This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Thars gold in them thar hillsand we may have meteorites to thank. Because it appears that a rain of meteors nearly 4 billion years ago peppered the Earths

发表于:2019-01-08 / 阅读(66) / 评论(0) 分类 Scientific American(九)月

This mining school, complete with sled dogs, was set up in Seattle as a training site for potential Klondike prospectors. Lots of Americans have heard of the Klondike because of a popular ice-cream bar named after the place. It's in Canada, so we cou

发表于:2019-01-13 / 阅读(45) / 评论(0) 分类 VOA标准英语2010年(八)月

Today is Waitangi Day, a day when we remember the Treaty that was signed on Feb 6th 1840, between the Queen of England and the Maori chiefs of New Zealand. In the Treaty, Queen Victoria agreed to protect the Maori and give them the same rights as Bri

发表于:2019-01-27 / 阅读(73) / 评论(0) 分类 新西兰英语

Today is Waitangi Day. It is 170 years since the signing of the Treaty of Waitangi. This was a treaty between Queen Victoria of England and Maori chiefs in New Zealand. The Queen promised to give Maori all the rights of British citizens and to protec

发表于:2019-01-27 / 阅读(63) / 评论(0) 分类 新西兰英语

Or at least plenty of money wagered in Deadwood's gambling halls Ted Landphair | Washington, DC 03 June 2010 In the 1980s, town commissioners decided to fix up Deadwood and make it a genuine historic attraction. About one million people visit each ye

发表于:2019-02-03 / 阅读(70) / 评论(0) 分类 VOA标准英语2010年(六)月

By Jordan Davis Dakar 03 December 2006 Islamist Moderate Party supporters attend a late meeting, 17 Nov 2006 in Nouakchott Second round legislative elections are under way in Mauritania. The vote is seen as a key step in the country's return to civi

发表于:2019-02-05 / 阅读(106) / 评论(0) 分类 2006年VOA标准英语(十二月)