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When humans have a heart attack, heart muscles die after being cut off from their blood supply. But what if the heart could grow new muscle to replace the dead tissue? Some amphibians can regrow body parts, even entire limbs. But humans and other hig
VOA标准英语2011年(三月)
basement, ['beismənt] n 地下室，墙脚，（学校里的）公厕 【例】It is rather damp in the basement 地下室很潮湿
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Scientists Regrow Tissue Killed During Heart Attack U.S. scientists have done what was once considered science fiction - regrown heart muscle to replace tissue that was killed off in a heart attack. It's the latest advance in the field of regenerativ
VOA标准英语2012年(二月)
Researchers have identified a link between dementia and the brain damage that can occur in older people with high blood pressure and other forms of cardiovascular disease. High blood pressure, high cholesterol, and other conditions that affect blood
VOA标准英语2010年(十一)月
Beating Heart Tissue from Stem Cells In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats. Cynthia Graber reports One of the goals o
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饶舌:Bow Wow - Pole in my basement 相关介绍 ：New Jack City II 是Bow Wow第七章专辑。这位22岁的嘻哈明星已经取得了过6百万张销量的成绩。此次他重新和制作人Jermaine Dupree合作，加上家庭影院频道（HB
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