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By Phil Mercer Sydney 23 January 2008 Scientists say stalagmites, the mineral spears that rise from the floors of some caves, could help Australia prepare for drought. Researchers at a rainfall conference in Sydney say the cave formations have accura

发表于:2019-01-13 / 阅读(30) / 评论(0) 分类 VOA标准英语2008年(一月)

U.S. Secretary of State Condoleezza Rice says that only a concerted international effort led by Zimbabwe's neighbors can end the political and humanitarian crisis in that country. On Monday, Rice reiterated her call for Zimbabwean President Robert M

发表于:2019-01-13 / 阅读(29) / 评论(0) 分类 VOA标准英语2008年(十二月)

Voting begins Thursday in India's five-phase national election. The world's largest exercise in democracy, with 714 million eligible voters, is conducted over a month-long period. A key swing state is Andhra Pradesh, in the south, which has several

发表于:2019-01-13 / 阅读(41) / 评论(0) 分类 VOA标准英语2009年(四月)

Tiny Fly May Hold Key to New Generation of Hearing Aids Ormia ochracea, a tiny yellow parasitic fly native to Central America and the southern United States, has an unusual habit. It deposits larvae onto the backs of crickets, which burrow into the i

发表于:2019-01-14 / 阅读(38) / 评论(0) 分类 VOA标准英语2014年(七月)

Ancient Papyrus Reed Could Hold Key to Water Conservation Ancient Egyptians turned papyrus into paper and provided the world with it for thousands of years. Hundreds of thousands of books in the Royal Library in Alexandria and Rome's 58 public librar

发表于:2019-01-14 / 阅读(55) / 评论(0) 分类 VOA标准英语2014年(七月)

She is expected to endorse Somalia's beleaguered transitional government amid fears the country is becoming a haven for Islamist militants. Large swathes of Somalia are out of the government's control. With the al-Shabab rebels growing in strength,

发表于:2019-02-08 / 阅读(35) / 评论(0) 分类 英语新闻