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05 关于克隆人计划的争论 DATE=2-21-01 TITLE=SCIENCE REPORT - Cloning Humans BYLINE=George Grow (start at 59

发表于:2018-12-07 / 阅读(100) / 评论(0) 分类 科技之光

By Anjana Pasricha New Delhi 22 October 2006 Children infected with tuberculosis light candles at a march to mark World Tuberculosis Day in New Delhi, March 24, 2006 The World Health Organization says there has been considerable progress in the figh

发表于:2019-01-12 / 阅读(111) / 评论(0) 分类 2006年VOA标准英语(十月)

Most rice grows in wet environments, but too much water can be disastrous for rice crops. Plant biologist Pamela Ronald helped create a type of flood-resistant rice that is being introduced to India and Bangladesh. In Davis, California, we spoke wit

发表于:2019-01-13 / 阅读(46) / 评论(0) 分类 VOA标准英语2009年(三月)

I never considered myself unique, but people are constantly telling me, you are a miracle. To me, I was just an ordinary guy with realistic goals and big dreams. I was a 19-ye ar-old student at the University of Texas and well on my way toward fulfil

发表于:2019-02-02 / 阅读(79) / 评论(0) 分类 阅读空间

HANGZHOU, July 9 (Xinhua) -- More than 400 Chinese geneticists from home and abroad have gathered in Hangzhou, capital of east China's Zhejiang Province, over the past three days to discuss genetics studies. At the first Global Conference of Chinese

发表于:2019-02-09 / 阅读(54) / 评论(0) 分类 英语新闻

RACHEL MARTIN, HOST: Even with all the VA clinics and hospitals, that $180 billion budget for the U.S. Department of Veterans Affairs, even with all those resources, the day-in-and-day-out care of disabled veterans often falls to their own family mem

发表于:2019-02-13 / 阅读(56) / 评论(0) 分类 2017年NPR美国国家公共电台4月