2007年VOA标准英语-Ethanol Production Poised to Surge in US

By Brian Wagner Miami 30 March 2007 President Bush has set ambitious goals to reduce the country's dependence on oil, and increase the use of alternative fuels like ethanol. VOA's Brian Wagner reports from Miami that experts are now at work to ensure

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Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

SSS 2011-03-29

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

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Fun Fact: Alligators Can Regrow Teeth 有趣的事实：短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

英语听力文摘 English Digest 600、科学家如何预测火山喷发？

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

英语博客：Ethanol anybody?

Today's podcast is going to test your knowledge of ethanol. What is it? How is it made? And what are the advantages and disadvantages of using it? I asked myself these questions recently, when I drove past a gas station that had a sign saying 'No eth

SSS 2008-04-17

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

SSS 2009-11-13

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

Chinese Ye wins 200m medley while Liu Zige dim

Chinese Ye wins 200m medley while Liu Zige dim BEIJING, Nov. 2 (Xinhua) -- London Olympic double winner Ye Shiwen claimed the women's 200-meter individual medley gold medal at the short course Beijing World Cup here on Friday, while Beijing Olympic c

VOA标准英语2012--Hopes Dim for US Ratification of Global Maritime Treaty

Hopes Dim for US Ratification of Global Maritime Treaty Law of the Sea Convention Maritime defense, shipping, and natural resources extraction are but a few of the endeavors covered by the Law of the Sea Convention, which governs how nations use the

2007年VOA标准英语-US Government Gives Big Boost to Ethanol Indust

By Paul Sisco Washington, DC 26 January 2007 watch Ethanol Alernative report In his State of the Union address, President Bush set an ambitious goal for the United States -- to reduce oil imports from the Middle East by 75 percent. He said this can

VOA标准英语2012--Cutting Ethanol Subsidy Might Not Impact Food Prices

Cutting Ethanol Subsidy Might Not Impact Food Prices With the U.S. ethanol industry consuming about a quarter of the nations maize crop, many have blamed biofuels for rising food prices in recent years. The new year brought the end to a $6-billion su

VOA标准英语2014--Alternative Fuel Ethanol Hits a Wall 替代燃料乙醇遭遇难题/撞墙

Alternative Fuel Ethanol Hits a Wall 替代燃料乙醇遭遇难题/撞墙 When U.S. drivers fill their tanks with ethanol, they are essentially buying fermented corn grown by American farmers. A 2007 law requires gasoline makers to add increasing am

VOA标准英语2008年-Envoys Say Prospects Dim for Substantive Peace

By Lisa Schlein Geneva 05 June 2008 Special United Nations and African Union envoys on Darfur say prospects for substantive peace talks aimed at ending the crisis in Sudan's conflict ridden province of Darfur are dim. The diplomats failed to get pea

VOA常速英语2007-Corn-Derived Ethanol Shares Blame for Food Price

By Greg Flakus Houston 16 October 2007 In recent months food costs in the United States have gone up by well over six percent and some economists see government-mandated use of bio-fuels as a key reason. But, as VOA's Greg Flakus reports from Houston

2007年VOA标准英语-Bush in Brazil to Push for Ethanol Alliance

By Paula Wolfson Sao Paulo 09 March 2007 The United States and Brazil are forming an informal alliance to push the production of ethanol. VOA White House Correspondent Paula Wolfson reports from Sao Paulo, the development and promotion of biofuels ma

2007年VOA标准英语-World Looks to Ethanol to Ease Fossil Fuel Depe

By Paul Sisco Washington 07 March 2007 watch Ethanol Alternative Fuel President Bush speaks to reporters about how cellulosic ethanol can be produced from biomass such as spruce wood chips President Bush leaves this week for a five nation Latin Amer

VOA常速英语2007-Ethanol Helps Fuel US Family Farms' Future

By Jeffrey Young Washington 16 October 2007 U.S. farmers have gone through many cycles of boom and bust. But as VOA's Jeffrey Young reports, prospects for American agriculture are looking up, thanks to rising crop prices and land values, especially i

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NEW YORK, March 25 (Xinhua) -- Broadway （百老汇） in New York City of the United States will dim its lights on Friday night in memory of the iconic actress Elizabeth Taylor, who died on March 23 at the age of 79. Broadway theater marquees will

Researchers make sperm from stem cell in dish

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo