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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
Power Your Laptop by Taking a Walk Scientists at the University of Wisconsin-Madison have developed a technology that turns human motion into electricity. In this week's journal Nature Communications, they describe how to power a cell phone or other
VOA标准英语2011年(八月)
By Robert Berger Jerusalem 01 April 2007 German Chancellor Angela Merkel met Israeli and Palestinian leaders Sunday in the latest international bid to revive the Middle East peace process. Germany and Israel enjoy warm ties, but as Robert Berger repo
2007年VOA标准英语（四月）
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
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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
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