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By Jim Teeple Jerusalem 06 January 2006 Israeli Prime Minister Ariel Sharon was taken back into the operating room for the third time on Friday after doctors performed a brain scan on him. The medical
2006年VOA标准英语（一月）
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
2017年NPR美国国家公共电台3月
NOEL KING, HOST: There's growing evidence that when your blood pressure goes up, so does your risk of developing dementia, so one of the country's top brain doctors is urging people to protect their brains by controlling their blood pressure. As NPR'
2018年NPR美国国家公共电台7月
Glaucoma is the leading cause of irreversible loss of vision worldwide and now doctors believe the devastating disease begins in the brain and not in the eye as has long been thought. Dr. David Calkins, director of research at the Vanderbilt Eye Inst
VOA标准英语2010年(三月)
From VOA Learning English, this is Science In The News. Im Mario Ritter. And Im Jeri Watson. Today we tell about an experimental way to cure drug dependency in rats. We also tell about a health threat to one third of all adults. We have a report on a
英语语言学习
保持一个姿势久了，身体就会有发麻的感觉。当你改变姿势的时候，会感到非常的难受：刺痛、痉挛，然后是慢慢恢复知觉。这种发麻的滋味还真不好受。那么，为什么我们的身体会发麻呢？
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