单词：urban tissue
单词：urban tissue 相关文章
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)
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
In an attempt to focus more on urban problems and ways to solve them, this year's Urban Development Confrence in Beijing has shifted its focus away from infrastructure constrcution toward proper urban development. Those at the event say this is the f
2015CRI中国国际广播电台
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
60秒科学
Keith Urban--making memories of us 新西兰出生，澳洲长大的Keith Urban有着十分抢眼的外表，除了过人的音乐才华广受各大音乐媒体推荐，他出色的外表占据了不少杂志封面，时人杂志[最性感的男人]的
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