This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Its called the broken windows theory and it says that in a neighborhood where buildings have broken windows, people are more likely to engage in bad beha

发表于:2018-12-24 / 阅读(88) / 评论(0) 分类 Scientific American(十一)月

ECONOMICS REPORT - Work on 'Game Theory' Wins Nobel Prize for Two Economists By Mario Ritter Broadcast: Friday, October 14, 2005 I'm Bob Doughty with the VOA Special English Economics Report. Robert A

发表于:2019-01-02 / 阅读(72) / 评论(0) 分类 健康与经济

Despite Paralysis, Hawking's Mind Soars When he turned 70 in 2012, Hawking was honored with a special exhibit at Londons Science Museum. The tribute gave visitors an inside look at the life and work of one of the world's greatest minds. We have some

发表于:2019-01-13 / 阅读(49) / 评论(0) 分类 VOA标准英语2013年(一月)

By Delia Robertson Johannesburg 03 July 2006 Over the past 10 years, South Africa has seen its major cities sprawl, their populations grow, and traffic on road and rail networks explode. Nowhere is this more evident than in the greater Johannesburg-

发表于:2019-01-31 / 阅读(73) / 评论(0) 分类 2006年VOA标准英语(七月)

Leaders 社论 Cosmology 宇宙学 Man suddenly sees the start of the universe 揭秘宇宙的起源 The quest to understand reality takes a great leap backwards 科学新突破探索宇宙诞生之初的真相 IN THE beginning was the word and the w

发表于:2019-02-17 / 阅读(40) / 评论(0) 分类 经济学人综合

我们今天一起来看看白洁最喜欢的电视剧之一!Big Bang Theory! 生活大爆炸! 我们一起来学6季17集的美语说法! 1) How'd it go? 过得怎么样?2) Body language 身势语。如果你能看出某人有什么感觉,那就

发表于:2019-03-02 / 阅读(107) / 评论(0) 分类 OMG美语