EXPLORATIONS - New Communications Technology By Paul Thompson Broadcast: Wednesday, February 25, 2004 (THEME) VOICE ONE: This is Faith Lapidus. VOICE TWO: A satellite telephone also pictured with its

发表于:2018-12-07 / 阅读(45) / 评论(0) 分类 Explorations

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Athletes have obviously been tempted to use performance enhancing anabolic steroids. Drug testing may discourage such use. But a new study finds that some of the perfo

发表于:2018-12-24 / 阅读(61) / 评论(0) 分类 Scientific American(九)月

Stem Cell Treatment Boosts Heart Function A stem cell treatment for patients with heart failure significantly improved their heart function in a small but promising new study. In heart failure, the heart loses its ability to efficiently pump blood. I

发表于:2019-01-13 / 阅读(30) / 评论(0) 分类 VOA标准英语2011年(十一月)

心力衰竭患者有望逐步医治 A stem cell treatment for patients experiencing heart failure significantly improved their heart function in a small but promising new study. In heart failure, the heart loses its ability to efficiently pump blood

发表于:2019-01-14 / 阅读(86) / 评论(0) 分类 VOA标准英语2016年(七月)

Antioxidants-Diabetes Connection In a study in the journal Cell Metabolism, some mice given antioxidants were more likely to become diabetic, because free radicals help muscle cells respond to insulin. Karen Hopkin reports. Youve no doubt heard of fr

发表于:2019-01-30 / 阅读(68) / 评论(0) 分类 60秒科学

What's wrong with having three parents? I'm happy with two but maybe it would have been a case of the more the merrier. The role of parents is not only to give us love and guidance, but also to pass on genetic code. A few particular healthy genes wou

发表于:2019-02-21 / 阅读(23) / 评论(0) 分类 英语听力精选进阶版