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Marcus Pembrey is one of a select band of scientists, a band of scientists who are daring to challenge an orthodoxy . They believe the lives of our parents, grandparents, and even our great grandparen
基因外遗传现象
[00:06.79]Jane works at the Center for Disease Control and prevention [00:12.12]as a disease detective. [00:15.46]Listen to the tape and answer the questions. [00:19.91]The Diseases detective. [00:23.46]Jane is one of the experts at the Center for Di
人教全日制普通高中英语（必修）高二
Jackie: Welcome to BBC Learning English dot com and Insight Plus - a series first broadcast in 2001 that looks at the language of issues you hear about in the news. How far should science go to help the sick and the suffering? Today on Insight Plus,
英语讨论
Every week this summer, we'll be doing these special web shows. Today, we're talking about a story we covered toward the end of the school year: an outbreak of E. coli. That's a specific kind of bacteria. You can get it from contaminated food or wate
CNN2011年(六)月
Health Report - Children of AIDS Face Mental Health Needs 健康报道 - 艾滋病家庭儿童面临严重心理健康问题 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 Thirty years ago this week, p
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Dr. Richard Kao is part of the team that discovered a chemical compound called nucleozin thatt clumps together nucleoproteins from the flu virus, so they cannot get into a healthy cell's nucleus Researchers in Hong Kong have discovered a new way to s
VOA标准英语2010年(七)月