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By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The
VOA2003（下）-环境与健康
During his days of crime, Darwin Coon was a reckless young man. He robbed five banks in the Midwest and escaped from the Nevada State Penitentiary. At Alcatraz, the isolation and boredom worn Coon down. This is 127. This is where I've spent four year
国家地理2007年
MICHEL MARTIN, HOST: We have one more conversation about the prison system with a look at a new film about solitary confinement. As we just talked about, prisons are closed off from the outside world. That's just one reason the access granted to dire
2017年NPR美国国家公共电台2月
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
英语新闻
Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte
趣味英语
WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi
英语新闻