健康生活:激光矫正近视安全存疑

Optical experts in Shanghai have reassured patients that laser eye surgery, or LASIK (laser-assisted in situ keratomileusis), is the safest method to treat adult myopia, following a leading Taiwanese eye doctor said he would stop LASIK procedures aft

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SCOTT SIMON, HOST: You would expect a trip into space would change a person - their heart, their soul, but their eyeballs? For years, a north Texas doctor has been trying to find out what causes this vision change among astronauts. Her latest researc

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Now those of us that live in the West, if I can use that term, 如果生活在西方的我们中的音乐人， I think have a much more hidebound attitude or sense of music that somehow it's all about skill and systems. 我们有种迂腐守旧的对音

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如今，各式各样的电子游戏特别令孩子们着迷，不少孩子也因此而戴上了近视眼镜，这不，雪莉今天就带着视力下降的丹尼尔来检查视力了。结果怎样呢？ Listen Read Learn Clerk: Good afternoon, Ma'am. What can I do for you? Shirley: Good afternoon. My son's sight s

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D:I feel bad for male squirrel monkeys. Y:What?Why? D:Because they cant detect the colors red and greentheyre red-green colorblind. Y:Maybe,but scientists at the University of Washington used gene therapy to make squirrel monkeys produce proteins tha

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Science and Technology 科技 Psychology 心理学 How dead is dead? 怎样死才算死？ Sometimes, those who have died seem more alive than those who have not 有时，死人似乎比活人更活。 IN GENERAL, people are pretty good at differenti

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Books and Arts;Leonardo in London；Deciphering the da Vinci code； 文艺；李奥纳多在伦敦；解密达芬奇密码； A new show offers a rare opportunity to compare Leonardo da Vinci's paintings； 一个新展览为比较李奥纳多达芬奇

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Mantell prepared a paper for delivery to the Royal Society. Unfortunately it emerged that another dinosaur had been found at a quarry in Oxfordshire and had just been formally describedby the Reverend Buckland, the very man who had urged him not to w

英语关键句型72种-5

41．

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Watercolor Pendulum When I'm falling down Will you pick me up again? When I'm too far gone Dead in the eyes of my friends Will you take me out of here? When I'm staring down the barrel When I'm blinded by the lights When I can't see your face Take me

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激光矫正近视后遗症多多 Optical experts in Shanghai have reassured patients that laser eye surgery, or LASIK (laser-assisted in situ keratomileusis), is the safest method to treat adult myopia, following a leading Taiwanese eye doctor said

胡萝卜能提高视力？关于视力的15点误解

We can probably all recount at least a dozen weird and alarming things parents, teachers, and older siblings told us about our eyes when we were kids. For instance, we'd be permanently cross-eyed if we didn't stop making those faces at our brother or

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1. Minimize Television Watching 少看电视 The problem is watching television doesnt use your mental capacity or allow it to recharge. Dont you feel drained after a couple hours of TV？ Your eyes are sore and tired from being focused on the light

【英语时差8，16】绿色门

In this Moment of Science Don gives Ya?l a neat trick to play on her brain. You might want to try it, too. D: Here's a simple demonstration you can do with cool implications. Find a large object that is brightly colored--let's make it a green door. S

经济学人193:心理学 死亡的程度

Science and technology 科学技术 Psychology 心理学 How dead is dead? 死亡的程度 Sometimes, those who have died seem more alive than those who have not 有时候，已死的人比没死的人更像活人 IN GENERAL, people are pretty good a

经济学人211:怎样死才算死？

Psychology 心理学 How dead is dead? 怎样死才算死？ Sometimes, those who have died seem more alive than those who have not 有时，死人似乎比活人更活。 Aug 20th 2011 | from the print edition IN GENERAL, people are pretty good at d

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You Snooze or You Lose 几乎每个人在忙碌了一天之后，都要香香地睡上一觉。当然也有活了一辈子不 睡觉的人，但那是极个别的。人要睡觉是一种生理反应，是大脑神经活动的一部分， 是大脑皮质