This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? As a bitter winter storm rages on the east coast, it's hard to knock being warm-blooded. But what about the metabolic cost of maintaining a high body-temperature? Well,

发表于:2018-12-02 / 阅读(79) / 评论(0) 分类 Scientific American(十二)月

Do you need eight glasses of water everyday? Tring to do the right thing by drinking eight full glasses of water everyday may do little more than making a person run to the bathroom, a researcher said. Newspaper articles, health and beauty magazines

发表于:2018-12-05 / 阅读(50) / 评论(0) 分类 有声杂志阅读

For a long time, conventional wisdom said that we should drink eight glasses a day. 长久以来,一般观念都认为我们每天要喝8杯水, That estimate has since been fine-tuned. 但这个数据已被重新调整过。 Now, the consensus i

发表于:2019-01-08 / 阅读(51) / 评论(0) 分类 TED演讲教育篇

By David McAlary Washington 02 February 2006 U.S. government meteorological experts say the global climate condition known as 'La Nina' has returned, heralding a realignment of weather patterns around

发表于:2019-01-18 / 阅读(93) / 评论(0) 分类 2006年VOA标准英语(二月)

VIENNA, Sept. 22 (Xinhua) -- Climate change and rising temperature in the long term can lead to water shortages in the Alps region, international experts warned Thursday at the Water-Scarce Final Conference in the Austrian eastern city Graz. The Alpi

发表于:2019-02-03 / 阅读(62) / 评论(0) 分类 英语新闻

An intelligent system that punishes jaywalkers by spraying water at them is being trialed at a crossing in the city of Daye in central China's Hubei Province, reports Beijing News. The trial system monitors traffic in real time, and squirts water at

发表于:2019-02-22 / 阅读(108) / 评论(0) 分类 2018CRI中国国际广播电台