单词：dermal tissue system
单词：dermal tissue system 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
1.Stop Stressing So Much 1.不要总是按压你的皮肤 High levels of stress is as bad for your skin as being out in the sun without sufficient sun protection. Stress not only causes hormonal changes in both men and women, it may also affect your
趣味英语
It seems fewer and fewer of us are happy with our looks. Plastic surgery operations were up a third last year and today saw a major conference in London of the world's top cosmetic surgeons, for more full news Helene Cacace was there. Plastic surger
英伦广角
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