and">and</span> <span word="memory">memory</span> -- <span word="and">and</span> <span word="researchers">researchers</span> <span word="in">in</span> <span word="China">China</span> <span word="have">have</span> <span word="now">now</span> <span word="shed">shed</span> <span word="light">light</span> <span word="on">on</span> <span word="why">why</span>.</p><p>科学已经证明，晒太阳能让人的个性也变得阳光，有助于改善心情、激发才智，提高记忆力--我国研究人员如今揭示了其中的原理。</p><p><span word="A">A</span> <span word="team">team</span> <span word="at">at</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="Science">Science</span> <span word="and">and</span> <span word="Technology">Technology</span> <span word="of">of</span> <span word="China">China</span> <span word="in">in</span> <span word="Hefei">Hefei</span>, <span word="Anhui">Anhui</span> <span word="province">province</span>, <span word="discovered">discovered</span> <span word="that">that</span> <span word="ultraviolet">ultraviolet</span> <span word="light">light</span> -- <span word="an">an</span> <span word="element">element</span> <span word="of">of</span> <span word="sunshine">sunshine</span> -- <span word="activates">activates</span> <span word="a">a</span> <span word="change">change</span> <span word="in">in</span> <span word="the">the</span> <span word="brain">brain</span> <span word="that">that</span> <span word="can">can</span> <span word="make">make</span> <span word="us">us</span> <span word="smarter">smarter</span>.</p><p>位于安徽合肥的中国科技大学的研究团队发现，阳光中的紫外线能激活大脑中的变化，从而使人们变得更加聪明。</p><p><span word="Tests">Tests</span> <span word="on">on</span> <span word="mice">mice</span> <span word="showed">showed</span> <span word="that">that</span> <span word="moderate">moderate</span> <span word="exposure">exposure</span> <span word="to">to</span> <span word="UV">UV</span> <span word="light">light</span> <span word="enhances">enhances</span> <span word="perception">perception</span> <span word="and">and</span> <span word="learning">learning</span>, <span word="according">according</span> <span word="to">to</span> <span word="Xiong">Xiong</span> <span word="Wei">Wei</span>, <span word="a">a</span> <span word="professor">professor</span> <span word="at">at</span> <span word="the">the</span> <span word="university">university</span>'<span word="s">s</span> <span word="School">School</span> <span word="of">of</span> <span word="Life">Life</span> <span word="Sciences">Sciences</span> <span word="who">who</span> <span word="co">co</span>-<span word="led">led</span> <span word="the">the</span> <span word="study">study</span>.</p><p>据牵头这项研究的中国科学技术大学生命科学学院的熊伟教授表示，对小鼠的试验表明，适度暴露在紫外线下可以增强感知和学习能力。</p>
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