Don: Time to go again to the A Moment of Science mailbag. Yal: A listener writes: Dear A Moment of Science, Scientists know that one day we'll run out of oil and other natural sources of energy. Beyond solar power and wind power and ethanol, what are

发表于:2018-12-27 / 阅读(53) / 评论(0) 分类 英语时差8,16

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. It sounds like something out of a bad science fiction novel. During World War II, a fungus called Tricoderma reesei ate its way through US military unifo

发表于:2019-01-08 / 阅读(62) / 评论(0) 分类 Scientific American(五)月

Scientists in Brazil are turning fruit fibers into car parts. At a recent meeting of the American Chemical Society, the researchers described their work in making the next generation of automotive parts made from natural fibers from bananas, pineappl

发表于:2019-01-09 / 阅读(63) / 评论(0) 分类 VOA标准英语2011年(四月)

Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou

发表于:2019-01-12 / 阅读(72) / 评论(0) 分类 2014年VOA慢速英语(九)月

Love Is Just a Thread 爱只是一根线 Sometimes I really doubt whether there is love between my parents. Every day they are very busy trying to earn money in order to pay the high tuition for my brother and me. They dont act in the romantic wa

发表于:2019-01-29 / 阅读(85) / 评论(0) 分类 阅读空间

Sometimes I really doubt whether there is love between my parents. Every day they are very busy trying to earn money in order to pay the high tuition for my brother and me. They dont act in the romantic ways that I read in books or I see on TV. In th

发表于:2019-02-17 / 阅读(109) / 评论(0) 分类 阅读空间