[机] 酶复原

By Jerilyn Watson Broadcast: September 25, 2003 This is Steve Ember with the VOA Special English Education Report. More than one-million school children in the United States have gone through a progra

发表于:2019-01-02 / 阅读(53) / 评论(0) 分类 VOA2003(下)-教育与新闻

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Germanys Harald zur Hausen and Frances Luc Montagnier and Francoise Barre-Sinoussi share the 2008 Nobel Prize in Physiology or Medicine, awarded October 6th. Barre-Sin

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 Scientific American(十)月

Full recovery for two hearts girl Hannah's story: I was the first one, I didn't know what was going to happen A 16-year-old girl from Wales who made history when, as a baby, she had a donor heart grafted (接枝) onto her own has made a full recover

发表于:2019-01-11 / 阅读(56) / 评论(0) 分类 英语新闻

STOCKHOLM, Jan. 11 (Xinhua) -- Iceland appreciates(感谢) IMF's approval of the 4th review of Iceland's economic recovery program, said Arni Pall Arnason, Icelandic minister of economic affairs on Tuesday. The approval(批准) of the review

发表于:2019-01-11 / 阅读(106) / 评论(0) 分类 英语新闻

MILAN, Italy, Feb. 5 (Xinhua) -- Italy's fashion world can kickstart a recovery process this year with a flywheel effect on the recession-hit country, the chairman of the National Chamber of Italian Fashion (CNMI) Mario Boselli said on Tuesday. Bosel

发表于:2019-02-08 / 阅读(46) / 评论(0) 分类 英语新闻

An international group of scientists has engineered an enzyme which they say will be able to eat some of the most common plastic. It's being touted as a possible way to fight pollution. Improvements aimed at making the enzyme work more effectively ar

发表于:2019-02-22 / 阅读(76) / 评论(0) 分类 2018CRI中国国际广播电台