SSS 2009-12-24

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

Researchers Find Way to Reduce Methane from Cows

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

NPR 2010-05-18

The Supreme Court says young people under the age of 18 may not be sentenced to life in prison without possibility of parole unless they're guilty of homicide. Five of the nine justices agreed such sentences violate the constitutional ban on cruel an

托福听力短文 II-08-2

(MA) Scientists are always on the lookout for alternative sources of energy. Today we're going to discuss one that's so plentiful they say it could supply more energy than all the coal and oil in the world. It's found in something called gas hydrate

PBS高端访谈:关于韩国首尔减少粮食浪费的政策

MORI ROTHMAN: Sujin Woo and her mother, Lee Bo-ok live in an apartment in South Korea's capital of Seoul. On this Saturday morning, Lee is making Korean fried sweet potatoes for lunch. Some parts of the food, like the sweet potato peels, won't make t

60秒科学:Fog Found on Saturn's Moon Titan

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

global warming

Jackie: Welcome to BBC Learning English dot com and another chance to hear Insight Plus - a series, first broadcast in 2001 that looks at the language of issues you hear about in the news. The earth is in danger. And some say the greatest threat is

SSS 2008-07-02

This is Scientific American's 60-second Science, I am Karen Hopkin. This'll just take a minute. Methane is a greenhouse gas that traps heat even better than carbon dioxide. It comes from a variety of sources, including fossil fuel production and even

树木的困境

The trouble with trees 自人类诞生之日起，树木就一直忠实地陪伴着我们。年复一年的生息轮回中，除了年轮的增长，我们似乎很难察觉树木所经历的改变。然而，我们的这些老朋友在全球气候急剧

VOA慢速英语2012 SCIENCE IN THE NEWS - Tons Of Methane Gas Could Be Trapped Under Antarctica

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

VOA标准英语2010年-Getting Mileage Out of Manure

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

美国国家公共电台 NPR Large Methane Leaks Threaten Perception Of 'Clean' Natural Gas

SCOTT SIMON, HOST: A new study published in the journal Science finds methane emissions from U.S. oil and gas operations are 60 percent higher than previous estimates from the federal government. Now, this comes at a time when we're getting more and

TED演讲:我们为什么要排气(2)

But methane is actually odorless, too. 但是甲烷也是无味的。 Well then, what stinks? 那么，什么东西这么臭？ The foul smell is usually due to volatile sulfur compounds, such as hydrogen sulfide and methanethiol, or methyl mercaptan

TED演讲:我们为什么要排气(1)

Flatulence, or passing gas, is a normal daily phenomenon. 胀气，或者放屁，是正常的日常现象。 Most individuals, yes, that includes you, 大多数人，是的，这包括你， will make anywhere from 500-1500 milliliters of gas and ca

经济学人54:天然气是清洁能源吗?

Shale gas extraction 页岩天然气开采 The need to be seen to be clean 天然气是清洁能源吗？ Natural-gas production is booming, but its green image is in question 天然气生产蒸蒸日上，但它的清洁能源形象却受到质疑 M

21招教你步入“低碳生活”时代

我们中的每个人都应该对自己日常生活活动和选择所产生的温室气体负责。因此，防止气候变化需要地球上的每个人共同来努力。 EACH and every one of us is responsible for the greenhouse gases we emit in ou

经济学人: 搜寻火星生命 (1)

On earth, most of the methane in the atmosphere has been belched by living organisms, 在地球上，大气中的大部分甲烷都是由活着的生物体喷出的， so finding the gas on Mars would be happy news for seekers after extraterrestrial

经济学人: 搜寻火星生命 (2)

Regardless of their source, any methane molecules in Mars's atmosphere would, on the basis of experiments on Earth, be expected to hang around for centuries. 不论它从何而来，根据地球的实验，火星大气中的任何甲烷分子将有望徘

各种花样的风筝怎么说？

9月16日是墨西哥馆日，墨西哥馆五颜六色的风筝森林吸引了不少人的眼球，你知道小小的风筝里有什么大学问吗？其实风筝也有很多种分类哦，一起来看看吧。 说到kite这个单词，这也许是我们

Five Cool Ways to Turn Trash Into Treasure

When we think of waste, we dont usually think utility. Yet, as we face droughts, limited landfill space, and depleting natural resources, weve been forced to reconsider our castoffs, with interesting results. These five case studies show that with in