The northeast just had its first big snow of the season. Meanwhile, on Titan, it was foggy. That weather report brought to you by researchers publishing in the journal Astrophysical Journal Letters. The scientists found that Titan, Saturns largest mo

发表于:2018-12-02 / 阅读(52) / 评论(0) 分类 Scientific American(十二)月

Scientists in Mexico say they may have found a way to cut production of methane, a gas linked to rising temperatures on the Earths surface. The scientists say their method may help reduce the methane released by cows, one of the main producers of the

发表于:2018-12-07 / 阅读(108) / 评论(0) 分类 2017年VOA慢速英语(二)月

So let's do that. So on this bit of grassland, we'll do it, but just in the foreground. 那就做吧。我们将在这块小草地上实验这种方式。这只是一开始的样子。 We'll impact it very heavily with cattle to mimic nature, and we'

发表于:2018-12-19 / 阅读(22) / 评论(0) 分类 TED演讲教育篇

Fog Found on Saturn's Moon Titan A study in Astrophysical Journal Letters reveals that Titan may be home to the familiar atmospheric condition known as fog--but made out of methane. Karen Hopkin reports The northeast just had its first big snow of th

发表于:2019-01-02 / 阅读(51) / 评论(0) 分类 60秒科学

SCIENCE IN THE NEWS - Tons Of Methane Gas Could Be Trapped Under Antarctica BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today, we tell about methane gas thought to be tr

发表于:2019-01-12 / 阅读(50) / 评论(0) 分类 2012年VOA慢速英语(九)月

Dairy farmer, researchers look for ways to power cars with bio-gas from cattle Tom Banse | Bellingham, Washington 23 February 2010 Dairy owner Darryl Vander Haak turns cow manure into 'bio-gas' which burns like natural gas in a small electric power p

发表于:2019-01-13 / 阅读(54) / 评论(0) 分类 VOA标准英语2010年(二月)