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This is Scientific American -60 seconds science. Im Cynthia Graber. This will just take a minute. A coal mine can degrade its local environment. But fungus may inadvertently help clean up the mine with its own waste products. Researchers worked with
Scientific American(七)月
By Bill Rodgers Washington 19 May 2008 The Green Revolution is a good example of how technological advances can have a dramatic effect on economic development - in this case on food production. Other technological innovations are helping to improve a
VOA标准英语2008年（五月）
AGRICULTURE REPORT - Mushrooms By Bob Bowen Broadcast: Tuesday, May 11, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Year after year, mushrooms of every size and shape pus
农业与发展
1.The FBI has released documents saying Army scientist Bruce Ivins had custody of anthrax spores identical to those that killed five and sickened at least 17 others in 2001.The FBI also says Ivins worked unusually late lab work hours around the time
美联社新闻一分钟2008年(八)月
I've always wanted to be a cyborg. 我一直想成为一个半机械人。 One of my favorite shows as a kid was The Six Million Dollar Man, 我小时候最喜欢的电视剧之一是无敌金刚，它的造价是六百万美元。 and this is a litt
TED演讲教育篇
Caterpillar VS Plant 植物大战毛毛虫 If you have kids, youve probably read the children's book: The Very Hungry Caterpillar , see, at least five thousand times. If you havent had the pleasure, heres a brief plot summary. A caterpillar hatch es
英语听力文摘 English Digest